diff options
author | David Brown <davidb@codeaurora.org> | 2011-03-16 22:13:16 -0700 |
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committer | David Brown <davidb@codeaurora.org> | 2011-03-16 22:13:16 -0700 |
commit | 92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch) | |
tree | 6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /arch/arm/kernel/pmu.c | |
parent | 8e76a80960bf06c245160a484d5a363ca6b520bb (diff) | |
parent | 05e34754518b6a90d5c392790c032575fab12d66 (diff) |
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits)
ARM: 6806/1: irq: introduce entry and exit functions for chained handlers
ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas
ARM: 6747/1: P2V: Thumb2 support
ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump
ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode
ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9
ARM: 6772/1: errata: possible fault MMU translations following an ASID switch
ARM: 6776/1: mach-ux500: activate fix for errata 753970
ARM: 6794/1: SPEAr: Append UL to device address macros.
ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files
ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros
ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code
ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry
ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci
ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h
ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files.
ARM: 6681/1: SPEAr: add debugfs support to clk API
ARM: 6703/1: SPEAr: update clk API support
ARM: 6679/1: SPEAr: make clk API functions more generic
ARM: 6737/1: SPEAr: formalized timer support
...
Conflicts:
arch/arm/mach-msm/board-msm7x27.c
arch/arm/mach-msm/board-msm7x30.c
arch/arm/mach-msm/board-qsd8x50.c
arch/arm/mach-msm/board-sapphire.c
arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'arch/arm/kernel/pmu.c')
-rw-r--r-- | arch/arm/kernel/pmu.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm/kernel/pmu.c b/arch/arm/kernel/pmu.c index b8af96ea62e..2c79eec1926 100644 --- a/arch/arm/kernel/pmu.c +++ b/arch/arm/kernel/pmu.c @@ -97,28 +97,34 @@ set_irq_affinity(int irq, irq, cpu); return err; #else - return 0; + return -EINVAL; #endif } static int init_cpu_pmu(void) { - int i, err = 0; + int i, irqs, err = 0; struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU]; - if (!pdev) { - err = -ENODEV; - goto out; - } + if (!pdev) + return -ENODEV; + + irqs = pdev->num_resources; + + /* + * If we have a single PMU interrupt that we can't shift, assume that + * we're running on a uniprocessor machine and continue. + */ + if (irqs == 1 && !irq_can_set_affinity(platform_get_irq(pdev, 0))) + return 0; - for (i = 0; i < pdev->num_resources; ++i) { + for (i = 0; i < irqs; ++i) { err = set_irq_affinity(platform_get_irq(pdev, i), i); if (err) break; } -out: return err; } |