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authorPaolo Bonzini <pbonzini@redhat.com>2020-09-22 06:43:17 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-09-22 06:43:17 -0400
commitbf3c0e5e7102f5787d693379d9d384b813fe890b (patch)
treeaa48fc57dee9ecdf99918affa38d1b06be41419a /arch/arc/kernel/perf_event.c
parent32251b07d532174d66941488c112ec046f646157 (diff)
parent976bc5e2aceedef13e0ba1f0e6e372a22164aa0c (diff)
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Merge branch 'x86-seves-for-paolo' of https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD
Diffstat (limited to 'arch/arc/kernel/perf_event.c')
-rw-r--r--arch/arc/kernel/perf_event.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 661fd842ea97..79849f37e782 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -562,7 +562,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
{
struct arc_reg_pct_build pct_bcr;
struct arc_reg_cc_build cc_bcr;
- int i, has_interrupts;
+ int i, has_interrupts, irq;
int counter_size; /* in bits */
union cc_name {
@@ -637,13 +637,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
.attr_groups = arc_pmu->attr_groups,
};
- if (has_interrupts) {
- int irq = platform_get_irq(pdev, 0);
-
- if (irq < 0) {
- pr_err("Cannot get IRQ number for the platform\n");
- return -ENODEV;
- }
+ if (has_interrupts && (irq = platform_get_irq(pdev, 0) >= 0)) {
arc_pmu->irq = irq;
@@ -652,9 +646,9 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
this_cpu_ptr(&arc_pmu_cpu));
on_each_cpu(arc_cpu_pmu_irq_init, &irq, 1);
-
- } else
+ } else {
arc_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;
+ }
/*
* perf parser doesn't really like '-' symbol in events name, so let's