arm64: pmu: Hoist pmu platform device name

Move the PMU name into a common header file so it may
be referenced by other users.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 92dbe88..a9310a6 100644 (file)
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1111,7 +1111,7 @@ static int armv8_pmu_device_probe(struct platform_device *pdev)
 
 static struct platform_driver armv8_pmu_driver = {
        .driver         = {
-               .name   = "armv8-pmu",
+               .name   = ARMV8_PMU_PDEV_NAME,
                .of_match_table = armv8_pmu_of_device_ids,
        },
        .probe          = armv8_pmu_device_probe,

diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h
index dc1f2f3..9ff07d3 100644 (file)
--- a/include/linux/perf/arm_pmu.h
+++ b/include/linux/perf/arm_pmu.h
@@ -160,6 +160,8 @@ int arm_pmu_device_probe(struct platform_device *pdev,
                         const struct of_device_id *of_table,
                         const struct pmu_probe_info *probe_table);
 
+#define ARMV8_PMU_PDEV_NAME "armv8-pmu"
+
 #endif /* CONFIG_ARM_PMU */
 
 #endif /* __ARM_PMU_H__ */