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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-15 09:26:12 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-15 09:26:12 -0700 |
commit | 133d970e0dadf7b413db19893acc5b26664bf4a1 (patch) | |
tree | ea10732ca1d0f663ef1319973947a7c72cf170e7 /arch/mips/kernel/smp-gic.c | |
parent | 050aaeab99067b6a08b34274ff15ca5dbb94a160 (diff) | |
parent | 38b8767462120c62a5046b529c80b06861f9ac85 (diff) | |
download | blackbird-obmc-linux-133d970e0dadf7b413db19893acc5b26664bf4a1.tar.gz blackbird-obmc-linux-133d970e0dadf7b413db19893acc5b26664bf4a1.zip |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
"This is the main MIPS pull request for 4.9:
MIPS core arch code:
- traps: 64bit kernels should read CP0_EBase 64bit
- traps: Convert ebase to KSEG0
- c-r4k: Drop bc_wback_inv() from icache flush
- c-r4k: Split user/kernel flush_icache_range()
- cacheflush: Use __flush_icache_user_range()
- uprobes: Flush icache via kernel address
- KVM: Use __local_flush_icache_user_range()
- c-r4k: Fix flush_icache_range() for EVA
- Fix -mabi=64 build of vdso.lds
- VDSO: Drop duplicated -I*/-E* aflags
- tracing: move insn_has_delay_slot to a shared header
- tracing: disable uprobe/kprobe on compact branch instructions
- ptrace: Fix regs_return_value for kernel context
- Squash lines for simple wrapper functions
- Move identification of VP(E) into proc.c from smp-mt.c
- Add definitions of SYNC barrierstype values
- traps: Ensure full EBase is written
- tlb-r4k: If there are wired entries, don't use TLBINVF
- Sanitise coherentio semantics
- dma-default: Don't check hw_coherentio if device is non-coherent
- Support per-device DMA coherence
- Adjust MIPS64 CAC_BASE to reflect Config.K0
- Support generating Flattened Image Trees (.itb)
- generic: Introduce generic DT-based board support
- generic: Convert SEAD-3 to a generic board
- Enable hardened usercopy
- Don't specify STACKPROTECTOR in defconfigs
Octeon:
- Delete dead code and files across the platform.
- Change to use all memory into use by default.
- Rename upper case variables in setup code to lowercase.
- Delete legacy hack for broken bootloaders.
- Leave maintaining the link state to the actual ethernet/PHY drivers.
- Add DTS for D-Link DSR-500N.
- Fix PCI interrupt routing on D-Link DSR-500N.
Pistachio:
- Remove ANDROID_TIMED_OUTPUT from defconfig
TX39xx:
- Move GPIO setup from .mem_setup() to .arch_init()
- Convert to Common Clock Framework
TX49xx:
- Move GPIO setup from .mem_setup() to .arch_init()
- Convert to Common Clock Framework
txx9wdt:
- Add missing clock (un)prepare calls for CCF
BMIPS:
- Add PW, GPIO SDHCI and NAND device node names
- Support APPENDED_DTB
- Add missing bcm97435svmb to DT_NONE
- Rename bcm96358nb4ser to bcm6358-neufbox4-sercom
- Add DT examples for BCM63268, BCM3368 and BCM6362
- Add support for BCM3368 and BCM6362
PCI
- Reduce stack frame usage
- Use struct list_head lists
- Support for CONFIG_PCI_DOMAINS_GENERIC
- Make pcibios_set_cache_line_size an initcall
- Inline pcibios_assign_all_busses
- Split pci.c into pci.c & pci-legacy.c
- Introduce CONFIG_PCI_DRIVERS_LEGACY
- Support generic drivers
CPC
- Convert bare 'unsigned' to 'unsigned int'
- Avoid lock when MIPS CM >= 3 is present
GIC:
- Delete unused file smp-gic.c
mt7620:
- Delete unnecessary assignment for the field "owner" from PCI
BCM63xx:
- Let clk_disable() return immediately if clk is NULL
pm-cps:
- Change FSB workaround to CPU blacklist
- Update comments on barrier instructions
- Use MIPS standard lightweight ordering barrier
- Use MIPS standard completion barrier
- Remove selection of sync types
- Add MIPSr6 CPU support
- Support CM3 changes to Coherence Enable Register
SMP:
- Wrap call to mips_cpc_lock_other in mips_cm_lock_other
- Introduce mechanism for freeing and allocating IPIs
cpuidle:
- cpuidle-cps: Enable use with MIPSr6 CPUs.
SEAD3:
- Rewrite to use DT and generic kernel feature.
USB:
- host: ehci-sead3: Remove SEAD-3 EHCI code
FBDEV:
- cobalt_lcdfb: Drop SEAD3 support
dt-bindings:
- Document a binding for simple ASCII LCDs
auxdisplay:
- img-ascii-lcd: driver for simple ASCII LCD displays
irqchip i8259:
- i8259: Add domain before mapping parent irq
- i8259: Allow platforms to override poll function
- i8259: Remove unused i8259A_irq_pending
Malta:
- Rewrite to use DT
of/platform:
- Probe "isa" busses by default
CM:
- Print CM error reports upon bus errors
Module:
- Migrate exception table users off module.h and onto extable.h
- Make various drivers explicitly non-modular:
- Audit and remove any unnecessary uses of module.h
mailmap:
- Canonicalize to Qais' current email address.
Documentation:
- MIPS supports HAVE_REGS_AND_STACK_ACCESS_API
Loongson1C:
- Add CPU support for Loongson1C
- Add board support
- Add defconfig
- Add RTC support for Loongson1C board
All this except one Documentation fix has sat in linux-next and has
survived Imagination's automated build test system"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (127 commits)
Documentation: MIPS supports HAVE_REGS_AND_STACK_ACCESS_API
MIPS: ptrace: Fix regs_return_value for kernel context
MIPS: VDSO: Drop duplicated -I*/-E* aflags
MIPS: Fix -mabi=64 build of vdso.lds
MIPS: Enable hardened usercopy
MIPS: generic: Convert SEAD-3 to a generic board
MIPS: generic: Introduce generic DT-based board support
MIPS: Support generating Flattened Image Trees (.itb)
MIPS: Adjust MIPS64 CAC_BASE to reflect Config.K0
MIPS: Print CM error reports upon bus errors
MIPS: Support per-device DMA coherence
MIPS: dma-default: Don't check hw_coherentio if device is non-coherent
MIPS: Sanitise coherentio semantics
MIPS: PCI: Support generic drivers
MIPS: PCI: Introduce CONFIG_PCI_DRIVERS_LEGACY
MIPS: PCI: Split pci.c into pci.c & pci-legacy.c
MIPS: PCI: Inline pcibios_assign_all_busses
MIPS: PCI: Make pcibios_set_cache_line_size an initcall
MIPS: PCI: Support for CONFIG_PCI_DOMAINS_GENERIC
MIPS: PCI: Use struct list_head lists
...
Diffstat (limited to 'arch/mips/kernel/smp-gic.c')
-rw-r--r-- | arch/mips/kernel/smp-gic.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/mips/kernel/smp-gic.c b/arch/mips/kernel/smp-gic.c deleted file mode 100644 index 9b63829cf929..000000000000 --- a/arch/mips/kernel/smp-gic.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (C) 2013 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> - * - * Based on smp-cmp.c: - * Copyright (C) 2007 MIPS Technologies, Inc. - * Author: Chris Dearman (chris@mips.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/irqchip/mips-gic.h> -#include <linux/printk.h> - -#include <asm/mips-cpc.h> -#include <asm/smp-ops.h> - -void gic_send_ipi_single(int cpu, unsigned int action) -{ - unsigned long flags; - unsigned int intr; - unsigned int core = cpu_data[cpu].core; - - pr_debug("CPU%d: %s cpu %d action %u status %08x\n", - smp_processor_id(), __func__, cpu, action, read_c0_status()); - - local_irq_save(flags); - - switch (action) { - case SMP_CALL_FUNCTION: - intr = plat_ipi_call_int_xlate(cpu); - break; - - case SMP_RESCHEDULE_YOURSELF: - intr = plat_ipi_resched_int_xlate(cpu); - break; - - default: - BUG(); - } - - gic_send_ipi(intr); - - if (mips_cpc_present() && (core != current_cpu_data.core)) { - while (!cpumask_test_cpu(cpu, &cpu_coherent_mask)) { - mips_cm_lock_other(core, 0); - mips_cpc_lock_other(core); - write_cpc_co_cmd(CPC_Cx_CMD_PWRUP); - mips_cpc_unlock_other(); - mips_cm_unlock_other(); - } - } - - local_irq_restore(flags); -} - -void gic_send_ipi_mask(const struct cpumask *mask, unsigned int action) -{ - unsigned int i; - - for_each_cpu(i, mask) - gic_send_ipi_single(i, action); -} |