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authorMark Rutland <mark.rutland@arm.com>2018-02-05 17:41:56 +0100
committerWill Deacon <will.deacon@arm.com>2018-02-20 12:34:53 +0100
commitc0248c96631f38f02d58762fc018e316843acac8 (patch)
tree3a716695fa283979fbe6e73e77f18ce8b69ed2c8 /drivers/perf
parentARM: ux500: remove PMU IRQ bouncer (diff)
downloadlinux-c0248c96631f38f02d58762fc018e316843acac8.tar.xz
linux-c0248c96631f38f02d58762fc018e316843acac8.zip
arm_pmu: kill arm_pmu_platdata
Now that we have no platforms passing platform data to the arm_pmu code, we can get rid of the platdata and associated hooks, paving the way for rework of our IRQ handling. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm_pmu.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 7bc5eee96b31..82b09d1cb42c 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -17,7 +17,6 @@
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/perf/arm_pmu.h>
-#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/sched/clock.h>
#include <linux/spinlock.h>
@@ -320,17 +319,9 @@ validate_group(struct perf_event *event)
return 0;
}
-static struct arm_pmu_platdata *armpmu_get_platdata(struct arm_pmu *armpmu)
-{
- struct platform_device *pdev = armpmu->plat_device;
-
- return pdev ? dev_get_platdata(&pdev->dev) : NULL;
-}
-
static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
{
struct arm_pmu *armpmu;
- struct arm_pmu_platdata *plat;
int ret;
u64 start_clock, finish_clock;
@@ -342,13 +333,8 @@ static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
*/
armpmu = *(void **)dev;
- plat = armpmu_get_platdata(armpmu);
-
start_clock = sched_clock();
- if (plat && plat->handle_irq)
- ret = plat->handle_irq(irq, armpmu, armpmu->handle_irq);
- else
- ret = armpmu->handle_irq(irq, armpmu);
+ ret = armpmu->handle_irq(irq, armpmu);
finish_clock = sched_clock();
perf_sample_event_took(finish_clock - start_clock);
@@ -578,7 +564,6 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu)
goto err_out;
}
} else {
- struct arm_pmu_platdata *platdata = armpmu_get_platdata(armpmu);
unsigned long irq_flags;
err = irq_force_affinity(irq, cpumask_of(cpu));
@@ -589,13 +574,9 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu)
goto err_out;
}
- if (platdata && platdata->irq_flags) {
- irq_flags = platdata->irq_flags;
- } else {
- irq_flags = IRQF_PERCPU |
- IRQF_NOBALANCING |
- IRQF_NO_THREAD;
- }
+ irq_flags = IRQF_PERCPU |
+ IRQF_NOBALANCING |
+ IRQF_NO_THREAD;
err = request_irq(irq, handler, irq_flags, "arm-pmu",
per_cpu_ptr(&hw_events->percpu_pmu, cpu));