diff options
Diffstat (limited to 'arch')
85 files changed, 1156 insertions, 1007 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 694c9af520bb..3ea332b009e5 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -36,3 +36,6 @@ config HAVE_KPROBES config HAVE_KRETPROBES def_bool n + +config HAVE_DMA_ATTRS + def_bool n diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c index 6c56c754a0b5..4b18cd94d59d 100644 --- a/arch/alpha/kernel/asm-offsets.c +++ b/arch/alpha/kernel/asm-offsets.c @@ -8,13 +8,9 @@ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/ptrace.h> +#include <linux/kbuild.h> #include <asm/io.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - void foo(void) { DEFINE(TI_TASK, offsetof(struct thread_info, task)); diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index baf57563b14c..36ab22a7ea12 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -514,8 +514,8 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn) void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 0a0d2479274b..4a881258bb17 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -16,6 +16,7 @@ #include <asm/thread_info.h> #include <asm/memory.h> #include <asm/procinfo.h> +#include <linux/kbuild.h> /* * Make sure that the compiler and target are compatible. @@ -35,13 +36,6 @@ #error Known good compilers: 3.3 #endif -/* Use marker if you need to separate the values later */ - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main(void) { DEFINE(TSK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); diff --git a/arch/arm/kernel/atags.c b/arch/arm/kernel/atags.c index e2e934c38080..64c420805e6f 100644 --- a/arch/arm/kernel/atags.c +++ b/arch/arm/kernel/atags.c @@ -35,7 +35,7 @@ create_proc_entries(void) { struct proc_dir_entry* tags_entry; - tags_entry = create_proc_read_entry("atags", 0400, &proc_root, read_buffer, &tags_buffer); + tags_entry = create_proc_read_entry("atags", 0400, NULL, read_buffer, &tags_buffer); if (!tags_entry) return -ENOMEM; diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index f56d48c451ea..a53c0aba5c14 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -37,6 +37,7 @@ #include <linux/mm.h> #include <linux/slab.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/device.h> #include <linux/init.h> #include <linux/mutex.h> @@ -723,17 +724,14 @@ unsigned int __ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed) return address; } -static int ecard_prints(char *buffer, ecard_t *ec) +static int ecard_prints(struct seq_file *m, ecard_t *ec) { - char *start = buffer; - - buffer += sprintf(buffer, " %d: %s ", ec->slot_no, - ec->easi ? "EASI" : " "); + seq_printf(m, " %d: %s ", ec->slot_no, ec->easi ? "EASI" : " "); if (ec->cid.id == 0) { struct in_chunk_dir incd; - buffer += sprintf(buffer, "[%04X:%04X] ", + seq_printf(m, "[%04X:%04X] ", ec->cid.manufacturer, ec->cid.product); if (!ec->card_desc && ec->cid.cd && @@ -744,43 +742,43 @@ static int ecard_prints(char *buffer, ecard_t *ec) strcpy((char *)ec->card_desc, incd.d.string); } - buffer += sprintf(buffer, "%s\n", ec->card_desc ? ec->card_desc : "*unknown*"); + seq_printf(m, "%s\n", ec->card_desc ? ec->card_desc : "*unknown*"); } else - buffer += sprintf(buffer, "Simple card %d\n", ec->cid.id); + seq_printf(m, "Simple card %d\n", ec->cid.id); - return buffer - start; + return 0; } -static int get_ecard_dev_info(char *buf, char **start, off_t pos, int count) +static int ecard_devices_proc_show(struct seq_file *m, void *v) { ecard_t *ec = cards; - off_t at = 0; - int len, cnt; - - cnt = 0; - while (ec && count > cnt) { - len = ecard_prints(buf, ec); - at += len; - if (at >= pos) { - if (!*start) { - *start = buf + (pos - (at - len)); - cnt = at - pos; - } else - cnt += len; - buf += len; - } + + while (ec) { + ecard_prints(m, ec); ec = ec->next; } - return (count > cnt) ? cnt : count; + return 0; } +static int ecard_devices_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ecard_devices_proc_show, NULL); +} + +static const struct file_operations bus_ecard_proc_fops = { + .owner = THIS_MODULE, + .open = ecard_devices_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static struct proc_dir_entry *proc_bus_ecard_dir = NULL; static void ecard_proc_init(void) { - proc_bus_ecard_dir = proc_mkdir("ecard", proc_bus); - create_proc_info_entry("devices", 0, proc_bus_ecard_dir, - get_ecard_dev_info); + proc_bus_ecard_dir = proc_mkdir("bus/ecard", NULL); + proc_create("devices", 0, proc_bus_ecard_dir, &bus_ecard_proc_fops); } #define ec_set_resource(ec,nr,st,sz) \ diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c index 4143828a9684..c6b94f60e0b2 100644 --- a/arch/arm/mach-davinci/clock.c +++ b/arch/arm/mach-davinci/clock.c @@ -311,11 +311,7 @@ static const struct file_operations proc_davinci_ck_operations = { static int __init davinci_ck_proc_init(void) { - struct proc_dir_entry *entry; - - entry = create_proc_entry("davinci_clocks", 0, NULL); - if (entry) - entry->proc_fops = &proc_davinci_ck_operations; + proc_create("davinci_clocks", 0, NULL, &proc_davinci_ck_operations); return 0; } diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c index 62066f3020c8..7429f8c01015 100644 --- a/arch/arm/mm/iomap.c +++ b/arch/arm/mm/iomap.c @@ -26,8 +26,8 @@ EXPORT_SYMBOL(ioport_unmap); #ifdef CONFIG_PCI void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/avr32/kernel/asm-offsets.c b/arch/avr32/kernel/asm-offsets.c index 078cd33f467b..e4796c67a831 100644 --- a/arch/avr32/kernel/asm-offsets.c +++ b/arch/avr32/kernel/asm-offsets.c @@ -5,14 +5,7 @@ */ #include <linux/thread_info.h> - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); +#include <linux/kbuild.h> void foo(void) { diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c index b835257a8fa3..cd12edbea9f2 100644 --- a/arch/avr32/mm/tlb.c +++ b/arch/avr32/mm/tlb.c @@ -369,11 +369,7 @@ static const struct file_operations proc_tlb_operations = { static int __init proctlb_init(void) { - struct proc_dir_entry *entry; - - entry = create_proc_entry("tlb", 0, NULL); - if (entry) - entry->proc_fops = &proc_tlb_operations; + proc_create("tlb", 0, NULL, &proc_tlb_operations); return 0; } late_initcall(proctlb_init); diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c index b56b2741cdea..721f15f3cebf 100644 --- a/arch/blackfin/kernel/asm-offsets.c +++ b/arch/blackfin/kernel/asm-offsets.c @@ -34,8 +34,7 @@ #include <linux/hardirq.h> #include <linux/irq.h> #include <linux/thread_info.h> - -#define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#include <linux/kbuild.h> int main(void) { diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index d1fa24401dc6..cb9d883d493c 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -212,7 +212,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, /* Set up registers for signal handler */ wrusp((unsigned long)frame); - if (get_personality & FDPIC_FUNCPTRS) { + if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor *) ka->sa.sa_handler; __get_user(regs->pc, &funcptr->text); diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c index aad0a9e5991a..44f7b4f79476 100644 --- a/arch/cris/kernel/profile.c +++ b/arch/cris/kernel/profile.c @@ -75,9 +75,9 @@ __init init_cris_profile(void) sample_buffer_pos = sample_buffer; - entry = create_proc_entry("system_profile", S_IWUSR | S_IRUGO, NULL); + entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL, + &cris_proc_profile_operations); if (entry) { - entry->proc_fops = &cris_proc_profile_operations; entry->size = SAMPLE_BUFFER_SIZE; } prof_running = 1; diff --git a/arch/frv/kernel/asm-offsets.c b/arch/frv/kernel/asm-offsets.c index fbb19fc1af40..9de96843a278 100644 --- a/arch/frv/kernel/asm-offsets.c +++ b/arch/frv/kernel/asm-offsets.c @@ -7,15 +7,13 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/personality.h> +#include <linux/kbuild.h> #include <asm/registers.h> #include <asm/ucontext.h> #include <asm/processor.h> #include <asm/thread_info.h> #include <asm/gdb-stub.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - #define DEF_PTREG(sym, reg) \ asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \ : : "i" (offsetof(struct pt_regs, reg))) @@ -32,11 +30,6 @@ asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \ : : "i" (offsetof(struct frv_frame0, reg))) -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); - void foo(void) { /* offsets into the thread_info structure */ diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index d64bcaff54cd..3bdb368292a8 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -297,7 +297,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) __frame->lr = (unsigned long) &frame->retcode; __frame->gr8 = sig; - if (get_personality & FDPIC_FUNCPTRS) { + if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; __get_user(__frame->pc, &funcptr->text); @@ -396,7 +396,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, __frame->gr8 = sig; __frame->gr9 = (unsigned long) &frame->info; - if (get_personality & FDPIC_FUNCPTRS) { + if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; __get_user(__frame->pc, &funcptr->text); diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c index a40df80b2ebd..1d2dfe67d442 100644 --- a/arch/frv/kernel/traps.c +++ b/arch/frv/kernel/traps.c @@ -362,11 +362,8 @@ asmlinkage void memory_access_exception(unsigned long esr0, #ifdef CONFIG_MMU unsigned long fixup; - if ((esr0 & ESRx_EC) == ESRx_EC_DATA_ACCESS) - if (handle_misalignment(esr0, ear0, epcr0) == 0) - return; - - if ((fixup = search_exception_table(__frame->pc)) != 0) { + fixup = search_exception_table(__frame->pc); + if (fixup) { __frame->pc = fixup; return; } diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c index 068fa04bd527..35f6df28351e 100644 --- a/arch/frv/mb93090-mb00/pci-iomap.c +++ b/arch/frv/mb93090-mb00/pci-iomap.c @@ -13,8 +13,8 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/frv/mm/unaligned.c b/arch/frv/mm/unaligned.c deleted file mode 100644 index 8f0375fc15a8..000000000000 --- a/arch/frv/mm/unaligned.c +++ /dev/null @@ -1,217 +0,0 @@ -/* unaligned.c: unalignment fixup handler for CPUs on which it is supported (FR451 only) - * - * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/sched.h> -#include <linux/signal.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/types.h> -#include <linux/user.h> -#include <linux/string.h> -#include <linux/linkage.h> -#include <linux/init.h> - -#include <asm/setup.h> -#include <asm/system.h> -#include <asm/uaccess.h> - -#if 0 -#define kdebug(fmt, ...) printk("FDPIC "fmt"\n" ,##__VA_ARGS__ ) -#else -#define kdebug(fmt, ...) do {} while(0) -#endif - -#define _MA_SIGNED 0x01 -#define _MA_HALF 0x02 -#define _MA_WORD 0x04 -#define _MA_DWORD 0x08 -#define _MA_SZ_MASK 0x0e -#define _MA_LOAD 0x10 -#define _MA_STORE 0x20 -#define _MA_UPDATE 0x40 -#define _MA_IMM 0x80 - -#define _MA_LDxU _MA_LOAD | _MA_UPDATE -#define _MA_LDxI _MA_LOAD | _MA_IMM -#define _MA_STxU _MA_STORE | _MA_UPDATE -#define _MA_STxI _MA_STORE | _MA_IMM - -static const uint8_t tbl_LDGRk_reg[0x40] = { - [0x02] = _MA_LOAD | _MA_HALF | _MA_SIGNED, /* LDSH @(GRi,GRj),GRk */ - [0x03] = _MA_LOAD | _MA_HALF, /* LDUH @(GRi,GRj),GRk */ - [0x04] = _MA_LOAD | _MA_WORD, /* LD @(GRi,GRj),GRk */ - [0x05] = _MA_LOAD | _MA_DWORD, /* LDD @(GRi,GRj),GRk */ - [0x12] = _MA_LDxU | _MA_HALF | _MA_SIGNED, /* LDSHU @(GRi,GRj),GRk */ - [0x13] = _MA_LDxU | _MA_HALF, /* LDUHU @(GRi,GRj),GRk */ - [0x14] = _MA_LDxU | _MA_WORD, /* LDU @(GRi,GRj),GRk */ - [0x15] = _MA_LDxU | _MA_DWORD, /* LDDU @(GRi,GRj),GRk */ -}; - -static const uint8_t tbl_STGRk_reg[0x40] = { - [0x01] = _MA_STORE | _MA_HALF, /* STH @(GRi,GRj),GRk */ - [0x02] = _MA_STORE | _MA_WORD, /* ST @(GRi,GRj),GRk */ - [0x03] = _MA_STORE | _MA_DWORD, /* STD @(GRi,GRj),GRk */ - [0x11] = _MA_STxU | _MA_HALF, /* STHU @(GRi,GRj),GRk */ - [0x12] = _MA_STxU | _MA_WORD, /* STU @(GRi,GRj),GRk */ - [0x13] = _MA_STxU | _MA_DWORD, /* STDU @(GRi,GRj),GRk */ -}; - -static const uint8_t tbl_LDSTGRk_imm[0x80] = { - [0x31] = _MA_LDxI | _MA_HALF | _MA_SIGNED, /* LDSHI @(GRi,d12),GRk */ - [0x32] = _MA_LDxI | _MA_WORD, /* LDI @(GRi,d12),GRk */ - [0x33] = _MA_LDxI | _MA_DWORD, /* LDDI @(GRi,d12),GRk */ - [0x36] = _MA_LDxI | _MA_HALF, /* LDUHI @(GRi,d12),GRk */ - [0x51] = _MA_STxI | _MA_HALF, /* STHI @(GRi,d12),GRk */ - [0x52] = _MA_STxI | _MA_WORD, /* STI @(GRi,d12),GRk */ - [0x53] = _MA_STxI | _MA_DWORD, /* STDI @(GRi,d12),GRk */ -}; - - -/*****************************************************************************/ -/* - * see if we can handle the exception by fixing up a misaligned memory access - */ -int handle_misalignment(unsigned long esr0, unsigned long ear0, unsigned long epcr0) -{ - unsigned long insn, addr, *greg; - int GRi, GRj, GRk, D12, op; - - union { - uint64_t _64; - uint32_t _32[2]; - uint16_t _16; - uint8_t _8[8]; - } x; - - if (!(esr0 & ESR0_EAV) || !(epcr0 & EPCR0_V) || !(ear0 & 7)) - return -EAGAIN; - - epcr0 &= EPCR0_PC; - - if (__frame->pc != epcr0) { - kdebug("MISALIGN: Execution not halted on excepting instruction\n"); - BUG(); - } - - if (__get_user(insn, (unsigned long *) epcr0) < 0) - return -EFAULT; - - /* determine the instruction type first */ - switch ((insn >> 18) & 0x7f) { - case 0x2: - /* LDx @(GRi,GRj),GRk */ - op = tbl_LDGRk_reg[(insn >> 6) & 0x3f]; - break; - - case 0x3: - /* STx GRk,@(GRi,GRj) */ - op = tbl_STGRk_reg[(insn >> 6) & 0x3f]; - break; - - default: - op = tbl_LDSTGRk_imm[(insn >> 18) & 0x7f]; - break; - } - - if (!op) - return -EAGAIN; - - kdebug("MISALIGN: pc=%08lx insn=%08lx ad=%08lx op=%02x\n", epcr0, insn, ear0, op); - - memset(&x, 0xba, 8); - - /* validate the instruction parameters */ - greg = (unsigned long *) &__frame->tbr; - - GRi = (insn >> 12) & 0x3f; - GRk = (insn >> 25) & 0x3f; - - if (GRi > 31 || GRk > 31) - return -ENOENT; - - if (op & _MA_DWORD && GRk & 1) - return -EINVAL; - - if (op & _MA_IMM) { - D12 = insn & 0xfff; - asm ("slli %0,#20,%0 ! srai %0,#20,%0" : "=r"(D12) : "0"(D12)); /* sign extend */ - addr = (GRi ? greg[GRi] : 0) + D12; - } - else { - GRj = (insn >> 0) & 0x3f; - if (GRj > 31) - return -ENOENT; - addr = (GRi ? greg[GRi] : 0) + (GRj ? greg[GRj] : 0); - } - - if (addr != ear0) { - kdebug("MISALIGN: Calculated addr (%08lx) does not match EAR0 (%08lx)\n", - addr, ear0); - return -EFAULT; - } - - /* check the address is okay */ - if (user_mode(__frame) && ___range_ok(ear0, 8) < 0) - return -EFAULT; - - /* perform the memory op */ - if (op & _MA_STORE) { - /* perform a store */ - x._32[0] = 0; - if (GRk != 0) { - if (op & _MA_HALF) { - x._16 = greg[GRk]; - } - else { - x._32[0] = greg[GRk]; - } - } - if (op & _MA_DWORD) - x._32[1] = greg[GRk + 1]; - - kdebug("MISALIGN: Store GR%d { %08x:%08x } -> %08lx (%dB)\n", - GRk, x._32[1], x._32[0], addr, op & _MA_SZ_MASK); - - if (__memcpy_user((void *) addr, &x, op & _MA_SZ_MASK) != 0) - return -EFAULT; - } - else { - /* perform a load */ - if (__memcpy_user(&x, (void *) addr, op & _MA_SZ_MASK) != 0) - return -EFAULT; - - if (op & _MA_HALF) { - if (op & _MA_SIGNED) - asm ("slli %0,#16,%0 ! srai %0,#16,%0" - : "=r"(x._32[0]) : "0"(x._16)); - else - asm ("sethi #0,%0" - : "=r"(x._32[0]) : "0"(x._16)); - } - - kdebug("MISALIGN: Load %08lx (%dB) -> GR%d, { %08x:%08x }\n", - addr, op & _MA_SZ_MASK, GRk, x._32[1], x._32[0]); - - if (GRk != 0) - greg[GRk] = x._32[0]; - if (op & _MA_DWORD) - greg[GRk + 1] = x._32[1]; - } - - /* update the base pointer if required */ - if (op & _MA_UPDATE) - greg[GRi] = addr; - - /* well... we've done that insn */ - __frame->pc = __frame->pc + 4; - - return 0; -} /* end handle_misalignment() */ diff --git a/arch/h8300/kernel/asm-offsets.c b/arch/h8300/kernel/asm-offsets.c index fc30b4fd0914..2042552e0871 100644 --- a/arch/h8300/kernel/asm-offsets.c +++ b/arch/h8300/kernel/asm-offsets.c @@ -13,15 +13,11 @@ #include <linux/kernel_stat.h> #include <linux/ptrace.h> #include <linux/hardirq.h> +#include <linux/kbuild.h> #include <asm/bootinfo.h> #include <asm/irq.h> #include <asm/ptrace.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main(void) { /* offsets into the task struct */ diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 3aa6c821449a..0df5f6f75edf 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -19,6 +19,7 @@ config IA64 select HAVE_OPROFILE select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_DMA_ATTRS select HAVE_KVM default y help @@ -47,6 +48,9 @@ config MMU config SWIOTLB bool +config IOMMU_HELPER + bool + config GENERIC_LOCKBREAK bool default y @@ -615,7 +619,7 @@ config IRQ_PER_CPU default y config IOMMU_HELPER - def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC) + def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) source "arch/ia64/hp/sim/Kconfig" diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c index 8f6bcfe1dada..1c44ec2a1d58 100644 --- a/arch/ia64/hp/common/hwsw_iommu.c +++ b/arch/ia64/hp/common/hwsw_iommu.c @@ -20,10 +20,10 @@ extern int swiotlb_late_init_with_default_size (size_t size); extern ia64_mv_dma_alloc_coherent swiotlb_alloc_coherent; extern ia64_mv_dma_free_coherent swiotlb_free_coherent; -extern ia64_mv_dma_map_single swiotlb_map_single; -extern ia64_mv_dma_unmap_single swiotlb_unmap_single; -extern ia64_mv_dma_map_sg swiotlb_map_sg; -extern ia64_mv_dma_unmap_sg swiotlb_unmap_sg; +extern ia64_mv_dma_map_single_attrs swiotlb_map_single_attrs; +extern ia64_mv_dma_unmap_single_attrs swiotlb_unmap_single_attrs; +extern ia64_mv_dma_map_sg_attrs swiotlb_map_sg_attrs; +extern ia64_mv_dma_unmap_sg_attrs swiotlb_unmap_sg_attrs; extern ia64_mv_dma_supported swiotlb_dma_supported; extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error; @@ -31,19 +31,19 @@ extern ia64_mv_dma_mapping_error swiotlb_dma_mapping_error; extern ia64_mv_dma_alloc_coherent sba_alloc_coherent; extern ia64_mv_dma_free_coherent sba_free_coherent; -extern ia64_mv_dma_map_single sba_map_single; -extern ia64_mv_dma_unmap_single sba_unmap_single; -extern ia64_mv_dma_map_sg sba_map_sg; -extern ia64_mv_dma_unmap_sg sba_unmap_sg; +extern ia64_mv_dma_map_single_attrs sba_map_single_attrs; +extern ia64_mv_dma_unmap_single_attrs sba_unmap_single_attrs; +extern ia64_mv_dma_map_sg_attrs sba_map_sg_attrs; +extern ia64_mv_dma_unmap_sg_attrs sba_unmap_sg_attrs; extern ia64_mv_dma_supported sba_dma_supported; extern ia64_mv_dma_mapping_error sba_dma_mapping_error; #define hwiommu_alloc_coherent sba_alloc_coherent #define hwiommu_free_coherent sba_free_coherent -#define hwiommu_map_single sba_map_single -#define hwiommu_unmap_single sba_unmap_single -#define hwiommu_map_sg sba_map_sg -#define hwiommu_unmap_sg sba_unmap_sg +#define hwiommu_map_single_attrs sba_map_single_attrs +#define hwiommu_unmap_single_attrs sba_unmap_single_attrs +#define hwiommu_map_sg_attrs sba_map_sg_attrs +#define hwiommu_unmap_sg_attrs sba_unmap_sg_attrs #define hwiommu_dma_supported sba_dma_supported #define hwiommu_dma_mapping_error sba_dma_mapping_error #define hwiommu_sync_single_for_cpu machvec_dma_sync_single @@ -98,41 +98,48 @@ hwsw_free_coherent (struct device *dev, size_t size, void *vaddr, dma_addr_t dma } dma_addr_t -hwsw_map_single (struct device *dev, void *addr, size_t size, int dir) +hwsw_map_single_attrs(struct device *dev, void *addr, size_t size, int dir, + struct dma_attrs *attrs) { if (use_swiotlb(dev)) - return swiotlb_map_single(dev, addr, size, dir); + return swiotlb_map_single_attrs(dev, addr, size, dir, attrs); else - return hwiommu_map_single(dev, addr, size, dir); + return hwiommu_map_single_attrs(dev, addr, size, dir, attrs); } +EXPORT_SYMBOL(hwsw_map_single_attrs); void -hwsw_unmap_single (struct device *dev, dma_addr_t iova, size_t size, int dir) +hwsw_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size, + int dir, struct dma_attrs *attrs) { if (use_swiotlb(dev)) - return swiotlb_unmap_single(dev, iova, size, dir); + return swiotlb_unmap_single_attrs(dev, iova, size, dir, attrs); else - return hwiommu_unmap_single(dev, iova, size, dir); + return hwiommu_unmap_single_attrs(dev, iova, size, dir, attrs); } - +EXPORT_SYMBOL(hwsw_unmap_single_attrs); int -hwsw_map_sg (struct device *dev, struct scatterlist *sglist, int nents, int dir) +hwsw_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents, + int dir, struct dma_attrs *attrs) { if (use_swiotlb(dev)) - return swiotlb_map_sg(dev, sglist, nents, dir); + return swiotlb_map_sg_attrs(dev, sglist, nents, dir, attrs); else - return hwiommu_map_sg(dev, sglist, nents, dir); + return hwiommu_map_sg_attrs(dev, sglist, nents, dir, attrs); } +EXPORT_SYMBOL(hwsw_map_sg_attrs); void -hwsw_unmap_sg (struct device *dev, struct scatterlist *sglist, int nents, int dir) +hwsw_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents, + int dir, struct dma_attrs *attrs) { if (use_swiotlb(dev)) - return swiotlb_unmap_sg(dev, sglist, nents, dir); + return swiotlb_unmap_sg_attrs(dev, sglist, nents, dir, attrs); else - return hwiommu_unmap_sg(dev, sglist, nents, dir); + return hwiommu_unmap_sg_attrs(dev, sglist, nents, dir, attrs); } +EXPORT_SYMBOL(hwsw_unmap_sg_attrs); void hwsw_sync_single_for_cpu (struct device *dev, dma_addr_t addr, size_t size, int dir) @@ -185,10 +192,6 @@ hwsw_dma_mapping_error (dma_addr_t dma_addr) } EXPORT_SYMBOL(hwsw_dma_mapping_error); -EXPORT_SYMBOL(hwsw_map_single); -EXPORT_SYMBOL(hwsw_unmap_single); -EXPORT_SYMBOL(hwsw_map_sg); -EXPORT_SYMBOL(hwsw_unmap_sg); EXPORT_SYMBOL(hwsw_dma_supported); EXPORT_SYMBOL(hwsw_alloc_coherent); EXPORT_SYMBOL(hwsw_free_coherent); diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index 9409de5c9441..34421aed1e2a 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -899,16 +899,18 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) } /** - * sba_map_single - map one buffer and return IOVA for DMA + * sba_map_single_attrs - map one buffer and return IOVA for DMA * @dev: instance of PCI owned by the driver that's asking. * @addr: driver buffer to map. * @size: number of bytes to map in driver buffer. * @dir: R/W or both. + * @attrs: optional dma attributes * * See Documentation/DMA-mapping.txt */ dma_addr_t -sba_map_single(struct device *dev, void *addr, size_t size, int dir) +sba_map_single_attrs(struct device *dev, void *addr, size_t size, int dir, + struct dma_attrs *attrs) { struct ioc *ioc; dma_addr_t iovp; @@ -932,7 +934,8 @@ sba_map_single(struct device *dev, void *addr, size_t size, int dir) ** Device is bit capable of DMA'ing to the buffer... ** just return the PCI address of ptr */ - DBG_BYPASS("sba_map_single() bypass mask/addr: 0x%lx/0x%lx\n", + DBG_BYPASS("sba_map_single_attrs() bypass mask/addr: " + "0x%lx/0x%lx\n", to_pci_dev(dev)->dma_mask, pci_addr); return pci_addr; } @@ -953,7 +956,7 @@ sba_map_single(struct device *dev, void *addr, size_t size, int dir) #ifdef ASSERT_PDIR_SANITY spin_lock_irqsave(&ioc->res_lock, flags); - if (sba_check_pdir(ioc,"Check before sba_map_single()")) + if (sba_check_pdir(ioc,"Check before sba_map_single_attrs()")) panic("Sanity check failed"); spin_unlock_irqrestore(&ioc->res_lock, flags); #endif @@ -982,11 +985,12 @@ sba_map_single(struct device *dev, void *addr, size_t size, int dir) /* form complete address */ #ifdef ASSERT_PDIR_SANITY spin_lock_irqsave(&ioc->res_lock, flags); - sba_check_pdir(ioc,"Check after sba_map_single()"); + sba_check_pdir(ioc,"Check after sba_map_single_attrs()"); spin_unlock_irqrestore(&ioc->res_lock, flags); #endif return SBA_IOVA(ioc, iovp, offset); } +EXPORT_SYMBOL(sba_map_single_attrs); #ifdef ENABLE_MARK_CLEAN static SBA_INLINE void @@ -1013,15 +1017,17 @@ sba_mark_clean(struct ioc *ioc, dma_addr_t iova, size_t size) #endif /** - * sba_unmap_single - unmap one IOVA and free resources + * sba_unmap_single_attrs - unmap one IOVA and free resources * @dev: instance of PCI owned by the driver that's asking. * @iova: IOVA of driver buffer previously mapped. * @size: number of bytes mapped in driver buffer. * @dir: R/W or both. + * @attrs: optional dma attributes * * See Documentation/DMA-mapping.txt */ -void sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, int dir) +void sba_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size, + int dir, struct dma_attrs *attrs) { struct ioc *ioc; #if DELAYED_RESOURCE_CNT > 0 @@ -1038,7 +1044,8 @@ void sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, int dir) /* ** Address does not fall w/in IOVA, must be bypassing */ - DBG_BYPASS("sba_unmap_single() bypass addr: 0x%lx\n", iova); + DBG_BYPASS("sba_unmap_single_atttrs() bypass addr: 0x%lx\n", + iova); #ifdef ENABLE_MARK_CLEAN if (dir == DMA_FROM_DEVICE) { @@ -1087,7 +1094,7 @@ void sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, int dir) spin_unlock_irqrestore(&ioc->res_lock, flags); #endif /* DELAYED_RESOURCE_CNT == 0 */ } - +EXPORT_SYMBOL(sba_unmap_single_attrs); /** * sba_alloc_coherent - allocate/map shared mem for DMA @@ -1144,7 +1151,8 @@ sba_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp * If device can't bypass or bypass is disabled, pass the 32bit fake * device to map single to get an iova mapping. */ - *dma_handle = sba_map_single(&ioc->sac_only_dev->dev, addr, size, 0); + *dma_handle = sba_map_single_attrs(&ioc->sac_only_dev->dev, addr, + size, 0, NULL); return addr; } @@ -1161,7 +1169,7 @@ sba_alloc_coherent (struct device *dev, size_t size, dma_addr_t *dma_handle, gfp */ void sba_free_coherent (struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle) { - sba_unmap_single(dev, dma_handle, size, 0); + sba_unmap_single_attrs(dev, dma_handle, size, 0, NULL); free_pages((unsigned long) vaddr, get_order(size)); } @@ -1410,10 +1418,12 @@ sba_coalesce_chunks(struct ioc *ioc, struct device *dev, * @sglist: array of buffer/length pairs * @nents: number of entries in list * @dir: R/W or both. + * @attrs: optional dma attributes * * See Documentation/DMA-mapping.txt */ -int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int dir) +int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents, + int dir, struct dma_attrs *attrs) { struct ioc *ioc; int coalesced, filled = 0; @@ -1441,16 +1451,16 @@ int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int di /* Fast path single entry scatterlists. */ if (nents == 1) { sglist->dma_length = sglist->length; - sglist->dma_address = sba_map_single(dev, sba_sg_address(sglist), sglist->length, dir); + sglist->dma_address = sba_map_single_attrs(dev, sba_sg_address(sglist), sglist->length, dir, attrs); return 1; } #ifdef ASSERT_PDIR_SANITY spin_lock_irqsave(&ioc->res_lock, flags); - if (sba_check_pdir(ioc,"Check before sba_map_sg()")) + if (sba_check_pdir(ioc,"Check before sba_map_sg_attrs()")) { sba_dump_sg(ioc, sglist, nents); - panic("Check before sba_map_sg()"); + panic("Check before sba_map_sg_attrs()"); } spin_unlock_irqrestore(&ioc->res_lock, flags); #endif @@ -1479,10 +1489,10 @@ int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int di #ifdef ASSERT_PDIR_SANITY spin_lock_irqsave(&ioc->res_lock, flags); - if (sba_check_pdir(ioc,"Check after sba_map_sg()")) + if (sba_check_pdir(ioc,"Check after sba_map_sg_attrs()")) { sba_dump_sg(ioc, sglist, nents); - panic("Check after sba_map_sg()\n"); + panic("Check after sba_map_sg_attrs()\n"); } spin_unlock_irqrestore(&ioc->res_lock, flags); #endif @@ -1492,18 +1502,20 @@ int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int di return filled; } - +EXPORT_SYMBOL(sba_map_sg_attrs); /** - * sba_unmap_sg - unmap Scatter/Gather list + * sba_unmap_sg_attrs - unmap Scatter/Gather list * @dev: instance of PCI owned by the driver that's asking. * @sglist: array of buffer/length pairs * @nents: number of entries in list * @dir: R/W or both. + * @attrs: optional dma attributes * * See Documentation/DMA-mapping.txt */ -void sba_unmap_sg (struct device *dev, struct scatterlist *sglist, int nents, int dir) +void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist, + int nents, int dir, struct dma_attrs *attrs) { #ifdef ASSERT_PDIR_SANITY struct ioc *ioc; @@ -1518,13 +1530,14 @@ void sba_unmap_sg (struct device *dev, struct scatterlist *sglist, int nents, in ASSERT(ioc); spin_lock_irqsave(&ioc->res_lock, flags); - sba_check_pdir(ioc,"Check before sba_unmap_sg()"); + sba_check_pdir(ioc,"Check before sba_unmap_sg_attrs()"); spin_unlock_irqrestore(&ioc->res_lock, flags); #endif while (nents && sglist->dma_length) { - sba_unmap_single(dev, sglist->dma_address, sglist->dma_length, dir); + sba_unmap_single_attrs(dev, sglist->dma_address, + sglist->dma_length, dir, attrs); sglist = sg_next(sglist); nents--; } @@ -1533,11 +1546,12 @@ void sba_unmap_sg (struct device *dev, struct scatterlist *sglist, int nents, in #ifdef ASSERT_PDIR_SANITY spin_lock_irqsave(&ioc->res_lock, flags); - sba_check_pdir(ioc,"Check after sba_unmap_sg()"); + sba_check_pdir(ioc,"Check after sba_unmap_sg_attrs()"); spin_unlock_irqrestore(&ioc->res_lock, flags); #endif } +EXPORT_SYMBOL(sba_unmap_sg_attrs); /************************************************************** * @@ -1918,15 +1932,13 @@ static const struct file_operations ioc_fops = { static void __init ioc_proc_init(void) { - struct proc_dir_entry *dir, *entry; + struct proc_dir_entry *dir; dir = proc_mkdir("bus/mckinley", NULL); if (!dir) return; - entry = create_proc_entry(ioc_list->name, 0, dir); - if (entry) - entry->proc_fops = &ioc_fops; + proc_create(ioc_list->name, 0, dir, &ioc_fops); } #endif @@ -2166,10 +2178,6 @@ sba_page_override(char *str) __setup("sbapagesize=",sba_page_override); EXPORT_SYMBOL(sba_dma_mapping_error); -EXPORT_SYMBOL(sba_map_single); -EXPORT_SYMBOL(sba_unmap_single); -EXPORT_SYMBOL(sba_map_sg); -EXPORT_SYMBOL(sba_unmap_sg); EXPORT_SYMBOL(sba_dma_supported); EXPORT_SYMBOL(sba_alloc_coherent); EXPORT_SYMBOL(sba_free_coherent); diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c index 230a6f92367f..c64a55af9b95 100644 --- a/arch/ia64/kernel/asm-offsets.c +++ b/arch/ia64/kernel/asm-offsets.c @@ -9,7 +9,7 @@ #include <linux/sched.h> #include <linux/pid.h> #include <linux/clocksource.h> - +#include <linux/kbuild.h> #include <asm-ia64/processor.h> #include <asm-ia64/ptrace.h> #include <asm-ia64/siginfo.h> @@ -19,11 +19,6 @@ #include "../kernel/sigframe.h" #include "../kernel/fsyscall_gtod_data.h" -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - void foo(void) { DEFINE(IA64_TASK_SIZE, sizeof (struct task_struct)); diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index c8e403752a0c..7fbb51e10bbe 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -6695,16 +6695,12 @@ pfm_init(void) /* * create /proc/perfmon (mostly for debugging purposes) */ - perfmon_dir = create_proc_entry("perfmon", S_IRUGO, NULL); + perfmon_dir = proc_create("perfmon", S_IRUGO, NULL, &pfm_proc_fops); if (perfmon_dir == NULL) { printk(KERN_ERR "perfmon: cannot create /proc entry, perfmon disabled\n"); pmu_conf = NULL; return -1; } - /* - * install customized file operations for /proc/perfmon entry - */ - perfmon_dir->proc_fops = &pfm_proc_fops; /* * create /proc/sys/kernel/perfmon (for debugging purposes) diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index b11bb50a197a..ecb9eb78d687 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -648,18 +648,16 @@ salinfo_init(void) if (!dir) continue; - entry = create_proc_entry("event", S_IRUSR, dir); + entry = proc_create_data("event", S_IRUSR, dir, + &salinfo_event_fops, data); if (!entry) continue; - entry->data = data; - entry->proc_fops = &salinfo_event_fops; *sdir++ = entry; - entry = create_proc_entry("data", S_IRUSR | S_IWUSR, dir); + entry = proc_create_data("data", S_IRUSR | S_IWUSR, dir, + &salinfo_data_fops, data); if (!entry) continue; - entry->data = data; - entry->proc_fops = &salinfo_data_fops; *sdir++ = entry; /* we missed any events before now */ diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index dfc6bf1c7b41..49d3120415eb 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -550,11 +550,12 @@ static int __init sn2_ptc_init(void) if (!ia64_platform_is("sn2")) return 0; - if (!(proc_sn2_ptc = create_proc_entry(PTC_BASENAME, 0444, NULL))) { + proc_sn2_ptc = proc_create(PTC_BASENAME, 0444, + NULL, &proc_sn2_ptc_operations); + if (!&proc_sn2_ptc_operations) { printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME); return -EINVAL; } - proc_sn2_ptc->proc_fops = &proc_sn2_ptc_operations; spin_lock_init(&sn2_global_ptc_lock); return 0; } diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c index 62b3e9a496ac..2526e5c783a4 100644 --- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c +++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c @@ -139,30 +139,21 @@ static const struct file_operations proc_sn_topo_fops = { void register_sn_procfs(void) { static struct proc_dir_entry *sgi_proc_dir = NULL; - struct proc_dir_entry *pde; BUG_ON(sgi_proc_dir != NULL); if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL))) return; - pde = create_proc_entry("partition_id", 0444, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_partition_id_fops; - pde = create_proc_entry("system_serial_number", 0444, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_system_sn_fops; - pde = create_proc_entry("licenseID", 0444, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_license_id_fops; - pde = create_proc_entry("sn_force_interrupt", 0644, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_sn_force_intr_fops; - pde = create_proc_entry("coherence_id", 0444, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_coherence_id_fops; - pde = create_proc_entry("sn_topology", 0444, sgi_proc_dir); - if (pde) - pde->proc_fops = &proc_sn_topo_fops; + proc_create("partition_id", 0444, sgi_proc_dir, + &proc_partition_id_fops); + proc_create("system_serial_number", 0444, sgi_proc_dir, + &proc_system_sn_fops); + proc_create("licenseID", 0444, sgi_proc_dir, &proc_license_id_fops); + proc_create("sn_force_interrupt", 0644, sgi_proc_dir, + &proc_sn_force_intr_fops); + proc_create("coherence_id", 0444, sgi_proc_dir, + &proc_coherence_id_fops); + proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops); } #endif /* CONFIG_PROC_FS */ diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index 18b94b792d54..52175af299a0 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -10,6 +10,7 @@ */ #include <linux/module.h> +#include <linux/dma-attrs.h> #include <asm/dma.h> #include <asm/sn/intr.h> #include <asm/sn/pcibus_provider_defs.h> @@ -149,11 +150,12 @@ void sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, EXPORT_SYMBOL(sn_dma_free_coherent); /** - * sn_dma_map_single - map a single page for DMA + * sn_dma_map_single_attrs - map a single page for DMA * @dev: device to map for * @cpu_addr: kernel virtual address of the region to map * @size: size of the region * @direction: DMA direction + * @attrs: optional dma attributes * * Map the region pointed to by @cpu_addr for DMA and return the * DMA address. @@ -163,42 +165,59 @@ EXPORT_SYMBOL(sn_dma_free_coherent); * no way of saving the dmamap handle from the alloc to later free * (which is pretty much unacceptable). * + * mappings with the DMA_ATTR_WRITE_BARRIER get mapped with + * dma_map_consistent() so that writes force a flush of pending DMA. + * (See "SGI Altix Architecture Considerations for Linux Device Drivers", + * Document Number: 007-4763-001) + * * TODO: simplify our interface; * figure out how to save dmamap handle so can use two step. */ -dma_addr_t sn_dma_map_single(struct device *dev, void *cpu_addr, size_t size, - int direction) +dma_addr_t sn_dma_map_single_attrs(struct device *dev, void *cpu_addr, + size_t size, int direction, + struct dma_attrs *attrs) { dma_addr_t dma_addr; unsigned long phys_addr; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); + int dmabarr; + + dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs); BUG_ON(dev->bus != &pci_bus_type); phys_addr = __pa(cpu_addr); - dma_addr = provider->dma_map(pdev, phys_addr, size, SN_DMA_ADDR_PHYS); + if (dmabarr) + dma_addr = provider->dma_map_consistent(pdev, phys_addr, + size, SN_DMA_ADDR_PHYS); + else + dma_addr = provider->dma_map(pdev, phys_addr, size, + SN_DMA_ADDR_PHYS); + if (!dma_addr) { printk(KERN_ERR "%s: out of ATEs\n", __func__); return 0; } return dma_addr; } -EXPORT_SYMBOL(sn_dma_map_single); +EXPORT_SYMBOL(sn_dma_map_single_attrs); /** - * sn_dma_unmap_single - unamp a DMA mapped page + * sn_dma_unmap_single_attrs - unamp a DMA mapped page * @dev: device to sync * @dma_addr: DMA address to sync * @size: size of region * @direction: DMA direction + * @attrs: optional dma attributes * * This routine is supposed to sync the DMA region specified * by @dma_handle into the coherence domain. On SN, we're always cache * coherent, so we just need to free any ATEs associated with this mapping. */ -void sn_dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - int direction) +void sn_dma_unmap_single_attrs(struct device *dev, dma_addr_t dma_addr, + size_t size, int direction, + struct dma_attrs *attrs) { struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); @@ -207,19 +226,21 @@ void sn_dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, provider->dma_unmap(pdev, dma_addr, direction); } -EXPORT_SYMBOL(sn_dma_unmap_single); +EXPORT_SYMBOL(sn_dma_unmap_single_attrs); /** - * sn_dma_unmap_sg - unmap a DMA scatterlist + * sn_dma_unmap_sg_attrs - unmap a DMA scatterlist * @dev: device to unmap * @sg: scatterlist to unmap * @nhwentries: number of scatterlist entries * @direction: DMA direction + * @attrs: optional dma attributes * * Unmap a set of streaming mode DMA translations. */ -void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, - int nhwentries, int direction) +void sn_dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl, + int nhwentries, int direction, + struct dma_attrs *attrs) { int i; struct pci_dev *pdev = to_pci_dev(dev); @@ -234,25 +255,34 @@ void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, sg->dma_length = 0; } } -EXPORT_SYMBOL(sn_dma_unmap_sg); +EXPORT_SYMBOL(sn_dma_unmap_sg_attrs); /** - * sn_dma_map_sg - map a scatterlist for DMA + * sn_dma_map_sg_attrs - map a scatterlist for DMA * @dev: device to map for * @sg: scatterlist to map * @nhwentries: number of entries * @direction: direction of the DMA transaction + * @attrs: optional dma attributes + * + * mappings with the DMA_ATTR_WRITE_BARRIER get mapped with + * dma_map_consistent() so that writes force a flush of pending DMA. + * (See "SGI Altix Architecture Considerations for Linux Device Drivers", + * Document Number: 007-4763-001) * * Maps each entry of @sg for DMA. */ -int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, - int direction) +int sn_dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl, + int nhwentries, int direction, struct dma_attrs *attrs) { unsigned long phys_addr; struct scatterlist *saved_sg = sgl, *sg; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); int i; + int dmabarr; + + dmabarr = dma_get_attr(DMA_ATTR_WRITE_BARRIER, attrs); BUG_ON(dev->bus != &pci_bus_type); @@ -260,11 +290,19 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, * Setup a DMA address for each entry in the scatterlist. */ for_each_sg(sgl, sg, nhwentries, i) { + dma_addr_t dma_addr; phys_addr = SG_ENT_PHYS_ADDRESS(sg); - sg->dma_address = provider->dma_map(pdev, - phys_addr, sg->length, - SN_DMA_ADDR_PHYS); + if (dmabarr) + dma_addr = provider->dma_map_consistent(pdev, + phys_addr, + sg->length, + SN_DMA_ADDR_PHYS); + else + dma_addr = provider->dma_map(pdev, phys_addr, + sg->length, + SN_DMA_ADDR_PHYS); + sg->dma_address = dma_addr; if (!sg->dma_address) { printk(KERN_ERR "%s: out of ATEs\n", __func__); @@ -272,7 +310,8 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, * Free any successfully allocated entries. */ if (i > 0) - sn_dma_unmap_sg(dev, saved_sg, i, direction); + sn_dma_unmap_sg_attrs(dev, saved_sg, i, + direction, attrs); return 0; } @@ -281,7 +320,7 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, return nhwentries; } -EXPORT_SYMBOL(sn_dma_map_sg); +EXPORT_SYMBOL(sn_dma_map_sg_attrs); void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, int direction) diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index 246a8820c223..b1f012f6c493 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -11,14 +11,12 @@ #include <linux/stddef.h> #include <linux/sched.h> #include <linux/kernel_stat.h> +#include <linux/kbuild.h> #include <asm/bootinfo.h> #include <asm/irq.h> #include <asm/amigahw.h> #include <linux/font.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - int main(void) { /* offsets into the task struct */ diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c index 5b2799eb96a6..326fb9978094 100644 --- a/arch/m68k/mac/iop.c +++ b/arch/m68k/mac/iop.c @@ -109,7 +109,6 @@ #include <linux/mm.h> #include <linux/delay.h> #include <linux/init.h> -#include <linux/proc_fs.h> #include <linux/interrupt.h> #include <asm/bootinfo.h> @@ -124,10 +123,6 @@ int iop_scc_present,iop_ism_present; -#ifdef CONFIG_PROC_FS -static int iop_get_proc_info(char *, char **, off_t, int); -#endif /* CONFIG_PROC_FS */ - /* structure for tracking channel listeners */ struct listener { @@ -299,12 +294,6 @@ void __init iop_init(void) iop_listeners[IOP_NUM_ISM][i].devname = NULL; iop_listeners[IOP_NUM_ISM][i].handler = NULL; } - -#if 0 /* Crashing in 2.4 now, not yet sure why. --jmt */ -#ifdef CONFIG_PROC_FS - create_proc_info_entry("mac_iop", 0, &proc_root, iop_get_proc_info); -#endif -#endif } /* @@ -637,77 +626,3 @@ irqreturn_t iop_ism_irq(int irq, void *dev_id) } return IRQ_HANDLED; } - -#ifdef CONFIG_PROC_FS - -char *iop_chan_state(int state) -{ - switch(state) { - case IOP_MSG_IDLE : return "idle "; - case IOP_MSG_NEW : return "new "; - case IOP_MSG_RCVD : return "received "; - case IOP_MSG_COMPLETE : return "completed "; - default : return "unknown "; - } -} - -int iop_dump_one_iop(char *buf, int iop_num, char *iop_name) -{ - int i,len = 0; - volatile struct mac_iop *iop = iop_base[iop_num]; - - len += sprintf(buf+len, "%s IOP channel states:\n\n", iop_name); - len += sprintf(buf+len, "## send_state recv_state device\n"); - len += sprintf(buf+len, "------------------------------------------------\n"); - for (i = 0 ; i < NUM_IOP_CHAN ; i++) { - len += sprintf(buf+len, "%2d %10s %10s %s\n", i, - iop_chan_state(iop_readb(iop, IOP_ADDR_SEND_STATE+i)), - iop_chan_state(iop_readb(iop, IOP_ADDR_RECV_STATE+i)), - iop_listeners[iop_num][i].handler? - iop_listeners[iop_num][i].devname : ""); - - } - len += sprintf(buf+len, "\n"); - return len; -} - -static int iop_get_proc_info(char *buf, char **start, off_t pos, int count) -{ - int len, cnt; - - cnt = 0; - len = sprintf(buf, "IOPs detected:\n\n"); - - if (iop_scc_present) { - len += sprintf(buf+len, "SCC IOP (%p): status %02X\n", - iop_base[IOP_NUM_SCC], - (uint) iop_base[IOP_NUM_SCC]->status_ctrl); - } - if (iop_ism_present) { - len += sprintf(buf+len, "ISM IOP (%p): status %02X\n\n", - iop_base[IOP_NUM_ISM], - (uint) iop_base[IOP_NUM_ISM]->status_ctrl); - } - - if (iop_scc_present) { - len += iop_dump_one_iop(buf+len, IOP_NUM_SCC, "SCC"); - - } - - if (iop_ism_present) { - len += iop_dump_one_iop(buf+len, IOP_NUM_ISM, "ISM"); - - } - - if (len >= pos) { - if (!*start) { - *start = buf + pos; - cnt = len - pos; - } else { - cnt += len; - } - } - return (count > cnt) ? cnt : count; -} - -#endif /* CONFIG_PROC_FS */ diff --git a/arch/m68knommu/kernel/asm-offsets.c b/arch/m68knommu/kernel/asm-offsets.c index d97b89bae53c..fd0c685a7f11 100644 --- a/arch/m68knommu/kernel/asm-offsets.c +++ b/arch/m68knommu/kernel/asm-offsets.c @@ -13,15 +13,11 @@ #include <linux/kernel_stat.h> #include <linux/ptrace.h> #include <linux/hardirq.h> +#include <linux/kbuild.h> #include <asm/bootinfo.h> #include <asm/irq.h> #include <asm/thread_info.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main(void) { /* offsets into the task struct */ diff --git a/arch/mips/basler/excite/excite_procfs.c b/arch/mips/basler/excite/excite_procfs.c index 9ee67a95f6b9..08923e6825b5 100644 --- a/arch/mips/basler/excite/excite_procfs.c +++ b/arch/mips/basler/excite/excite_procfs.c @@ -18,8 +18,9 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - +#include <linux/module.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/stat.h> #include <asm/page.h> #include <asm/io.h> @@ -28,14 +29,25 @@ #include <excite.h> -static int excite_get_unit_id(char *buf, char **addr, off_t offs, int size) +static int excite_unit_id_proc_show(struct seq_file *m, void *v) { - const int len = snprintf(buf, PAGE_SIZE, "%06x", unit_id); - const int w = len - offs; - *addr = buf + offs; - return w < size ? w : size; + seq_printf(m, "%06x", unit_id); + return 0; } +static int excite_unit_id_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, excite_unit_id_proc_show, NULL); +} + +static const struct file_operations excite_unit_id_proc_fops = { + .owner = THIS_MODULE, + .open = excite_unit_id_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static int excite_bootrom_read(char *page, char **start, off_t off, int count, int *eof, void *data) @@ -65,12 +77,12 @@ excite_bootrom_read(char *page, char **start, off_t off, int count, void excite_procfs_init(void) { /* Create & populate /proc/excite */ - struct proc_dir_entry * const pdir = proc_mkdir("excite", &proc_root); + struct proc_dir_entry * const pdir = proc_mkdir("excite", NULL); if (pdir) { struct proc_dir_entry * e; - e = create_proc_info_entry("unit_id", S_IRUGO, pdir, - excite_get_unit_id); + e = proc_create("unit_id", S_IRUGO, pdir, + &excite_unit_id_proc_fops); if (e) e->size = 6; e = create_proc_read_entry("bootrom", S_IRUGO, pdir, diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index 5bf03b3c4150..72942226fcdd 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -13,327 +13,285 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/interrupt.h> - +#include <linux/kbuild.h> #include <asm/ptrace.h> #include <asm/processor.h> -#define text(t) __asm__("\n->#" t) -#define _offset(type, member) (&(((type *)NULL)->member)) -#define offset(string, ptr, member) \ - __asm__("\n->" string " %0" : : "i" (_offset(ptr, member))) -#define constant(string, member) \ - __asm__("\n->" string " %0" : : "ri" (member)) -#define size(string, size) \ - __asm__("\n->" string " %0" : : "i" (sizeof(size))) -#define linefeed text("") - void output_ptreg_defines(void) { - text("MIPS pt_regs offsets."); - offset("PT_R0", struct pt_regs, regs[0]); - offset("PT_R1", struct pt_regs, regs[1]); - offset("PT_R2", struct pt_regs, regs[2]); - offset("PT_R3", struct pt_regs, regs[3]); - offset("PT_R4", struct pt_regs, regs[4]); - offset("PT_R5", struct pt_regs, regs[5]); - offset("PT_R6", struct pt_regs, regs[6]); - offset("PT_R7", struct pt_regs, regs[7]); - offset("PT_R8", struct pt_regs, regs[8]); - offset("PT_R9", struct pt_regs, regs[9]); - offset("PT_R10", struct pt_regs, regs[10]); - offset("PT_R11", struct pt_regs, regs[11]); - offset("PT_R12", struct pt_regs, regs[12]); - offset("PT_R13", struct pt_regs, regs[13]); - offset("PT_R14", struct pt_regs, regs[14]); - offset("PT_R15", struct pt_regs, regs[15]); - offset("PT_R16", struct pt_regs, regs[16]); - offset("PT_R17", struct pt_regs, regs[17]); - offset("PT_R18", struct pt_regs, regs[18]); - offset("PT_R19", struct pt_regs, regs[19]); - offset("PT_R20", struct pt_regs, regs[20]); - offset("PT_R21", struct pt_regs, regs[21]); - offset("PT_R22", struct pt_regs, regs[22]); - offset("PT_R23", struct pt_regs, regs[23]); - offset("PT_R24", struct pt_regs, regs[24]); - offset("PT_R25", struct pt_regs, regs[25]); - offset("PT_R26", struct pt_regs, regs[26]); - offset("PT_R27", struct pt_regs, regs[27]); - offset("PT_R28", struct pt_regs, regs[28]); - offset("PT_R29", struct pt_regs, regs[29]); - offset("PT_R30", struct pt_regs, regs[30]); - offset("PT_R31", struct pt_regs, regs[31]); - offset("PT_LO", struct pt_regs, lo); - offset("PT_HI", struct pt_regs, hi); + COMMENT("MIPS pt_regs offsets."); + OFFSET(PT_R0, pt_regs, regs[0]); + OFFSET(PT_R1, pt_regs, regs[1]); + OFFSET(PT_R2, pt_regs, regs[2]); + OFFSET(PT_R3, pt_regs, regs[3]); + OFFSET(PT_R4, pt_regs, regs[4]); + OFFSET(PT_R5, pt_regs, regs[5]); + OFFSET(PT_R6, pt_regs, regs[6]); + OFFSET(PT_R7, pt_regs, regs[7]); + OFFSET(PT_R8, pt_regs, regs[8]); + OFFSET(PT_R9, pt_regs, regs[9]); + OFFSET(PT_R10, pt_regs, regs[10]); + OFFSET(PT_R11, pt_regs, regs[11]); + OFFSET(PT_R12, pt_regs, regs[12]); + OFFSET(PT_R13, pt_regs, regs[13]); + OFFSET(PT_R14, pt_regs, regs[14]); + OFFSET(PT_R15, pt_regs, regs[15]); + OFFSET(PT_R16, pt_regs, regs[16]); + OFFSET(PT_R17, pt_regs, regs[17]); + OFFSET(PT_R18, pt_regs, regs[18]); + OFFSET(PT_R19, pt_regs, regs[19]); + OFFSET(PT_R20, pt_regs, regs[20]); + OFFSET(PT_R21, pt_regs, regs[21]); + OFFSET(PT_R22, pt_regs, regs[22]); + OFFSET(PT_R23, pt_regs, regs[23]); + OFFSET(PT_R24, pt_regs, regs[24]); + OFFSET(PT_R25, pt_regs, regs[25]); + OFFSET(PT_R26, pt_regs, regs[26]); + OFFSET(PT_R27, pt_regs, regs[27]); + OFFSET(PT_R28, pt_regs, regs[28]); + OFFSET(PT_R29, pt_regs, regs[29]); + OFFSET(PT_R30, pt_regs, regs[30]); + OFFSET(PT_R31, pt_regs, regs[31]); + OFFSET(PT_LO, pt_regs, lo); + OFFSET(PT_HI, pt_regs, hi); #ifdef CONFIG_CPU_HAS_SMARTMIPS - offset("PT_ACX", struct pt_regs, acx); + OFFSET(PT_ACX, pt_regs, acx); #endif - offset("PT_EPC", struct pt_regs, cp0_epc); - offset("PT_BVADDR", struct pt_regs, cp0_badvaddr); - offset("PT_STATUS", struct pt_regs, cp0_status); - offset("PT_CAUSE", struct pt_regs, cp0_cause); + OFFSET(PT_EPC, pt_regs, cp0_epc); + OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr); + OFFSET(PT_STATUS, pt_regs, cp0_status); + OFFSET(PT_CAUSE, pt_regs, cp0_cause); #ifdef CONFIG_MIPS_MT_SMTC - offset("PT_TCSTATUS", struct pt_regs, cp0_tcstatus); + OFFSET(PT_TCSTATUS, pt_regs, cp0_tcstatus); #endif /* CONFIG_MIPS_MT_SMTC */ - size("PT_SIZE", struct pt_regs); - linefeed; + DEFINE(PT_SIZE, sizeof(struct pt_regs)); + BLANK(); } void output_task_defines(void) { - text("MIPS task_struct offsets."); - offset("TASK_STATE", struct task_struct, state); - offset("TASK_THREAD_INFO", struct task_struct, stack); - offset("TASK_FLAGS", struct task_struct, flags); - offset("TASK_MM", struct task_struct, mm); - offset("TASK_PID", struct task_struct, pid); - size( "TASK_STRUCT_SIZE", struct task_struct); - linefeed; + COMMENT("MIPS task_struct offsets."); + OFFSET(TASK_STATE, task_struct, state); + OFFSET(TASK_THREAD_INFO, task_struct, stack); + OFFSET(TASK_FLAGS, task_struct, flags); + OFFSET(TASK_MM, task_struct, mm); + OFFSET(TASK_PID, task_struct, pid); + DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); + BLANK(); } void output_thread_info_defines(void) { - text("MIPS thread_info offsets."); - offset("TI_TASK", struct thread_info, task); - offset("TI_EXEC_DOMAIN", struct thread_info, exec_domain); - offset("TI_FLAGS", struct thread_info, flags); - offset("TI_TP_VALUE", struct thread_info, tp_value); - offset("TI_CPU", struct thread_info, cpu); - offset("TI_PRE_COUNT", struct thread_info, preempt_count); - offset("TI_ADDR_LIMIT", struct thread_info, addr_limit); - offset("TI_RESTART_BLOCK", struct thread_info, restart_block); - offset("TI_REGS", struct thread_info, regs); - constant("_THREAD_SIZE", THREAD_SIZE); - constant("_THREAD_MASK", THREAD_MASK); - linefeed; + COMMENT("MIPS thread_info offsets."); + OFFSET(TI_TASK, thread_info, task); + OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain); + OFFSET(TI_FLAGS, thread_info, flags); + OFFSET(TI_TP_VALUE, thread_info, tp_value); + OFFSET(TI_CPU, thread_info, cpu); + OFFSET(TI_PRE_COUNT, thread_info, preempt_count); + OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); + OFFSET(TI_RESTART_BLOCK, thread_info, restart_block); + OFFSET(TI_REGS, thread_info, regs); + DEFINE(_THREAD_SIZE, THREAD_SIZE); + DEFINE(_THREAD_MASK, THREAD_MASK); + BLANK(); } void output_thread_defines(void) { - text("MIPS specific thread_struct offsets."); - offset("THREAD_REG16", struct task_struct, thread.reg16); - offset("THREAD_REG17", struct task_struct, thread.reg17); - offset("THREAD_REG18", struct task_struct, thread.reg18); - offset("THREAD_REG19", struct task_struct, thread.reg19); - offset("THREAD_REG20", struct task_struct, thread.reg20); - offset("THREAD_REG21", struct task_struct, thread.reg21); - offset("THREAD_REG22", struct task_struct, thread.reg22); - offset("THREAD_REG23", struct task_struct, thread.reg23); - offset("THREAD_REG29", struct task_struct, thread.reg29); - offset("THREAD_REG30", struct task_struct, thread.reg30); - offset("THREAD_REG31", struct task_struct, thread.reg31); - offset("THREAD_STATUS", struct task_struct, + COMMENT("MIPS specific thread_struct offsets."); + OFFSET(THREAD_REG16, task_struct, thread.reg16); + OFFSET(THREAD_REG17, task_struct, thread.reg17); + OFFSET(THREAD_REG18, task_struct, thread.reg18); + OFFSET(THREAD_REG19, task_struct, thread.reg19); + OFFSET(THREAD_REG20, task_struct, thread.reg20); + OFFSET(THREAD_REG21, task_struct, thread.reg21); + OFFSET(THREAD_REG22, task_struct, thread.reg22); + OFFSET(THREAD_REG23, task_struct, thread.reg23); + OFFSET(THREAD_REG29, task_struct, thread.reg29); + OFFSET(THREAD_REG30, task_struct, thread.reg30); + OFFSET(THREAD_REG31, task_struct, thread.reg31); + OFFSET(THREAD_STATUS, task_struct, thread.cp0_status); - offset("THREAD_FPU", struct task_struct, thread.fpu); + OFFSET(THREAD_FPU, task_struct, thread.fpu); - offset("THREAD_BVADDR", struct task_struct, \ + OFFSET(THREAD_BVADDR, task_struct, \ thread.cp0_badvaddr); - offset("THREAD_BUADDR", struct task_struct, \ + OFFSET(THREAD_BUADDR, task_struct, \ thread.cp0_baduaddr); - offset("THREAD_ECODE", struct task_struct, \ + OFFSET(THREAD_ECODE, task_struct, \ thread.error_code); - offset("THREAD_TRAPNO", struct task_struct, thread.trap_no); - offset("THREAD_TRAMP", struct task_struct, \ + OFFSET(THREAD_TRAPNO, task_struct, thread.trap_no); + OFFSET(THREAD_TRAMP, task_struct, \ thread.irix_trampoline); - offset("THREAD_OLDCTX", struct task_struct, \ + OFFSET(THREAD_OLDCTX, task_struct, \ thread.irix_oldctx); - linefeed; + BLANK(); } void output_thread_fpu_defines(void) { - offset("THREAD_FPR0", - struct task_struct, thread.fpu.fpr[0]); - offset("THREAD_FPR1", - struct task_struct, thread.fpu.fpr[1]); - offset("THREAD_FPR2", - struct task_struct, thread.fpu.fpr[2]); - offset("THREAD_FPR3", - struct task_struct, thread.fpu.fpr[3]); - offset("THREAD_FPR4", - struct task_struct, thread.fpu.fpr[4]); - offset("THREAD_FPR5", - struct task_struct, thread.fpu.fpr[5]); - offset("THREAD_FPR6", - struct task_struct, thread.fpu.fpr[6]); - offset("THREAD_FPR7", - struct task_struct, thread.fpu.fpr[7]); - offset("THREAD_FPR8", - struct task_struct, thread.fpu.fpr[8]); - offset("THREAD_FPR9", - struct task_struct, thread.fpu.fpr[9]); - offset("THREAD_FPR10", - struct task_struct, thread.fpu.fpr[10]); - offset("THREAD_FPR11", - struct task_struct, thread.fpu.fpr[11]); - offset("THREAD_FPR12", - struct task_struct, thread.fpu.fpr[12]); - offset("THREAD_FPR13", - struct task_struct, thread.fpu.fpr[13]); - offset("THREAD_FPR14", - struct task_struct, thread.fpu.fpr[14]); - offset("THREAD_FPR15", - struct task_struct, thread.fpu.fpr[15]); - offset("THREAD_FPR16", - struct task_struct, thread.fpu.fpr[16]); - offset("THREAD_FPR17", - struct task_struct, thread.fpu.fpr[17]); - offset("THREAD_FPR18", - struct task_struct, thread.fpu.fpr[18]); - offset("THREAD_FPR19", - struct task_struct, thread.fpu.fpr[19]); - offset("THREAD_FPR20", - struct task_struct, thread.fpu.fpr[20]); - offset("THREAD_FPR21", - struct task_struct, thread.fpu.fpr[21]); - offset("THREAD_FPR22", - struct task_struct, thread.fpu.fpr[22]); - offset("THREAD_FPR23", - struct task_struct, thread.fpu.fpr[23]); - offset("THREAD_FPR24", - struct task_struct, thread.fpu.fpr[24]); - offset("THREAD_FPR25", - struct task_struct, thread.fpu.fpr[25]); - offset("THREAD_FPR26", - struct task_struct, thread.fpu.fpr[26]); - offset("THREAD_FPR27", - struct task_struct, thread.fpu.fpr[27]); - offset("THREAD_FPR28", - struct task_struct, thread.fpu.fpr[28]); - offset("THREAD_FPR29", - struct task_struct, thread.fpu.fpr[29]); - offset("THREAD_FPR30", - struct task_struct, thread.fpu.fpr[30]); - offset("THREAD_FPR31", - struct task_struct, thread.fpu.fpr[31]); + OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); + OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); + OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); + OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); + OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); + OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); + OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); + OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); + OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); + OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]); + OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]); + OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]); + OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]); + OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]); + OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]); + OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]); + OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]); + OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]); + OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]); + OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]); + OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]); + OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]); + OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]); + OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]); + OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]); + OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]); + OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]); + OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]); + OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]); + OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]); + OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]); + OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]); - offset("THREAD_FCR31", - struct task_struct, thread.fpu.fcr31); - linefeed; + OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31); + BLANK(); } void output_mm_defines(void) { - text("Size of struct page"); - size("STRUCT_PAGE_SIZE", struct page); - linefeed; - text("Linux mm_struct offsets."); - offset("MM_USERS", struct mm_struct, mm_users); - offset("MM_PGD", struct mm_struct, pgd); - offset("MM_CONTEXT", struct mm_struct, context); - linefeed; - constant("_PAGE_SIZE", PAGE_SIZE); - constant("_PAGE_SHIFT", PAGE_SHIFT); - linefeed; - constant("_PGD_T_SIZE", sizeof(pgd_t)); - constant("_PMD_T_SIZE", sizeof(pmd_t)); - constant("_PTE_T_SIZE", sizeof(pte_t)); - linefeed; - constant("_PGD_T_LOG2", PGD_T_LOG2); - constant("_PMD_T_LOG2", PMD_T_LOG2); - constant("_PTE_T_LOG2", PTE_T_LOG2); - linefeed; - constant("_PGD_ORDER", PGD_ORDER); - constant("_PMD_ORDER", PMD_ORDER); - constant("_PTE_ORDER", PTE_ORDER); - linefeed; - constant("_PMD_SHIFT", PMD_SHIFT); - constant("_PGDIR_SHIFT", PGDIR_SHIFT); - linefeed; - constant("_PTRS_PER_PGD", PTRS_PER_PGD); - constant("_PTRS_PER_PMD", PTRS_PER_PMD); - constant("_PTRS_PER_PTE", PTRS_PER_PTE); - linefeed; + COMMENT("Size of struct page"); + DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); + BLANK(); + COMMENT("Linux mm_struct offsets."); + OFFSET(MM_USERS, mm_struct, mm_users); + OFFSET(MM_PGD, mm_struct, pgd); + OFFSET(MM_CONTEXT, mm_struct, context); + BLANK(); + DEFINE(_PAGE_SIZE, PAGE_SIZE); + DEFINE(_PAGE_SHIFT, PAGE_SHIFT); + BLANK(); + DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); + DEFINE(_PMD_T_SIZE, sizeof(pmd_t)); + DEFINE(_PTE_T_SIZE, sizeof(pte_t)); + BLANK(); + DEFINE(_PGD_T_LOG2, PGD_T_LOG2); + DEFINE(_PMD_T_LOG2, PMD_T_LOG2); + DEFINE(_PTE_T_LOG2, PTE_T_LOG2); + BLANK(); + DEFINE(_PGD_ORDER, PGD_ORDER); + DEFINE(_PMD_ORDER, PMD_ORDER); + DEFINE(_PTE_ORDER, PTE_ORDER); + BLANK(); + DEFINE(_PMD_SHIFT, PMD_SHIFT); + DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); + BLANK(); + DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD); + DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD); + DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE); + BLANK(); } #ifdef CONFIG_32BIT void output_sc_defines(void) { - text("Linux sigcontext offsets."); - offset("SC_REGS", struct sigcontext, sc_regs); - offset("SC_FPREGS", struct sigcontext, sc_fpregs); - offset("SC_ACX", struct sigcontext, sc_acx); - offset("SC_MDHI", struct sigcontext, sc_mdhi); - offset("SC_MDLO", struct sigcontext, sc_mdlo); - offset("SC_PC", struct sigcontext, sc_pc); - offset("SC_FPC_CSR", struct sigcontext, sc_fpc_csr); - offset("SC_FPC_EIR", struct sigcontext, sc_fpc_eir); - offset("SC_HI1", struct sigcontext, sc_hi1); - offset("SC_LO1", struct sigcontext, sc_lo1); - offset("SC_HI2", struct sigcontext, sc_hi2); - offset("SC_LO2", struct sigcontext, sc_lo2); - offset("SC_HI3", struct sigcontext, sc_hi3); - offset("SC_LO3", struct sigcontext, sc_lo3); - linefeed; + COMMENT("Linux sigcontext offsets."); + OFFSET(SC_REGS, sigcontext, sc_regs); + OFFSET(SC_FPREGS, sigcontext, sc_fpregs); + OFFSET(SC_ACX, sigcontext, sc_acx); + OFFSET(SC_MDHI, sigcontext, sc_mdhi); + OFFSET(SC_MDLO, sigcontext, sc_mdlo); + OFFSET(SC_PC, sigcontext, sc_pc); + OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); + OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir); + OFFSET(SC_HI1, sigcontext, sc_hi1); + OFFSET(SC_LO1, sigcontext, sc_lo1); + OFFSET(SC_HI2, sigcontext, sc_hi2); + OFFSET(SC_LO2, sigcontext, sc_lo2); + OFFSET(SC_HI3, sigcontext, sc_hi3); + OFFSET(SC_LO3, sigcontext, sc_lo3); + BLANK(); } #endif #ifdef CONFIG_64BIT void output_sc_defines(void) { - text("Linux sigcontext offsets."); - offset("SC_REGS", struct sigcontext, sc_regs); - offset("SC_FPREGS", struct sigcontext, sc_fpregs); - offset("SC_MDHI", struct sigcontext, sc_mdhi); - offset("SC_MDLO", struct sigcontext, sc_mdlo); - offset("SC_PC", struct sigcontext, sc_pc); - offset("SC_FPC_CSR", struct sigcontext, sc_fpc_csr); - linefeed; + COMMENT("Linux sigcontext offsets."); + OFFSET(SC_REGS, sigcontext, sc_regs); + OFFSET(SC_FPREGS, sigcontext, sc_fpregs); + OFFSET(SC_MDHI, sigcontext, sc_mdhi); + OFFSET(SC_MDLO, sigcontext, sc_mdlo); + OFFSET(SC_PC, sigcontext, sc_pc); + OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); + BLANK(); } #endif #ifdef CONFIG_MIPS32_COMPAT void output_sc32_defines(void) { - text("Linux 32-bit sigcontext offsets."); - offset("SC32_FPREGS", struct sigcontext32, sc_fpregs); - offset("SC32_FPC_CSR", struct sigcontext32, sc_fpc_csr); - offset("SC32_FPC_EIR", struct sigcontext32, sc_fpc_eir); - linefeed; + COMMENT("Linux 32-bit sigcontext offsets."); + OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs); + OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr); + OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir); + BLANK(); } #endif void output_signal_defined(void) { - text("Linux signal numbers."); - constant("_SIGHUP", SIGHUP); - constant("_SIGINT", SIGINT); - constant("_SIGQUIT", SIGQUIT); - constant("_SIGILL", SIGILL); - constant("_SIGTRAP", SIGTRAP); - constant("_SIGIOT", SIGIOT); - constant("_SIGABRT", SIGABRT); - constant("_SIGEMT", SIGEMT); - constant("_SIGFPE", SIGFPE); - constant("_SIGKILL", SIGKILL); - constant("_SIGBUS", SIGBUS); - constant("_SIGSEGV", SIGSEGV); - constant("_SIGSYS", SIGSYS); - constant("_SIGPIPE", SIGPIPE); - constant("_SIGALRM", SIGALRM); - constant("_SIGTERM", SIGTERM); - constant("_SIGUSR1", SIGUSR1); - constant("_SIGUSR2", SIGUSR2); - constant("_SIGCHLD", SIGCHLD); - constant("_SIGPWR", SIGPWR); - constant("_SIGWINCH", SIGWINCH); - constant("_SIGURG", SIGURG); - constant("_SIGIO", SIGIO); - constant("_SIGSTOP", SIGSTOP); - constant("_SIGTSTP", SIGTSTP); - constant("_SIGCONT", SIGCONT); - constant("_SIGTTIN", SIGTTIN); - constant("_SIGTTOU", SIGTTOU); - constant("_SIGVTALRM", SIGVTALRM); - constant("_SIGPROF", SIGPROF); - constant("_SIGXCPU", SIGXCPU); - constant("_SIGXFSZ", SIGXFSZ); - linefeed; + COMMENT("Linux signal numbers."); + DEFINE(_SIGHUP, SIGHUP); + DEFINE(_SIGINT, SIGINT); + DEFINE(_SIGQUIT, SIGQUIT); + DEFINE(_SIGILL, SIGILL); + DEFINE(_SIGTRAP, SIGTRAP); + DEFINE(_SIGIOT, SIGIOT); + DEFINE(_SIGABRT, SIGABRT); + DEFINE(_SIGEMT, SIGEMT); + DEFINE(_SIGFPE, SIGFPE); + DEFINE(_SIGKILL, SIGKILL); + DEFINE(_SIGBUS, SIGBUS); + DEFINE(_SIGSEGV, SIGSEGV); + DEFINE(_SIGSYS, SIGSYS); + DEFINE(_SIGPIPE, SIGPIPE); + DEFINE(_SIGALRM, SIGALRM); + DEFINE(_SIGTERM, SIGTERM); + DEFINE(_SIGUSR1, SIGUSR1); + DEFINE(_SIGUSR2, SIGUSR2); + DEFINE(_SIGCHLD, SIGCHLD); + DEFINE(_SIGPWR, SIGPWR); + DEFINE(_SIGWINCH, SIGWINCH); + DEFINE(_SIGURG, SIGURG); + DEFINE(_SIGIO, SIGIO); + DEFINE(_SIGSTOP, SIGSTOP); + DEFINE(_SIGTSTP, SIGTSTP); + DEFINE(_SIGCONT, SIGCONT); + DEFINE(_SIGTTIN, SIGTTIN); + DEFINE(_SIGTTOU, SIGTTOU); + DEFINE(_SIGVTALRM, SIGVTALRM); + DEFINE(_SIGPROF, SIGPROF); + DEFINE(_SIGXCPU, SIGXCPU); + DEFINE(_SIGXFSZ, SIGXFSZ); + BLANK(); } void output_irq_cpustat_t_defines(void) { - text("Linux irq_cpustat_t offsets."); - offset("IC_SOFTIRQ_PENDING", irq_cpustat_t, __softirq_pending); - size("IC_IRQ_CPUSTAT_T", irq_cpustat_t); - linefeed; + COMMENT("Linux irq_cpustat_t offsets."); + DEFINE(IC_SOFTIRQ_PENDING, + offsetof(irq_cpustat_t, __softirq_pending)); + DEFINE(IC_IRQ_CPUSTAT_T, sizeof(irq_cpustat_t)); + BLANK(); } diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c index c11b2494bb6e..2ab899c4b4ce 100644 --- a/arch/mips/lib/iomap-pci.c +++ b/arch/mips/lib/iomap-pci.c @@ -45,8 +45,8 @@ static void __iomem *ioport_map_pci(struct pci_dev *dev, */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c index 855977ca51cd..6537d90a25bb 100644 --- a/arch/mips/pmc-sierra/yosemite/setup.c +++ b/arch/mips/pmc-sierra/yosemite/setup.c @@ -143,9 +143,6 @@ void __init plat_time_init(void) mips_hpt_frequency = 33000000 * 3 * 5; } -/* No other usable initialization hook than this ... */ -extern void (*late_time_init)(void); - unsigned long ocd_base; EXPORT_SYMBOL(ocd_base); diff --git a/arch/mn10300/kernel/asm-offsets.c b/arch/mn10300/kernel/asm-offsets.c index ee2d9f8af5ad..2646fcbd7d89 100644 --- a/arch/mn10300/kernel/asm-offsets.c +++ b/arch/mn10300/kernel/asm-offsets.c @@ -7,6 +7,7 @@ #include <linux/sched.h> #include <linux/signal.h> #include <linux/personality.h> +#include <linux/kbuild.h> #include <asm/ucontext.h> #include <asm/processor.h> #include <asm/thread_info.h> @@ -14,14 +15,6 @@ #include "sigframe.h" #include "mn10300-serial.h" -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->") - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); - void foo(void) { OFFSET(SIGCONTEXT_d0, sigcontext, d0); diff --git a/arch/mn10300/unit-asb2305/pci-iomap.c b/arch/mn10300/unit-asb2305/pci-iomap.c index dbceae4307da..c1a8d8f941fd 100644 --- a/arch/mn10300/unit-asb2305/pci-iomap.c +++ b/arch/mn10300/unit-asb2305/pci-iomap.c @@ -16,8 +16,8 @@ */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index eaa79bc14d94..3efc0b73e4ff 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -32,6 +32,7 @@ #include <linux/thread_info.h> #include <linux/ptrace.h> #include <linux/hardirq.h> +#include <linux/kbuild.h> #include <asm/pgtable.h> #include <asm/ptrace.h> @@ -39,11 +40,6 @@ #include <asm/pdc.h> #include <asm/uaccess.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - #ifdef CONFIG_64BIT #define FRAME_SIZE 128 #else diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 9448d4e91142..ccd61b9567a6 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -397,10 +397,9 @@ pcxl_dma_init(void) "pcxl_dma_init: Unable to create gsc /proc dir entry\n"); else { struct proc_dir_entry* ent; - ent = create_proc_entry("pcxl_dma", 0, proc_gsc_root); - if (ent) - ent->proc_fops = &proc_pcxl_dma_ops; - else + ent = proc_create("pcxl_dma", 0, proc_gsc_root, + &proc_pcxl_dma_ops); + if (!ent) printk(KERN_WARNING "pci-dma.c: Unable to create pcxl_dma /proc entry.\n"); } diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c index f4a811690ab3..9abed07db7fc 100644 --- a/arch/parisc/lib/iomap.c +++ b/arch/parisc/lib/iomap.c @@ -438,8 +438,8 @@ void ioport_unmap(void __iomem *addr) /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index af1d2c894ee1..ec9228d687b0 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -30,6 +30,7 @@ #include <linux/time.h> #include <linux/hardirq.h> #endif +#include <linux/kbuild.h> #include <asm/io.h> #include <asm/page.h> @@ -51,11 +52,6 @@ #include <asm/iseries/alpaca.h> #endif -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main(void) { DEFINE(THREAD, offsetof(struct task_struct, thread)); diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 1ffacc698ffb..1e656b43ad7f 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -591,10 +591,8 @@ int __init lparcfg_init(void) !firmware_has_feature(FW_FEATURE_ISERIES)) mode |= S_IWUSR; - ent = create_proc_entry("ppc64/lparcfg", mode, NULL); - if (ent) { - ent->proc_fops = &lparcfg_fops; - } else { + ent = proc_create("ppc64/lparcfg", mode, NULL, &lparcfg_fops); + if (!ent) { printk(KERN_ERR "Failed to create ppc64/lparcfg\n"); return -EIO; } diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c index f78dfce1b771..c647ddef40dc 100644 --- a/arch/powerpc/kernel/proc_ppc64.c +++ b/arch/powerpc/kernel/proc_ppc64.c @@ -68,12 +68,11 @@ static int __init proc_ppc64_init(void) { struct proc_dir_entry *pde; - pde = create_proc_entry("ppc64/systemcfg", S_IFREG|S_IRUGO, NULL); + pde = proc_create_data("ppc64/systemcfg", S_IFREG|S_IRUGO, NULL, + &page_map_fops, vdso_data); if (!pde) return 1; - pde->data = vdso_data; pde->size = PAGE_SIZE; - pde->proc_fops = &page_map_fops; return 0; } diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index f2e3bc714d76..f9c6abc84a94 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -255,8 +255,6 @@ static void check_location(struct seq_file *m, const char *c); static int __init proc_rtas_init(void) { - struct proc_dir_entry *entry; - if (!machine_is(pseries)) return -ENODEV; @@ -264,35 +262,20 @@ static int __init proc_rtas_init(void) if (rtas_node == NULL) return -ENODEV; - entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_progress_operations; - - entry = create_proc_entry("ppc64/rtas/clock", S_IRUGO|S_IWUSR, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_clock_operations; - - entry = create_proc_entry("ppc64/rtas/poweron", S_IWUSR|S_IRUGO, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_poweron_operations; - - entry = create_proc_entry("ppc64/rtas/sensors", S_IRUGO, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_sensors_operations; - - entry = create_proc_entry("ppc64/rtas/frequency", S_IWUSR|S_IRUGO, - NULL); - if (entry) - entry->proc_fops = &ppc_rtas_tone_freq_operations; - - entry = create_proc_entry("ppc64/rtas/volume", S_IWUSR|S_IRUGO, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_tone_volume_operations; - - entry = create_proc_entry("ppc64/rtas/rmo_buffer", S_IRUSR, NULL); - if (entry) - entry->proc_fops = &ppc_rtas_rmo_buf_ops; - + proc_create("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL, + &ppc_rtas_progress_operations); + proc_create("ppc64/rtas/clock", S_IRUGO|S_IWUSR, NULL, + &ppc_rtas_clock_operations); + proc_create("ppc64/rtas/poweron", S_IWUSR|S_IRUGO, NULL, + &ppc_rtas_poweron_operations); + proc_create("ppc64/rtas/sensors", S_IRUGO, NULL, + &ppc_rtas_sensors_operations); + proc_create("ppc64/rtas/frequency", S_IWUSR|S_IRUGO, NULL, + &ppc_rtas_tone_freq_operations); + proc_create("ppc64/rtas/volume", S_IWUSR|S_IRUGO, NULL, + &ppc_rtas_tone_volume_operations); + proc_create("ppc64/rtas/rmo_buffer", S_IRUSR, NULL, + &ppc_rtas_rmo_buf_ops); return 0; } diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index 627f126d1848..0a5e22b22729 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -704,18 +704,11 @@ static int initialize_flash_pde_data(const char *rtas_call_name, static struct proc_dir_entry *create_flash_pde(const char *filename, const struct file_operations *fops) { - struct proc_dir_entry *ent = NULL; - - ent = create_proc_entry(filename, S_IRUSR | S_IWUSR, NULL); - if (ent != NULL) { - ent->proc_fops = fops; - ent->owner = THIS_MODULE; - } - - return ent; + return proc_create(filename, S_IRUSR | S_IWUSR, NULL, fops); } static const struct file_operations rtas_flash_operations = { + .owner = THIS_MODULE, .read = rtas_flash_read, .write = rtas_flash_write, .open = rtas_excl_open, @@ -723,6 +716,7 @@ static const struct file_operations rtas_flash_operations = { }; static const struct file_operations manage_flash_operations = { + .owner = THIS_MODULE, .read = manage_flash_read, .write = manage_flash_write, .open = rtas_excl_open, @@ -730,6 +724,7 @@ static const struct file_operations manage_flash_operations = { }; static const struct file_operations validate_flash_operations = { + .owner = THIS_MODULE, .read = validate_flash_read, .write = validate_flash_write, .open = rtas_excl_open, diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 00528ef84ad2..45dcd2693502 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -1063,10 +1063,9 @@ int __init spu_sched_init(void) mod_timer(&spuloadavg_timer, 0); - entry = create_proc_entry("spu_loadavg", 0, NULL); + entry = proc_create("spu_loadavg", 0, NULL, &spu_loadavg_fops); if (!entry) goto out_stop_kthread; - entry->proc_fops = &spu_loadavg_fops; pr_debug("spusched: tick: %d, min ticks: %d, default ticks: %d\n", SPUSCHED_TICK, MIN_SPU_TIMESLICE, DEF_SPU_TIMESLICE); diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c index 79aa773f3c99..aea5286f1245 100644 --- a/arch/powerpc/platforms/cell/spufs/sputrace.c +++ b/arch/powerpc/platforms/cell/spufs/sputrace.c @@ -201,10 +201,9 @@ static int __init sputrace_init(void) if (!sputrace_log) goto out; - entry = create_proc_entry("sputrace", S_IRUSR, NULL); + entry = proc_create("sputrace", S_IRUSR, NULL, &sputrace_fops); if (!entry) goto out_free_log; - entry->proc_fops = &sputrace_fops; for (i = 0; i < ARRAY_SIZE(spu_probes); i++) { struct spu_probe *p = &spu_probes[i]; diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index e5b40e3e0082..b0f8a857ec02 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -330,15 +330,11 @@ static const struct file_operations proc_lpevents_operations = { static int __init proc_lpevents_init(void) { - struct proc_dir_entry *e; - if (!firmware_has_feature(FW_FEATURE_ISERIES)) return 0; - e = create_proc_entry("iSeries/lpevents", S_IFREG|S_IRUGO, NULL); - if (e) - e->proc_fops = &proc_lpevents_operations; - + proc_create("iSeries/lpevents", S_IFREG|S_IRUGO, NULL, + &proc_lpevents_operations); return 0; } __initcall(proc_lpevents_init); diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index c0f2433bc16e..1dc7295746da 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -1255,11 +1255,11 @@ static int __init mf_proc_init(void) if (i == 3) /* no vmlinux entry for 'D' */ continue; - ent = create_proc_entry("vmlinux", S_IFREG|S_IWUSR, mf); + ent = proc_create_data("vmlinux", S_IFREG|S_IWUSR, mf, + &proc_vmlinux_operations, + (void *)(long)i); if (!ent) return 1; - ent->data = (void *)(long)i; - ent->proc_fops = &proc_vmlinux_operations; } ent = create_proc_entry("side", S_IFREG|S_IRUSR|S_IWUSR, mf_proc_root); diff --git a/arch/powerpc/platforms/iseries/proc.c b/arch/powerpc/platforms/iseries/proc.c index f2cde4180204..91f4c6cd4b99 100644 --- a/arch/powerpc/platforms/iseries/proc.c +++ b/arch/powerpc/platforms/iseries/proc.c @@ -110,15 +110,11 @@ static const struct file_operations proc_titantod_operations = { static int __init iseries_proc_init(void) { - struct proc_dir_entry *e; - if (!firmware_has_feature(FW_FEATURE_ISERIES)) return 0; - e = create_proc_entry("iSeries/titanTod", S_IFREG|S_IRUGO, NULL); - if (e) - e->proc_fops = &proc_titantod_operations; - + proc_create("iSeries/titanTod", S_IFREG|S_IRUGO, NULL, + &proc_titantod_operations); return 0; } __initcall(iseries_proc_init); diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index df23331eb25c..49ff4dc422b7 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -180,15 +180,10 @@ static const struct file_operations proc_viopath_operations = { static int __init vio_proc_init(void) { - struct proc_dir_entry *e; - if (!firmware_has_feature(FW_FEATURE_ISERIES)) return 0; - e = create_proc_entry("iSeries/config", 0, NULL); - if (e) - e->proc_fops = &proc_viopath_operations; - + proc_create("iSeries/config", 0, NULL, &proc_viopath_operations); return 0; } __initcall(vio_proc_init); diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index a3fd56b186e6..6f544ba4b37f 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -1259,14 +1259,8 @@ static const struct file_operations proc_eeh_operations = { static int __init eeh_init_proc(void) { - struct proc_dir_entry *e; - - if (machine_is(pseries)) { - e = create_proc_entry("ppc64/eeh", 0, NULL); - if (e) - e->proc_fops = &proc_eeh_operations; - } - + if (machine_is(pseries)) + proc_create("ppc64/eeh", 0, NULL, &proc_eeh_operations); return 0; } __initcall(eeh_init_proc); diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index ac75c10de278..75769aae41d5 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -512,12 +512,9 @@ static int proc_ppc64_create_ofdt(void) if (!machine_is(pseries)) return 0; - ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL); - if (ent) { - ent->data = NULL; + ent = proc_create("ppc64/ofdt", S_IWUSR, NULL, &ofdt_fops); + if (ent) ent->size = 0; - ent->proc_fops = &ofdt_fops; - } return 0; } diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c index befadd4f9524..7d3e2b0bd4d2 100644 --- a/arch/powerpc/platforms/pseries/rtasd.c +++ b/arch/powerpc/platforms/pseries/rtasd.c @@ -468,10 +468,9 @@ static int __init rtas_init(void) return -ENOMEM; } - entry = create_proc_entry("ppc64/rtas/error_log", S_IRUSR, NULL); - if (entry) - entry->proc_fops = &proc_rtas_log_operations; - else + entry = proc_create("ppc64/rtas/error_log", S_IRUSR, NULL, + &proc_rtas_log_operations); + if (!entry) printk(KERN_ERR "Failed to create error_log proc entry\n"); if (kernel_thread(rtasd, NULL, CLONE_FS) < 0) diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c index a51a17714231..8dcbdd6c2d2c 100644 --- a/arch/ppc/kernel/asm-offsets.c +++ b/arch/ppc/kernel/asm-offsets.c @@ -18,6 +18,8 @@ #include <linux/suspend.h> #include <linux/mman.h> #include <linux/mm.h> +#include <linux/kbuild.h> + #include <asm/io.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -26,11 +28,6 @@ #include <asm/thread_info.h> #include <asm/vdso_datapage.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main(void) { diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 50ce83f20adb..df3ef6db072c 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1121,8 +1121,8 @@ void __init pci_init_resource(struct resource *res, resource_size_t start, void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len) diff --git a/arch/ppc/platforms/sbc82xx.c b/arch/ppc/platforms/sbc82xx.c index 0df6aacb8237..24f6e0694ac1 100644 --- a/arch/ppc/platforms/sbc82xx.c +++ b/arch/ppc/platforms/sbc82xx.c @@ -30,8 +30,6 @@ static void (*callback_init_IRQ)(void); extern unsigned char __res[sizeof(bd_t)]; -extern void (*late_time_init)(void); - #ifdef CONFIG_GEN_RTC TODC_ALLOC(); diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 1375f8a4469e..fa28ecae636b 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -5,44 +5,38 @@ */ #include <linux/sched.h> - -/* Use marker if you need to separate the values later */ - -#define DEFINE(sym, val, marker) \ - asm volatile("\n->" #sym " %0 " #val " " #marker : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) +#include <linux/kbuild.h> int main(void) { - DEFINE(__THREAD_info, offsetof(struct task_struct, stack),); - DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp),); - DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info),); + DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); + DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); + DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info)); DEFINE(__THREAD_mm_segment, - offsetof(struct task_struct, thread.mm_segment),); + offsetof(struct task_struct, thread.mm_segment)); BLANK(); - DEFINE(__TASK_pid, offsetof(struct task_struct, pid),); + DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); BLANK(); - DEFINE(__PER_atmid, offsetof(per_struct, lowcore.words.perc_atmid),); - DEFINE(__PER_address, offsetof(per_struct, lowcore.words.address),); - DEFINE(__PER_access_id, offsetof(per_struct, lowcore.words.access_id),); + DEFINE(__PER_atmid, offsetof(per_struct, lowcore.words.perc_atmid)); + DEFINE(__PER_address, offsetof(per_struct, lowcore.words.address)); + DEFINE(__PER_access_id, offsetof(per_struct, lowcore.words.access_id)); BLANK(); - DEFINE(__TI_task, offsetof(struct thread_info, task),); - DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain),); - DEFINE(__TI_flags, offsetof(struct thread_info, flags),); - DEFINE(__TI_cpu, offsetof(struct thread_info, cpu),); - DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count),); + DEFINE(__TI_task, offsetof(struct thread_info, task)); + DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain)); + DEFINE(__TI_flags, offsetof(struct thread_info, flags)); + DEFINE(__TI_cpu, offsetof(struct thread_info, cpu)); + DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count)); BLANK(); - DEFINE(__PT_ARGS, offsetof(struct pt_regs, args),); - DEFINE(__PT_PSW, offsetof(struct pt_regs, psw),); - DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs),); - DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2),); - DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc),); - DEFINE(__PT_TRAP, offsetof(struct pt_regs, trap),); - DEFINE(__PT_SIZE, sizeof(struct pt_regs),); + DEFINE(__PT_ARGS, offsetof(struct pt_regs, args)); + DEFINE(__PT_PSW, offsetof(struct pt_regs, psw)); + DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs)); + DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2)); + DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc)); + DEFINE(__PT_TRAP, offsetof(struct pt_regs, trap)); + DEFINE(__PT_SIZE, sizeof(struct pt_regs)); BLANK(); - DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain),); - DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs),); - DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1),); + DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain)); + DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs)); + DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1)); return 0; } diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index c36d8123ca14..c59a86dca584 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -60,8 +60,6 @@ init_IRQ(void) /* * Switch to the asynchronous interrupt stack for softirq execution. */ -extern void __do_softirq(void); - asmlinkage void do_softirq(void) { unsigned long flags, old, new; diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 49b435c3a57a..08d2e7325252 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -191,8 +191,8 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq) void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (unlikely(!len || !start)) diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c index dc6725c51a89..57cf0e0680f3 100644 --- a/arch/sh/kernel/asm-offsets.c +++ b/arch/sh/kernel/asm-offsets.c @@ -11,12 +11,9 @@ #include <linux/stddef.h> #include <linux/types.h> #include <linux/mm.h> -#include <asm/thread_info.h> - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) +#include <linux/kbuild.h> -#define BLANK() asm volatile("\n->" : : ) +#include <asm/thread_info.h> int main(void) { diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 9bf19b00696a..a2a99e487e33 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -200,8 +200,6 @@ void irq_ctx_exit(int cpu) hardirq_ctx[cpu] = NULL; } -extern asmlinkage void __do_softirq(void); - asmlinkage void do_softirq(void) { unsigned long flags; diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c index 6773ed76e414..cd3f7694e9b9 100644 --- a/arch/sparc/kernel/asm-offsets.c +++ b/arch/sparc/kernel/asm-offsets.c @@ -12,11 +12,7 @@ #include <linux/sched.h> // #include <linux/mm.h> - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) +#include <linux/kbuild.h> int foo(void) { diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c index 54501c1ca785..9ef37e13a920 100644 --- a/arch/sparc/lib/iomap.c +++ b/arch/sparc/lib/iomap.c @@ -21,8 +21,8 @@ EXPORT_SYMBOL(ioport_unmap); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/sparc64/lib/iomap.c b/arch/sparc64/lib/iomap.c index ac556db06973..7120ebbd4d03 100644 --- a/arch/sparc64/lib/iomap.c +++ b/arch/sparc64/lib/iomap.c @@ -21,8 +21,8 @@ EXPORT_SYMBOL(ioport_unmap); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c index 984f80e668ca..6540d2c9fbb7 100644 --- a/arch/um/kernel/exitcode.c +++ b/arch/um/kernel/exitcode.c @@ -59,7 +59,7 @@ static int make_proc_exitcode(void) { struct proc_dir_entry *ent; - ent = create_proc_entry("exitcode", 0600, &proc_root); + ent = create_proc_entry("exitcode", 0600, NULL); if (ent == NULL) { printk(KERN_WARNING "make_proc_exitcode : Failed to register " "/proc/exitcode\n"); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index e8cb9ff183e9..83603cfbde81 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -364,7 +364,7 @@ int __init make_proc_sysemu(void) if (!sysemu_supported) return 0; - ent = create_proc_entry("sysemu", 0600, &proc_root); + ent = create_proc_entry("sysemu", 0600, NULL); if (ent == NULL) { diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index e066e84493b1..0d0cea2ac98d 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -4,6 +4,7 @@ */ #include <linux/clockchips.h> +#include <linux/init.h> #include <linux/interrupt.h> #include <linux/jiffies.h> #include <linux/threads.h> @@ -109,8 +110,6 @@ static void __init setup_itimer(void) clockevents_register_device(&itimer_clockevent); } -extern void (*late_time_init)(void); - void __init time_init(void) { long long nsecs; diff --git a/arch/v850/kernel/asm-offsets.c b/arch/v850/kernel/asm-offsets.c index cee5c3142d41..581e6986a776 100644 --- a/arch/v850/kernel/asm-offsets.c +++ b/arch/v850/kernel/asm-offsets.c @@ -13,14 +13,11 @@ #include <linux/kernel_stat.h> #include <linux/ptrace.h> #include <linux/hardirq.h> +#include <linux/kbuild.h> + #include <asm/irq.h> #include <asm/errno.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - int main (void) { /* offsets into the task struct */ diff --git a/arch/v850/kernel/rte_mb_a_pci.c b/arch/v850/kernel/rte_mb_a_pci.c index 7165478824e7..687e367d8b64 100644 --- a/arch/v850/kernel/rte_mb_a_pci.c +++ b/arch/v850/kernel/rte_mb_a_pci.c @@ -790,8 +790,8 @@ pci_free_consistent (struct pci_dev *pdev, size_t size, void *cpu_addr, void __iomem *pci_iomap (struct pci_dev *dev, int bar, unsigned long max) { - unsigned long start = pci_resource_start (dev, bar); - unsigned long len = pci_resource_len (dev, bar); + resource_size_t start = pci_resource_start (dev, bar); + resource_size_t len = pci_resource_len (dev, bar); if (!start || len == 0) return 0; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a12dbb2b93f3..f70e3e3a9fa7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -537,9 +537,6 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT Calgary anyway, pass 'iommu=calgary' on the kernel command line. If unsure, say Y. -config IOMMU_HELPER - def_bool (CALGARY_IOMMU || GART_IOMMU) - # need this always selected by IOMMU for the VIA workaround config SWIOTLB bool @@ -550,6 +547,8 @@ config SWIOTLB access 32-bits of memory can be used on systems with more than 3 GB of memory. If unsure, say Y. +config IOMMU_HELPER + def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB) config NR_CPUS int "Maximum number of CPUs (2-255)" @@ -1505,6 +1504,10 @@ config PCI_GODIRECT config PCI_GOANY bool "Any" +config PCI_GOOLPC + bool "OLPC" + depends on OLPC + endchoice config PCI_BIOS @@ -1514,12 +1517,17 @@ config PCI_BIOS # x86-64 doesn't support PCI BIOS access from long mode so always go direct. config PCI_DIRECT def_bool y - depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY) || X86_VISWS) + depends on PCI && (X86_64 || (PCI_GODIRECT || PCI_GOANY || PCI_GOOLPC) || X86_VISWS) config PCI_MMCONFIG def_bool y depends on X86_32 && PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY) +config PCI_OLPC + bool + depends on PCI && PCI_GOOLPC + default y + config PCI_DOMAINS def_bool y depends on PCI @@ -1639,6 +1647,13 @@ config GEODE_MFGPT_TIMER MFGPTs have a better resolution and max interval than the generic PIT, and are suitable for use as high-res timers. +config OLPC + bool "One Laptop Per Child support" + default n + help + Add support for detecting the unique features of the OLPC + XO hardware. + endif # X86_32 config K8_NB diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c index d84a48ece785..03399d64013b 100644 --- a/arch/x86/boot/edd.c +++ b/arch/x86/boot/edd.c @@ -126,17 +126,25 @@ void query_edd(void) { char eddarg[8]; int do_mbr = 1; +#ifdef CONFIG_EDD_OFF + int do_edd = 0; +#else int do_edd = 1; +#endif int be_quiet; int devno; struct edd_info ei, *edp; u32 *mbrptr; if (cmdline_find_option("edd", eddarg, sizeof eddarg) > 0) { - if (!strcmp(eddarg, "skipmbr") || !strcmp(eddarg, "skip")) + if (!strcmp(eddarg, "skipmbr") || !strcmp(eddarg, "skip")) { + do_edd = 1; do_mbr = 0; + } else if (!strcmp(eddarg, "off")) do_edd = 0; + else if (!strcmp(eddarg, "on")) + do_edd = 1; } be_quiet = cmdline_find_option_bool("quiet"); diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index fa19c3819540..350eb1b2a208 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -91,6 +91,8 @@ endif obj-$(CONFIG_SCx200) += scx200.o scx200-y += scx200_32.o +obj-$(CONFIG_OLPC) += olpc.o + ### # 64 bit specific files ifeq ($(CONFIG_X86_64),y) diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c index 670c3c311289..92588083950f 100644 --- a/arch/x86/kernel/asm-offsets_32.c +++ b/arch/x86/kernel/asm-offsets_32.c @@ -9,6 +9,7 @@ #include <linux/signal.h> #include <linux/personality.h> #include <linux/suspend.h> +#include <linux/kbuild.h> #include <asm/ucontext.h> #include "sigframe.h" #include <asm/pgtable.h> @@ -23,14 +24,6 @@ #include <linux/lguest.h> #include "../../../drivers/lguest/lg.h" -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); - /* workaround for a warning with -Wmissing-prototypes */ void foo(void); diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index 494e1e096ee6..f126c05d6170 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/hardirq.h> #include <linux/suspend.h> +#include <linux/kbuild.h> #include <asm/pda.h> #include <asm/processor.h> #include <asm/segment.h> @@ -17,14 +18,6 @@ #include <asm/ia32.h> #include <asm/bootparam.h> -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)) - #define __NO_STUBS 1 #undef __SYSCALL #undef _ASM_X86_64_UNISTD_H_ diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 8db8f73503b3..b0c8208df9fa 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -601,6 +601,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) { policy->cpus = perf->shared_cpu_map; } + policy->related_cpus = perf->shared_cpu_map; #ifdef CONFIG_SMP dmi_check_system(sw_any_bug_dmi_table); diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c index 1960f1985e5e..84c480bb3715 100644 --- a/arch/x86/kernel/cpu/mtrr/if.c +++ b/arch/x86/kernel/cpu/mtrr/if.c @@ -424,7 +424,7 @@ static int __init mtrr_if_init(void) return -ENODEV; proc_root_mtrr = - proc_create("mtrr", S_IWUSR | S_IRUGO, &proc_root, &mtrr_fops); + proc_create("mtrr", S_IWUSR | S_IRUGO, NULL, &mtrr_fops); if (proc_root_mtrr) proc_root_mtrr->owner = THIS_MODULE; diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 00bda7bcda63..147352df28b9 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -190,8 +190,6 @@ void irq_ctx_exit(int cpu) hardirq_ctx[cpu] = NULL; } -extern asmlinkage void __do_softirq(void); - asmlinkage void do_softirq(void) { unsigned long flags; diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c new file mode 100644 index 000000000000..3e6672274807 --- /dev/null +++ b/arch/x86/kernel/olpc.c @@ -0,0 +1,260 @@ +/* + * Support for the OLPC DCON and OLPC EC access + * + * Copyright © 2006 Advanced Micro Devices, Inc. + * Copyright © 2007-2008 Andres Salomon <dilinger@debian.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/io.h> +#include <linux/string.h> +#include <asm/geode.h> +#include <asm/olpc.h> + +#ifdef CONFIG_OPEN_FIRMWARE +#include <asm/ofw.h> +#endif + +struct olpc_platform_t olpc_platform_info; +EXPORT_SYMBOL_GPL(olpc_platform_info); + +static DEFINE_SPINLOCK(ec_lock); + +/* what the timeout *should* be (in ms) */ +#define EC_BASE_TIMEOUT 20 + +/* the timeout that bugs in the EC might force us to actually use */ +static int ec_timeout = EC_BASE_TIMEOUT; + +static int __init olpc_ec_timeout_set(char *str) +{ + if (get_option(&str, &ec_timeout) != 1) { + ec_timeout = EC_BASE_TIMEOUT; + printk(KERN_ERR "olpc-ec: invalid argument to " + "'olpc_ec_timeout=', ignoring!\n"); + } + printk(KERN_DEBUG "olpc-ec: using %d ms delay for EC commands.\n", + ec_timeout); + return 1; +} +__setup("olpc_ec_timeout=", olpc_ec_timeout_set); + +/* + * These {i,o}bf_status functions return whether the buffers are full or not. + */ + +static inline unsigned int ibf_status(unsigned int port) +{ + return !!(inb(port) & 0x02); +} + +static inline unsigned int obf_status(unsigned int port) +{ + return inb(port) & 0x01; +} + +#define wait_on_ibf(p, d) __wait_on_ibf(__LINE__, (p), (d)) +static int __wait_on_ibf(unsigned int line, unsigned int port, int desired) +{ + unsigned int timeo; + int state = ibf_status(port); + + for (timeo = ec_timeout; state != desired && timeo; timeo--) { + mdelay(1); + state = ibf_status(port); + } + + if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) && + timeo < (ec_timeout - EC_BASE_TIMEOUT)) { + printk(KERN_WARNING "olpc-ec: %d: waited %u ms for IBF!\n", + line, ec_timeout - timeo); + } + + return !(state == desired); +} + +#define wait_on_obf(p, d) __wait_on_obf(__LINE__, (p), (d)) +static int __wait_on_obf(unsigned int line, unsigned int port, int desired) +{ + unsigned int timeo; + int state = obf_status(port); + + for (timeo = ec_timeout; state != desired && timeo; timeo--) { + mdelay(1); + state = obf_status(port); + } + + if ((state == desired) && (ec_timeout > EC_BASE_TIMEOUT) && + timeo < (ec_timeout - EC_BASE_TIMEOUT)) { + printk(KERN_WARNING "olpc-ec: %d: waited %u ms for OBF!\n", + line, ec_timeout - timeo); + } + + return !(state == desired); +} + +/* + * This allows the kernel to run Embedded Controller commands. The EC is + * documented at <http://wiki.laptop.org/go/Embedded_controller>, and the + * available EC commands are here: + * <http://wiki.laptop.org/go/Ec_specification>. Unfortunately, while + * OpenFirmware's source is available, the EC's is not. + */ +int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen, + unsigned char *outbuf, size_t outlen) +{ + unsigned long flags; + int ret = -EIO; + int i; + + spin_lock_irqsave(&ec_lock, flags); + + /* Clear OBF */ + for (i = 0; i < 10 && (obf_status(0x6c) == 1); i++) + inb(0x68); + if (i == 10) { + printk(KERN_ERR "olpc-ec: timeout while attempting to " + "clear OBF flag!\n"); + goto err; + } + + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for EC to " + "quiesce!\n"); + goto err; + } + +restart: + /* + * Note that if we time out during any IBF checks, that's a failure; + * we have to return. There's no way for the kernel to clear that. + * + * If we time out during an OBF check, we can restart the command; + * reissuing it will clear the OBF flag, and we should be alright. + * The OBF flag will sometimes misbehave due to what we believe + * is a hardware quirk.. + */ + printk(KERN_DEBUG "olpc-ec: running cmd 0x%x\n", cmd); + outb(cmd, 0x6c); + + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for EC to read " + "command!\n"); + goto err; + } + + if (inbuf && inlen) { + /* write data to EC */ + for (i = 0; i < inlen; i++) { + if (wait_on_ibf(0x6c, 0)) { + printk(KERN_ERR "olpc-ec: timeout waiting for" + " EC accept data!\n"); + goto err; + } + printk(KERN_DEBUG "olpc-ec: sending cmd arg 0x%x\n", + inbuf[i]); + outb(inbuf[i], 0x68); + } + } + if (outbuf && outlen) { + /* read data from EC */ + for (i = 0; i < outlen; i++) { + if (wait_on_obf(0x6c, 1)) { + printk(KERN_ERR "olpc-ec: timeout waiting for" + " EC to provide data!\n"); + goto restart; + } + outbuf[i] = inb(0x68); + printk(KERN_DEBUG "olpc-ec: received 0x%x\n", + outbuf[i]); + } + } + + ret = 0; +err: + spin_unlock_irqrestore(&ec_lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(olpc_ec_cmd); + +#ifdef CONFIG_OPEN_FIRMWARE +static void __init platform_detect(void) +{ + size_t propsize; + u32 rev; + + if (ofw("getprop", 4, 1, NULL, "board-revision-int", &rev, 4, + &propsize) || propsize != 4) { + printk(KERN_ERR "ofw: getprop call failed!\n"); + rev = 0; + } + olpc_platform_info.boardrev = be32_to_cpu(rev); +} +#else +static void __init platform_detect(void) +{ + /* stopgap until OFW support is added to the kernel */ + olpc_platform_info.boardrev = be32_to_cpu(0xc2); +} +#endif + +static int __init olpc_init(void) +{ + unsigned char *romsig; + + /* The ioremap check is dangerous; limit what we run it on */ + if (!is_geode() || geode_has_vsa2()) + return 0; + + spin_lock_init(&ec_lock); + + romsig = ioremap(0xffffffc0, 16); + if (!romsig) + return 0; + + if (strncmp(romsig, "CL1 Q", 7)) + goto unmap; + if (strncmp(romsig+6, romsig+13, 3)) { + printk(KERN_INFO "OLPC BIOS signature looks invalid. " + "Assuming not OLPC\n"); + goto unmap; + } + + printk(KERN_INFO "OLPC board with OpenFirmware %.16s\n", romsig); + olpc_platform_info.flags |= OLPC_F_PRESENT; + + /* get the platform revision */ + platform_detect(); + + /* assume B1 and above models always have a DCON */ + if (olpc_board_at_least(olpc_board(0xb1))) + olpc_platform_info.flags |= OLPC_F_DCON; + + /* get the EC revision */ + olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0, + (unsigned char *) &olpc_platform_info.ecver, 1); + + /* check to see if the VSA exists */ + if (geode_has_vsa2()) + olpc_platform_info.flags |= OLPC_F_VSA; + + printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n", + ((olpc_platform_info.boardrev & 0xf) < 8) ? "pre" : "", + olpc_platform_info.boardrev >> 4, + olpc_platform_info.ecver); + +unmap: + iounmap(romsig); + return 0; +} + +postcore_initcall(olpc_init); diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c index 1a89e93f3f1c..2ff21f398934 100644 --- a/arch/x86/kernel/time_32.c +++ b/arch/x86/kernel/time_32.c @@ -115,7 +115,6 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -extern void (*late_time_init)(void); /* Duplicate of time_init() below, with hpet_enable part added */ void __init hpet_time_init(void) { diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32 index cdd6828b5abb..b859047a6376 100644 --- a/arch/x86/pci/Makefile_32 +++ b/arch/x86/pci/Makefile_32 @@ -3,6 +3,7 @@ obj-y := i386.o init.o obj-$(CONFIG_PCI_BIOS) += pcbios.o obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o direct.o mmconfig-shared.o obj-$(CONFIG_PCI_DIRECT) += direct.o +obj-$(CONFIG_PCI_OLPC) += olpc.o pci-y := fixup.o pci-$(CONFIG_ACPI) += acpi.o diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c index 3de9f9ba2da6..0f5f7dd2a620 100644 --- a/arch/x86/pci/init.c +++ b/arch/x86/pci/init.c @@ -14,6 +14,9 @@ static __init int pci_access_init(void) #ifdef CONFIG_PCI_MMCONFIG pci_mmcfg_init(type); #endif +#ifdef CONFIG_PCI_OLPC + pci_olpc_init(); +#endif if (raw_pci_ops) return 0; #ifdef CONFIG_PCI_BIOS diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c new file mode 100644 index 000000000000..5e7636558c02 --- /dev/null +++ b/arch/x86/pci/olpc.c @@ -0,0 +1,313 @@ +/* + * Low-level PCI config space access for OLPC systems who lack the VSA + * PCI virtualization software. + * + * Copyright © 2006 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The AMD Geode chipset (ie: GX2 processor, cs5536 I/O companion device) + * has some I/O functions (display, southbridge, sound, USB HCIs, etc) + * that more or less behave like PCI devices, but the hardware doesn't + * directly implement the PCI configuration space headers. AMD provides + * "VSA" (Virtual System Architecture) software that emulates PCI config + * space for these devices, by trapping I/O accesses to PCI config register + * (CF8/CFC) and running some code in System Management Mode interrupt state. + * On the OLPC platform, we don't want to use that VSA code because + * (a) it slows down suspend/resume, and (b) recompiling it requires special + * compilers that are hard to get. So instead of letting the complex VSA + * code simulate the PCI config registers for the on-chip devices, we + * just simulate them the easy way, by inserting the code into the + * pci_write_config and pci_read_config path. Most of the config registers + * are read-only anyway, so the bulk of the simulation is just table lookup. + */ + +#include <linux/pci.h> +#include <linux/init.h> +#include <asm/olpc.h> +#include <asm/geode.h> +#include "pci.h" + +/* + * In the tables below, the first two line (8 longwords) are the + * size masks that are used when the higher level PCI code determines + * the size of the region by writing ~0 to a base address register + * and reading back the result. + * + * The following lines are the values that are read during normal + * PCI config access cycles, i.e. not after just having written + * ~0 to a base address register. + */ + +static const uint32_t lxnb_hdr[] = { /* dev 1 function 0 - devfn = 8 */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x281022, 0x2200005, 0x6000021, 0x80f808, /* AMD Vendor ID */ + 0x0, 0x0, 0x0, 0x0, /* No virtual registers, hence no BAR */ + 0x0, 0x0, 0x0, 0x28100b, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t gxnb_hdr[] = { /* dev 1 function 0 - devfn = 8 */ + 0xfffffffd, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x28100b, 0x2200005, 0x6000021, 0x80f808, /* NSC Vendor ID */ + 0xac1d, 0x0, 0x0, 0x0, /* I/O BAR - base of virtual registers */ + 0x0, 0x0, 0x0, 0x28100b, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t lxfb_hdr[] = { /* dev 1 function 1 - devfn = 9 */ + 0xff000008, 0xffffc000, 0xffffc000, 0xffffc000, + 0xffffc000, 0x0, 0x0, 0x0, + + 0x20811022, 0x2200003, 0x3000000, 0x0, /* AMD Vendor ID */ + 0xfd000000, 0xfe000000, 0xfe004000, 0xfe008000, /* FB, GP, VG, DF */ + 0xfe00c000, 0x0, 0x0, 0x30100b, /* VIP */ + 0x0, 0x0, 0x0, 0x10e, /* INTA, IRQ14 for graphics accel */ + 0x0, 0x0, 0x0, 0x0, + 0x3d0, 0x3c0, 0xa0000, 0x0, /* VG IO, VG IO, EGA FB, MONO FB */ + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t gxfb_hdr[] = { /* dev 1 function 1 - devfn = 9 */ + 0xff800008, 0xffffc000, 0xffffc000, 0xffffc000, + 0x0, 0x0, 0x0, 0x0, + + 0x30100b, 0x2200003, 0x3000000, 0x0, /* NSC Vendor ID */ + 0xfd000000, 0xfe000000, 0xfe004000, 0xfe008000, /* FB, GP, VG, DF */ + 0x0, 0x0, 0x0, 0x30100b, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x3d0, 0x3c0, 0xa0000, 0x0, /* VG IO, VG IO, EGA FB, MONO FB */ + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t aes_hdr[] = { /* dev 1 function 2 - devfn = 0xa */ + 0xffffc000, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x20821022, 0x2a00006, 0x10100000, 0x8, /* NSC Vendor ID */ + 0xfe010000, 0x0, 0x0, 0x0, /* AES registers */ + 0x0, 0x0, 0x0, 0x20821022, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + + +static const uint32_t isa_hdr[] = { /* dev f function 0 - devfn = 78 */ + 0xfffffff9, 0xffffff01, 0xffffffc1, 0xffffffe1, + 0xffffff81, 0xffffffc1, 0x0, 0x0, + + 0x20901022, 0x2a00049, 0x6010003, 0x802000, + 0x18b1, 0x1001, 0x1801, 0x1881, /* SMB-8 GPIO-256 MFGPT-64 IRQ-32 */ + 0x1401, 0x1841, 0x0, 0x20901022, /* PMS-128 ACPI-64 */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0xaa5b, /* IRQ steering */ + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t ac97_hdr[] = { /* dev f function 3 - devfn = 7b */ + 0xffffff81, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x20931022, 0x2a00041, 0x4010001, 0x0, + 0x1481, 0x0, 0x0, 0x0, /* I/O BAR-128 */ + 0x0, 0x0, 0x0, 0x20931022, + 0x0, 0x0, 0x0, 0x205, /* IntB, IRQ5 */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t ohci_hdr[] = { /* dev f function 4 - devfn = 7c */ + 0xfffff000, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x20941022, 0x2300006, 0xc031002, 0x0, + 0xfe01a000, 0x0, 0x0, 0x0, /* MEMBAR-1000 */ + 0x0, 0x0, 0x0, 0x20941022, + 0x0, 0x40, 0x0, 0x40a, /* CapPtr INT-D, IRQA */ + 0xc8020001, 0x0, 0x0, 0x0, /* Capabilities - 40 is R/O, + 44 is mask 8103 (power control) */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static const uint32_t ehci_hdr[] = { /* dev f function 4 - devfn = 7d */ + 0xfffff000, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + + 0x20951022, 0x2300006, 0xc032002, 0x0, + 0xfe01b000, 0x0, 0x0, 0x0, /* MEMBAR-1000 */ + 0x0, 0x0, 0x0, 0x20951022, + 0x0, 0x40, 0x0, 0x40a, /* CapPtr INT-D, IRQA */ + 0xc8020001, 0x0, 0x0, 0x0, /* Capabilities - 40 is R/O, 44 is + mask 8103 (power control) */ +#if 0 + 0x1, 0x40080000, 0x0, 0x0, /* EECP - see EHCI spec section 2.1.7 */ +#endif + 0x01000001, 0x0, 0x0, 0x0, /* EECP - see EHCI spec section 2.1.7 */ + 0x2020, 0x0, 0x0, 0x0, /* (EHCI page 8) 60 SBRN (R/O), + 61 FLADJ (R/W), PORTWAKECAP */ +}; + +static uint32_t ff_loc = ~0; +static uint32_t zero_loc; +static int bar_probing; /* Set after a write of ~0 to a BAR */ +static int is_lx; + +#define NB_SLOT 0x1 /* Northbridge - GX chip - Device 1 */ +#define SB_SLOT 0xf /* Southbridge - CS5536 chip - Device F */ + +static int is_simulated(unsigned int bus, unsigned int devfn) +{ + return (!bus && ((PCI_SLOT(devfn) == NB_SLOT) || + (PCI_SLOT(devfn) == SB_SLOT))); +} + +static uint32_t *hdr_addr(const uint32_t *hdr, int reg) +{ + uint32_t addr; + + /* + * This is a little bit tricky. The header maps consist of + * 0x20 bytes of size masks, followed by 0x70 bytes of header data. + * In the normal case, when not probing a BAR's size, we want + * to access the header data, so we add 0x20 to the reg offset, + * thus skipping the size mask area. + * In the BAR probing case, we want to access the size mask for + * the BAR, so we subtract 0x10 (the config header offset for + * BAR0), and don't skip the size mask area. + */ + + addr = (uint32_t)hdr + reg + (bar_probing ? -0x10 : 0x20); + + bar_probing = 0; + return (uint32_t *)addr; +} + +static int pci_olpc_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, uint32_t *value) +{ + uint32_t *addr; + + /* Use the hardware mechanism for non-simulated devices */ + if (!is_simulated(bus, devfn)) + return pci_direct_conf1.read(seg, bus, devfn, reg, len, value); + + /* + * No device has config registers past 0x70, so we save table space + * by not storing entries for the nonexistent registers + */ + if (reg >= 0x70) + addr = &zero_loc; + else { + switch (devfn) { + case 0x8: + addr = hdr_addr(is_lx ? lxnb_hdr : gxnb_hdr, reg); + break; + case 0x9: + addr = hdr_addr(is_lx ? lxfb_hdr : gxfb_hdr, reg); + break; + case 0xa: + addr = is_lx ? hdr_addr(aes_hdr, reg) : &ff_loc; + break; + case 0x78: + addr = hdr_addr(isa_hdr, reg); + break; + case 0x7b: + addr = hdr_addr(ac97_hdr, reg); + break; + case 0x7c: + addr = hdr_addr(ohci_hdr, reg); + break; + case 0x7d: + addr = hdr_addr(ehci_hdr, reg); + break; + default: + addr = &ff_loc; + break; + } + } + switch (len) { + case 1: + *value = *(uint8_t *)addr; + break; + case 2: + *value = *(uint16_t *)addr; + break; + case 4: + *value = *addr; + break; + default: + BUG(); + } + + return 0; +} + +static int pci_olpc_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, uint32_t value) +{ + /* Use the hardware mechanism for non-simulated devices */ + if (!is_simulated(bus, devfn)) + return pci_direct_conf1.write(seg, bus, devfn, reg, len, value); + + /* XXX we may want to extend this to simulate EHCI power management */ + + /* + * Mostly we just discard writes, but if the write is a size probe + * (i.e. writing ~0 to a BAR), we remember it and arrange to return + * the appropriate size mask on the next read. This is cheating + * to some extent, because it depends on the fact that the next + * access after such a write will always be a read to the same BAR. + */ + + if ((reg >= 0x10) && (reg < 0x2c)) { + /* write is to a BAR */ + if (value == ~0) + bar_probing = 1; + } else { + /* + * No warning on writes to ROM BAR, CMD, LATENCY_TIMER, + * CACHE_LINE_SIZE, or PM registers. + */ + if ((reg != PCI_ROM_ADDRESS) && (reg != PCI_COMMAND_MASTER) && + (reg != PCI_LATENCY_TIMER) && + (reg != PCI_CACHE_LINE_SIZE) && (reg != 0x44)) + printk(KERN_WARNING "OLPC PCI: Config write to devfn" + " %x reg %x value %x\n", devfn, reg, value); + } + + return 0; +} + +static struct pci_raw_ops pci_olpc_conf = { + .read = pci_olpc_read, + .write = pci_olpc_write, +}; + +void __init pci_olpc_init(void) +{ + if (!machine_is_olpc() || olpc_has_vsa()) + return; + + printk(KERN_INFO "PCI: Using configuration type OLPC\n"); + raw_pci_ops = &pci_olpc_conf; + is_lx = is_geode_lx(); +} diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h index c4bddaeff619..7d84e813e958 100644 --- a/arch/x86/pci/pci.h +++ b/arch/x86/pci/pci.h @@ -98,6 +98,7 @@ extern int pci_direct_probe(void); extern void pci_direct_init(int type); extern void pci_pcbios_init(void); extern void pci_mmcfg_init(int type); +extern void pci_olpc_init(void); /* pci-mmconfig.c */ diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index ef63adadf7f4..070ff8af3a21 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -19,12 +19,11 @@ #include <linux/thread_info.h> #include <linux/ptrace.h> #include <linux/mm.h> +#include <linux/kbuild.h> #include <asm/ptrace.h> #include <asm/uaccess.h> -#define DEFINE(sym, val) asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - int main(void) { /* struct pt_regs */ |
