arm: perf: make of_device_ids const

of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 96b7a477a8db40b60551e03ecc6ecc3ef7fea236..8226d0b71fd330605cbaa813ad7f330615c75461 100644 (file)
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -552,7 +552,7 @@ static int armv6mpcore_pmu_init(struct arm_pmu *cpu_pmu)
        return 0;
 }
 
-static struct of_device_id armv6_pmu_of_device_ids[] = {
+static const struct of_device_id armv6_pmu_of_device_ids[] = {
        {.compatible = "arm,arm11mpcore-pmu",   .data = armv6mpcore_pmu_init},
        {.compatible = "arm,arm1176-pmu",       .data = armv6_1176_pmu_init},
        {.compatible = "arm,arm1136-pmu",       .data = armv6_1136_pmu_init},