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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-02-19 09:44:55 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-19 09:44:55 +0000
commit0fff6b9a4e0aba233a2ff644316d29b0cb784e33 (patch)
tree3ba99effedac4a1179fe578e5c0cb81e93bccfbf /arch/arm/kernel
parent0cc9d5257857608ba85885b75fcada13d359b5d1 (diff)
parentaa90eb9d9d39d6e312b822cfa1512bb76e0e1df3 (diff)
Merge branch 'pmu-for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into devel-stable
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/perf_event.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index d150ad1ccb5..22e194eb853 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -377,9 +377,18 @@ validate_group(struct perf_event *event)
return 0;
}
+static irqreturn_t armpmu_platform_irq(int irq, void *dev)
+{
+ struct arm_pmu_platdata *plat = dev_get_platdata(&pmu_device->dev);
+
+ return plat->handle_irq(irq, dev, armpmu->handle_irq);
+}
+
static int
armpmu_reserve_hardware(void)
{
+ struct arm_pmu_platdata *plat;
+ irq_handler_t handle_irq;
int i, err = -ENODEV, irq;
pmu_device = reserve_pmu(ARM_PMU_DEVICE_CPU);
@@ -390,6 +399,12 @@ armpmu_reserve_hardware(void)
init_pmu(ARM_PMU_DEVICE_CPU);
+ plat = dev_get_platdata(&pmu_device->dev);
+ if (plat && plat->handle_irq)
+ handle_irq = armpmu_platform_irq;
+ else
+ handle_irq = armpmu->handle_irq;
+
if (pmu_device->num_resources < 1) {
pr_err("no irqs for PMUs defined\n");
return -ENODEV;
@@ -400,7 +415,7 @@ armpmu_reserve_hardware(void)
if (irq < 0)
continue;
- err = request_irq(irq, armpmu->handle_irq,
+ err = request_irq(irq, handle_irq,
IRQF_DISABLED | IRQF_NOBALANCING,
"armpmu", NULL);
if (err) {