diff options
Diffstat (limited to 'arch/powerpc')
25 files changed, 65 insertions, 311 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index 4c24ea8209bb..ce483b0f8a4d 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -1,171 +1 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __CPM_H -#define __CPM_H - -#include <linux/compiler.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/of.h> -#include <soc/fsl/qe/qe.h> - -/* - * SPI Parameter RAM common to QE and CPM. - */ -struct spi_pram { - __be16 rbase; /* Rx Buffer descriptor base address */ - __be16 tbase; /* Tx Buffer descriptor base address */ - u8 rfcr; /* Rx function code */ - u8 tfcr; /* Tx function code */ - __be16 mrblr; /* Max receive buffer length */ - __be32 rstate; /* Internal */ - __be32 rdp; /* Internal */ - __be16 rbptr; /* Internal */ - __be16 rbc; /* Internal */ - __be32 rxtmp; /* Internal */ - __be32 tstate; /* Internal */ - __be32 tdp; /* Internal */ - __be16 tbptr; /* Internal */ - __be16 tbc; /* Internal */ - __be32 txtmp; /* Internal */ - __be32 res; /* Tx temp. */ - __be16 rpbase; /* Relocation pointer (CPM1 only) */ - __be16 res1; /* Reserved */ -}; - -/* - * USB Controller pram common to QE and CPM. - */ -struct usb_ctlr { - u8 usb_usmod; - u8 usb_usadr; - u8 usb_uscom; - u8 res1[1]; - __be16 usb_usep[4]; - u8 res2[4]; - __be16 usb_usber; - u8 res3[2]; - __be16 usb_usbmr; - u8 res4[1]; - u8 usb_usbs; - /* Fields down below are QE-only */ - __be16 usb_ussft; - u8 res5[2]; - __be16 usb_usfrn; - u8 res6[0x22]; -} __attribute__ ((packed)); - -/* - * Function code bits, usually generic to devices. - */ -#ifdef CONFIG_CPM1 -#define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ -#define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ -#define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ -#define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ -#else -#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ -#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ -#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ -#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ -#endif -#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ - -/* Opcodes common to CPM1 and CPM2 -*/ -#define CPM_CR_INIT_TRX ((ushort)0x0000) -#define CPM_CR_INIT_RX ((ushort)0x0001) -#define CPM_CR_INIT_TX ((ushort)0x0002) -#define CPM_CR_HUNT_MODE ((ushort)0x0003) -#define CPM_CR_STOP_TX ((ushort)0x0004) -#define CPM_CR_GRA_STOP_TX ((ushort)0x0005) -#define CPM_CR_RESTART_TX ((ushort)0x0006) -#define CPM_CR_CLOSE_RX_BD ((ushort)0x0007) -#define CPM_CR_SET_GADDR ((ushort)0x0008) -#define CPM_CR_SET_TIMER ((ushort)0x0008) -#define CPM_CR_STOP_IDMA ((ushort)0x000b) - -/* Buffer descriptors used by many of the CPM protocols. */ -typedef struct cpm_buf_desc { - ushort cbd_sc; /* Status and Control */ - ushort cbd_datlen; /* Data length in buffer */ - uint cbd_bufaddr; /* Buffer address in host memory */ -} cbd_t; - -/* Buffer descriptor control/status used by serial - */ - -#define BD_SC_EMPTY (0x8000) /* Receive is empty */ -#define BD_SC_READY (0x8000) /* Transmit is ready */ -#define BD_SC_WRAP (0x2000) /* Last buffer descriptor */ -#define BD_SC_INTRPT (0x1000) /* Interrupt on change */ -#define BD_SC_LAST (0x0800) /* Last buffer in frame */ -#define BD_SC_TC (0x0400) /* Transmit CRC */ -#define BD_SC_CM (0x0200) /* Continuous mode */ -#define BD_SC_ID (0x0100) /* Rec'd too many idles */ -#define BD_SC_P (0x0100) /* xmt preamble */ -#define BD_SC_BR (0x0020) /* Break received */ -#define BD_SC_FR (0x0010) /* Framing error */ -#define BD_SC_PR (0x0008) /* Parity error */ -#define BD_SC_NAK (0x0004) /* NAK - did not respond */ -#define BD_SC_OV (0x0002) /* Overrun */ -#define BD_SC_UN (0x0002) /* Underrun */ -#define BD_SC_CD (0x0001) /* */ -#define BD_SC_CL (0x0001) /* Collision */ - -/* Buffer descriptor control/status used by Ethernet receive. - * Common to SCC and FCC. - */ -#define BD_ENET_RX_EMPTY (0x8000) -#define BD_ENET_RX_WRAP (0x2000) -#define BD_ENET_RX_INTR (0x1000) -#define BD_ENET_RX_LAST (0x0800) -#define BD_ENET_RX_FIRST (0x0400) -#define BD_ENET_RX_MISS (0x0100) -#define BD_ENET_RX_BC (0x0080) /* FCC Only */ -#define BD_ENET_RX_MC (0x0040) /* FCC Only */ -#define BD_ENET_RX_LG (0x0020) -#define BD_ENET_RX_NO (0x0010) -#define BD_ENET_RX_SH (0x0008) -#define BD_ENET_RX_CR (0x0004) -#define BD_ENET_RX_OV (0x0002) -#define BD_ENET_RX_CL (0x0001) -#define BD_ENET_RX_STATS (0x01ff) /* All status bits */ - -/* Buffer descriptor control/status used by Ethernet transmit. - * Common to SCC and FCC. - */ -#define BD_ENET_TX_READY (0x8000) -#define BD_ENET_TX_PAD (0x4000) -#define BD_ENET_TX_WRAP (0x2000) -#define BD_ENET_TX_INTR (0x1000) -#define BD_ENET_TX_LAST (0x0800) -#define BD_ENET_TX_TC (0x0400) -#define BD_ENET_TX_DEF (0x0200) -#define BD_ENET_TX_HB (0x0100) -#define BD_ENET_TX_LC (0x0080) -#define BD_ENET_TX_RL (0x0040) -#define BD_ENET_TX_RCMASK (0x003c) -#define BD_ENET_TX_UN (0x0002) -#define BD_ENET_TX_CSL (0x0001) -#define BD_ENET_TX_STATS (0x03ff) /* All status bits */ - -/* Buffer descriptor control/status used by Transparent mode SCC. - */ -#define BD_SCC_TX_LAST (0x0800) - -/* Buffer descriptor control/status used by I2C. - */ -#define BD_I2C_START (0x0400) - -#ifdef CONFIG_CPM -int cpm_command(u32 command, u8 opcode); -#else -static inline int cpm_command(u32 command, u8 opcode) -{ - return -ENOSYS; -} -#endif /* CONFIG_CPM */ - -int cpm2_gpiochip_add32(struct device *dev); - -#endif +#include <soc/fsl/cpm.h> diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index e9a960e28f3c..1b55fc08f853 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -36,10 +36,12 @@ #endif #ifdef CONFIG_PPC_PSERIES +DECLARE_STATIC_KEY_FALSE(shared_processor); + #define vcpu_is_preempted vcpu_is_preempted static inline bool vcpu_is_preempted(int cpu) { - if (!firmware_has_feature(FW_FEATURE_SPLPAR)) + if (!static_branch_unlikely(&shared_processor)) return false; return !!(be32_to_cpu(lppaca_of(cpu).yield_count) & 1); } @@ -110,13 +112,8 @@ static inline void splpar_rw_yield(arch_rwlock_t *lock) {}; static inline bool is_shared_processor(void) { -/* - * LPPACA is only available on Pseries so guard anything LPPACA related to - * allow other platforms (which include this common header) to compile. - */ -#ifdef CONFIG_PPC_PSERIES - return (IS_ENABLED(CONFIG_PPC_SPLPAR) && - lppaca_shared_proc(local_paca->lppaca_ptr)); +#ifdef CONFIG_PPC_SPLPAR + return static_branch_unlikely(&shared_processor); #else return false; #endif diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 15002b51ff18..c92fe7fe9692 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -401,7 +401,7 @@ copy_to_user_mcsafe(void __user *to, const void *from, unsigned long n) return n; } -extern unsigned long __clear_user(void __user *addr, unsigned long size); +unsigned long __arch_clear_user(void __user *addr, unsigned long size); static inline unsigned long clear_user(void __user *addr, unsigned long size) { @@ -409,12 +409,17 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size) might_fault(); if (likely(access_ok(addr, size))) { allow_write_to_user(addr, size); - ret = __clear_user(addr, size); + ret = __arch_clear_user(addr, size); prevent_write_to_user(addr, size); } return ret; } +static inline unsigned long __clear_user(void __user *addr, unsigned long size) +{ + return clear_user(addr, size); +} + extern long strncpy_from_user(char *dst, const char __user *src, long count); extern __must_check long strnlen_user(const char __user *str, long n); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5645bc9cbc09..add67498c126 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -619,8 +619,6 @@ void __do_irq(struct pt_regs *regs) trace_irq_entry(regs); - check_stack_overflow(); - /* * Query the platform PIC for the interrupt & ack it. * @@ -652,6 +650,8 @@ void do_IRQ(struct pt_regs *regs) irqsp = hardirq_ctx[raw_smp_processor_id()]; sirqsp = softirq_ctx[raw_smp_processor_id()]; + check_stack_overflow(); + /* Already there ? */ if (unlikely(cursp == irqsp || cursp == sirqsp)) { __do_irq(regs); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index dc53578193ee..6ff3f896d908 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -4983,7 +4983,8 @@ static void kvmppc_core_destroy_vm_hv(struct kvm *kvm) if (nesting_enabled(kvm)) kvmhv_release_all_nested(kvm); kvm->arch.process_table = 0; - uv_svm_terminate(kvm->arch.lpid); + if (kvm->arch.secure_guest) + uv_svm_terminate(kvm->arch.lpid); kvmhv_set_ptbl_entry(kvm->arch.lpid, 0, 0); } diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 0496e66aaa56..c6fbbd29bd87 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1117,7 +1117,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) ld r7, VCPU_GPR(R7)(r4) bne ret_to_ultra - lwz r0, VCPU_CR(r4) + ld r0, VCPU_CR(r4) mtcr r0 ld r0, VCPU_GPR(R0)(r4) @@ -1137,7 +1137,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) * R3 = UV_RETURN */ ret_to_ultra: - lwz r0, VCPU_CR(r4) + ld r0, VCPU_CR(r4) mtcr r0 ld r0, VCPU_GPR(R3)(r4) diff --git a/arch/powerpc/lib/string_32.S b/arch/powerpc/lib/string_32.S index f69a6aab7bfb..1ddb26394e8a 100644 --- a/arch/powerpc/lib/string_32.S +++ b/arch/powerpc/lib/string_32.S @@ -17,7 +17,7 @@ CACHELINE_BYTES = L1_CACHE_BYTES LG_CACHELINE_BYTES = L1_CACHE_SHIFT CACHELINE_MASK = (L1_CACHE_BYTES-1) -_GLOBAL(__clear_user) +_GLOBAL(__arch_clear_user) /* * Use dcbz on the complete cache lines in the destination * to set them to zero. This requires that the destination @@ -87,4 +87,4 @@ _GLOBAL(__clear_user) EX_TABLE(8b, 91b) EX_TABLE(9b, 91b) -EXPORT_SYMBOL(__clear_user) +EXPORT_SYMBOL(__arch_clear_user) diff --git a/arch/powerpc/lib/string_64.S b/arch/powerpc/lib/string_64.S index 507b18b1660e..169872bc0892 100644 --- a/arch/powerpc/lib/string_64.S +++ b/arch/powerpc/lib/string_64.S @@ -17,7 +17,7 @@ PPC64_CACHES: .section ".text" /** - * __clear_user: - Zero a block of memory in user space, with less checking. + * __arch_clear_user: - Zero a block of memory in user space, with less checking. * @to: Destination address, in user space. * @n: Number of bytes to zero. * @@ -58,7 +58,7 @@ err3; stb r0,0(r3) mr r3,r4 blr -_GLOBAL_TOC(__clear_user) +_GLOBAL_TOC(__arch_clear_user) cmpdi r4,32 neg r6,r3 li r0,0 @@ -181,4 +181,4 @@ err1; dcbz 0,r3 cmpdi r4,32 blt .Lshort_clear b .Lmedium_clear -EXPORT_SYMBOL(__clear_user) +EXPORT_SYMBOL(__arch_clear_user) diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 9488b63dfc87..617c2777926f 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -289,6 +289,14 @@ void __init mem_init(void) BUILD_BUG_ON(MMU_PAGE_COUNT > 16); #ifdef CONFIG_SWIOTLB + /* + * Some platforms (e.g. 85xx) limit DMA-able memory way below + * 4G. We force memblock to bottom-up mode to ensure that the + * memory allocated in swiotlb_init() is DMA-able. + * As it's the last memblock allocation, no need to reset it + * back to to-down. + */ + memblock_set_bottom_up(true); swiotlb_init(0); #endif diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c index 090af2d2d3e4..96eb8e43f39b 100644 --- a/arch/powerpc/mm/nohash/8xx.c +++ b/arch/powerpc/mm/nohash/8xx.c @@ -103,7 +103,7 @@ static void mmu_patch_addis(s32 *site, long simm) patch_instruction_site(site, instr); } -void __init mmu_mapin_ram_chunk(unsigned long offset, unsigned long top, pgprot_t prot) +static void mmu_mapin_ram_chunk(unsigned long offset, unsigned long top, pgprot_t prot) { unsigned long s = offset; unsigned long v = PAGE_OFFSET + s; diff --git a/arch/powerpc/net/bpf_jit32.h b/arch/powerpc/net/bpf_jit32.h index 6e5a2a4faeab..4ec2a9f14f84 100644 --- a/arch/powerpc/net/bpf_jit32.h +++ b/arch/powerpc/net/bpf_jit32.h @@ -97,12 +97,12 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); #ifdef CONFIG_SMP #ifdef CONFIG_PPC64 #define PPC_BPF_LOAD_CPU(r) \ - do { BUILD_BUG_ON(FIELD_SIZEOF(struct paca_struct, paca_index) != 2); \ + do { BUILD_BUG_ON(sizeof_field(struct paca_struct, paca_index) != 2); \ PPC_LHZ_OFFS(r, 13, offsetof(struct paca_struct, paca_index)); \ } while (0) #else #define PPC_BPF_LOAD_CPU(r) \ - do { BUILD_BUG_ON(FIELD_SIZEOF(struct task_struct, cpu) != 4); \ + do { BUILD_BUG_ON(sizeof_field(struct task_struct, cpu) != 4); \ PPC_LHZ_OFFS(r, 2, offsetof(struct task_struct, cpu)); \ } while(0) #endif diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index d57b46e0dd60..0acc9d5fb19e 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -321,7 +321,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, ctx->seen |= SEEN_XREG | SEEN_MEM | (1<<(K & 0xf)); break; case BPF_LD | BPF_W | BPF_LEN: /* A = skb->len; */ - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, len) != 4); + BUILD_BUG_ON(sizeof_field(struct sk_buff, len) != 4); PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, len)); break; case BPF_LDX | BPF_W | BPF_ABS: /* A = *((u32 *)(seccomp_data + K)); */ @@ -333,16 +333,16 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, /*** Ancillary info loads ***/ case BPF_ANC | SKF_AD_PROTOCOL: /* A = ntohs(skb->protocol); */ - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, + BUILD_BUG_ON(sizeof_field(struct sk_buff, protocol) != 2); PPC_NTOHS_OFFS(r_A, r_skb, offsetof(struct sk_buff, protocol)); break; case BPF_ANC | SKF_AD_IFINDEX: case BPF_ANC | SKF_AD_HATYPE: - BUILD_BUG_ON(FIELD_SIZEOF(struct net_device, + BUILD_BUG_ON(sizeof_field(struct net_device, ifindex) != 4); - BUILD_BUG_ON(FIELD_SIZEOF(struct net_device, + BUILD_BUG_ON(sizeof_field(struct net_device, type) != 2); PPC_LL_OFFS(r_scratch1, r_skb, offsetof(struct sk_buff, dev)); @@ -365,17 +365,17 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, break; case BPF_ANC | SKF_AD_MARK: - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, mark) != 4); + BUILD_BUG_ON(sizeof_field(struct sk_buff, mark) != 4); PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, mark)); break; case BPF_ANC | SKF_AD_RXHASH: - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, hash) != 4); + BUILD_BUG_ON(sizeof_field(struct sk_buff, hash) != 4); PPC_LWZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, hash)); break; case BPF_ANC | SKF_AD_VLAN_TAG: - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2); + BUILD_BUG_ON(sizeof_field(struct sk_buff, vlan_tci) != 2); PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, vlan_tci)); @@ -388,7 +388,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, PPC_ANDI(r_A, r_A, 1); break; case BPF_ANC | SKF_AD_QUEUE: - BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, + BUILD_BUG_ON(sizeof_field(struct sk_buff, queue_mapping) != 2); PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, queue_mapping)); diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c index 273145aed90a..3d89569e9e71 100644 --- a/arch/powerpc/platforms/83xx/km83xx.c +++ b/arch/powerpc/platforms/83xx/km83xx.c @@ -34,7 +34,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include "mpc83xx.h" @@ -178,7 +177,7 @@ define_machine(mpc83xx_km) { .name = "mpc83xx-km-platform", .probe = mpc83xx_km_probe, .setup_arch = mpc83xx_km_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, + .init_IRQ = mpc83xx_ipic_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c index 6399865a625e..a952e91db3ee 100644 --- a/arch/powerpc/platforms/83xx/misc.c +++ b/arch/powerpc/platforms/83xx/misc.c @@ -14,7 +14,6 @@ #include <asm/io.h> #include <asm/hw_irq.h> #include <asm/ipic.h> -#include <soc/fsl/qe/qe_ic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> @@ -91,28 +90,6 @@ void __init mpc83xx_ipic_init_IRQ(void) ipic_set_default_priority(); } -#ifdef CONFIG_QUICC_ENGINE -void __init mpc83xx_qe_init_IRQ(void) -{ - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (!np) { - np = of_find_node_by_type(NULL, "qeic"); - if (!np) - return; - } - qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic); - of_node_put(np); -} - -void __init mpc83xx_ipic_and_qe_init_IRQ(void) -{ - mpc83xx_ipic_init_IRQ(); - mpc83xx_qe_init_IRQ(); -} -#endif /* CONFIG_QUICC_ENGINE */ - static const struct of_device_id of_bus_ids[] __initconst = { { .type = "soc", }, { .compatible = "soc", }, diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index b428835e5919..6fa5402ebf20 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -33,7 +33,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include "mpc83xx.h" @@ -102,7 +101,7 @@ define_machine(mpc832x_mds) { .name = "MPC832x MDS", .probe = mpc832x_sys_probe, .setup_arch = mpc832x_sys_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, + .init_IRQ = mpc83xx_ipic_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 4588ce632484..622c625d5ce4 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -22,7 +22,6 @@ #include <asm/ipic.h> #include <asm/udbg.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> @@ -220,7 +219,7 @@ define_machine(mpc832x_rdb) { .name = "MPC832x RDB", .probe = mpc832x_rdb_probe, .setup_arch = mpc832x_rdb_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, + .init_IRQ = mpc83xx_ipic_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 240a26d88b07..90d9cbfae659 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -40,7 +40,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include "mpc83xx.h" @@ -202,7 +201,7 @@ define_machine(mpc836x_mds) { .name = "MPC836x MDS", .probe = mpc836x_mds_probe, .setup_arch = mpc836x_mds_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, + .init_IRQ = mpc83xx_ipic_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c index 9923059cb111..b4aac2cde849 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c +++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c @@ -17,7 +17,6 @@ #include <asm/ipic.h> #include <asm/udbg.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> @@ -42,7 +41,7 @@ define_machine(mpc836x_rdk) { .name = "MPC836x RDK", .probe = mpc836x_rdk_probe, .setup_arch = mpc836x_rdk_setup_arch, - .init_IRQ = mpc83xx_ipic_and_qe_init_IRQ, + .init_IRQ = mpc83xx_ipic_init_IRQ, .get_irq = ipic_get_irq, .restart = mpc83xx_restart, .time_init = mpc83xx_time_init, diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h index 459145623334..f37d04332fc7 100644 --- a/arch/powerpc/platforms/83xx/mpc83xx.h +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -72,13 +72,6 @@ extern int mpc837x_usb_cfg(void); extern int mpc834x_usb_cfg(void); extern int mpc831x_usb_cfg(void); extern void mpc83xx_ipic_init_IRQ(void); -#ifdef CONFIG_QUICC_ENGINE -extern void mpc83xx_qe_init_IRQ(void); -extern void mpc83xx_ipic_and_qe_init_IRQ(void); -#else -static inline void __init mpc83xx_qe_init_IRQ(void) {} -#define mpc83xx_ipic_and_qe_init_IRQ mpc83xx_ipic_init_IRQ -#endif /* CONFIG_QUICC_ENGINE */ #ifdef CONFIG_PCI extern void mpc83xx_setup_pci(void); diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c index a328a741b457..27ac38f7e1a9 100644 --- a/arch/powerpc/platforms/85xx/corenet_generic.c +++ b/arch/powerpc/platforms/85xx/corenet_generic.c @@ -24,7 +24,6 @@ #include <asm/mpic.h> #include <asm/ehv_pic.h> #include <asm/swiotlb.h> -#include <soc/fsl/qe/qe_ic.h> #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> @@ -38,8 +37,6 @@ void __init corenet_gen_pic_init(void) unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU | MPIC_NO_RESET; - struct device_node *np; - if (ppc_md.get_irq == mpic_get_coreint_irq) flags |= MPIC_ENABLE_COREINT; @@ -47,13 +44,6 @@ void __init corenet_gen_pic_init(void) BUG_ON(mpic == NULL); mpic_init(mpic); - - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (np) { - qe_ic_init(np, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - of_node_put(np); - } } /* diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index 381a6ac8cb4b..7759eca7d535 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -44,7 +44,6 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include <asm/mpic.h> #include <asm/swiotlb.h> #include "smp.h" @@ -268,33 +267,8 @@ static void __init mpc85xx_mds_qe_init(void) } } -static void __init mpc85xx_mds_qeic_init(void) -{ - struct device_node *np; - - np = of_find_compatible_node(NULL, NULL, "fsl,qe"); - if (!of_device_is_available(np)) { - of_node_put(np); - return; - } - - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (!np) { - np = of_find_node_by_type(NULL, "qeic"); - if (!np) - return; - } - - if (machine_is(p1021_mds)) - qe_ic_init(np, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - else - qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL); - of_node_put(np); -} #else static void __init mpc85xx_mds_qe_init(void) { } -static void __init mpc85xx_mds_qeic_init(void) { } #endif /* CONFIG_QUICC_ENGINE */ static void __init mpc85xx_mds_setup_arch(void) @@ -364,7 +338,6 @@ static void __init mpc85xx_mds_pic_init(void) BUG_ON(mpic == NULL); mpic_init(mpic); - mpc85xx_mds_qeic_init(); } static int __init mpc85xx_mds_probe(void) diff --git a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c index 7f9a84f85766..80a80174768c 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_rdb.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_rdb.c @@ -23,7 +23,6 @@ #include <asm/udbg.h> #include <asm/mpic.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> @@ -44,10 +43,6 @@ void __init mpc85xx_rdb_pic_init(void) { struct mpic *mpic; -#ifdef CONFIG_QUICC_ENGINE - struct device_node *np; -#endif - if (of_machine_is_compatible("fsl,MPC85XXRDB-CAMP")) { mpic = mpic_alloc(NULL, 0, MPIC_NO_RESET | MPIC_BIG_ENDIAN | @@ -62,18 +57,6 @@ void __init mpc85xx_rdb_pic_init(void) BUG_ON(mpic == NULL); mpic_init(mpic); - -#ifdef CONFIG_QUICC_ENGINE - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (np) { - qe_ic_init(np, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - of_node_put(np); - - } else - pr_err("%s: Could not find qe-ic node\n", __func__); -#endif - } /* diff --git a/arch/powerpc/platforms/85xx/twr_p102x.c b/arch/powerpc/platforms/85xx/twr_p102x.c index 6c3c0cdaee9a..9abb1e9f73c4 100644 --- a/arch/powerpc/platforms/85xx/twr_p102x.c +++ b/arch/powerpc/platforms/85xx/twr_p102x.c @@ -19,7 +19,6 @@ #include <asm/udbg.h> #include <asm/mpic.h> #include <soc/fsl/qe/qe.h> -#include <soc/fsl/qe/qe_ic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> @@ -31,26 +30,12 @@ static void __init twr_p1025_pic_init(void) { struct mpic *mpic; -#ifdef CONFIG_QUICC_ENGINE - struct device_node *np; -#endif - mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); mpic_init(mpic); - -#ifdef CONFIG_QUICC_ENGINE - np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); - if (np) { - qe_ic_init(np, 0, qe_ic_cascade_low_mpic, - qe_ic_cascade_high_mpic); - of_node_put(np); - } else - pr_err("Could not find qe-ic node\n"); -#endif } /* ************************************************************************ diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index 91571841df8a..9dba7e880885 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -539,6 +539,16 @@ static int cmm_migratepage(struct balloon_dev_info *b_dev_info, /* balloon page list reference */ get_page(newpage); + /* + * When we migrate a page to a different zone, we have to fixup the + * count of both involved zones as we adjusted the managed page count + * when inflating. + */ + if (page_zone(page) != page_zone(newpage)) { + adjust_managed_page_count(page, 1); + adjust_managed_page_count(newpage, -1); + } + spin_lock_irqsave(&b_dev_info->pages_lock, flags); balloon_page_insert(b_dev_info, newpage); balloon_page_delete(page); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 0a40201f315f..0c8421dd01ab 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -74,6 +74,9 @@ #include "pseries.h" #include "../../../../drivers/pci/pci.h" +DEFINE_STATIC_KEY_FALSE(shared_processor); +EXPORT_SYMBOL_GPL(shared_processor); + int CMO_PrPSP = -1; int CMO_SecPSP = -1; unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K); @@ -758,6 +761,10 @@ static void __init pSeries_setup_arch(void) if (firmware_has_feature(FW_FEATURE_LPAR)) { vpa_init(boot_cpuid); + + if (lppaca_shared_proc(get_lppaca())) + static_branch_enable(&shared_processor); + ppc_md.power_save = pseries_lpar_idle; ppc_md.enable_pmcs = pseries_lpar_enable_pmcs; #ifdef CONFIG_PCI_IOV |
