arm64: perf: move to common attr_group fields

By using a common attr_groups array, the common arm_pmu code can set up
common files (e.g. cpumask) for us in subsequent patches.

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>

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index ea64f01..03a1366 100644 (file)
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -523,12 +523,6 @@ static struct attribute_group armv8_pmuv3_format_attr_group = {
        .attrs = armv8_pmuv3_format_attrs,
 };
 
-static const struct attribute_group *armv8_pmuv3_attr_groups[] = {
-       &armv8_pmuv3_events_attr_group,
-       &armv8_pmuv3_format_attr_group,
-       NULL,
-};
-
 /*
  * Perf Events' indices
  */
@@ -985,7 +979,10 @@ static int armv8_pmuv3_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_pmuv3";
        cpu_pmu->map_event              = armv8_pmuv3_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }
 
@@ -994,7 +991,10 @@ static int armv8_a53_pmu_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_cortex_a53";
        cpu_pmu->map_event              = armv8_a53_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }
 
@@ -1003,7 +1003,10 @@ static int armv8_a57_pmu_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_cortex_a57";
        cpu_pmu->map_event              = armv8_a57_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }
 
@@ -1012,7 +1015,10 @@ static int armv8_a72_pmu_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_cortex_a72";
        cpu_pmu->map_event              = armv8_a57_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }
 
@@ -1021,7 +1027,10 @@ static int armv8_thunder_pmu_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_cavium_thunder";
        cpu_pmu->map_event              = armv8_thunder_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }
 
@@ -1030,7 +1039,10 @@ static int armv8_vulcan_pmu_init(struct arm_pmu *cpu_pmu)
        armv8_pmu_init(cpu_pmu);
        cpu_pmu->name                   = "armv8_brcm_vulcan";
        cpu_pmu->map_event              = armv8_vulcan_map_event;
-       cpu_pmu->pmu.attr_groups        = armv8_pmuv3_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv8_pmuv3_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv8_pmuv3_format_attr_group;
        return armv8pmu_probe_pmu(cpu_pmu);
 }