arm: 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/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index 1506385..b942349 100644 (file)
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -596,12 +596,6 @@ static struct attribute_group armv7_pmuv1_events_attr_group = {
        .attrs = armv7_pmuv1_event_attrs,
 };
 
-static const struct attribute_group *armv7_pmuv1_attr_groups[] = {
-       &armv7_pmuv1_events_attr_group,
-       &armv7_pmu_format_attr_group,
-       NULL,
-};
-
 ARMV7_EVENT_ATTR(mem_access, ARMV7_PERFCTR_MEM_ACCESS);
 ARMV7_EVENT_ATTR(l1i_cache, ARMV7_PERFCTR_L1_ICACHE_ACCESS);
 ARMV7_EVENT_ATTR(l1d_cache_wb, ARMV7_PERFCTR_L1_DCACHE_WB);
@@ -653,12 +647,6 @@ static struct attribute_group armv7_pmuv2_events_attr_group = {
        .attrs = armv7_pmuv2_event_attrs,
 };
 
-static const struct attribute_group *armv7_pmuv2_attr_groups[] = {
-       &armv7_pmuv2_events_attr_group,
-       &armv7_pmu_format_attr_group,
-       NULL,
-};
-
 /*
  * Perf Events' indices
  */
@@ -1208,7 +1196,10 @@ static int armv7_a8_pmu_init(struct arm_pmu *cpu_pmu)
        armv7pmu_init(cpu_pmu);
        cpu_pmu->name           = "armv7_cortex_a8";
        cpu_pmu->map_event      = armv7_a8_map_event;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv1_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv1_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1217,7 +1208,10 @@ static int armv7_a9_pmu_init(struct arm_pmu *cpu_pmu)
        armv7pmu_init(cpu_pmu);
        cpu_pmu->name           = "armv7_cortex_a9";
        cpu_pmu->map_event      = armv7_a9_map_event;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv1_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv1_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1226,7 +1220,10 @@ static int armv7_a5_pmu_init(struct arm_pmu *cpu_pmu)
        armv7pmu_init(cpu_pmu);
        cpu_pmu->name           = "armv7_cortex_a5";
        cpu_pmu->map_event      = armv7_a5_map_event;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv1_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv1_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1236,7 +1233,10 @@ static int armv7_a15_pmu_init(struct arm_pmu *cpu_pmu)
        cpu_pmu->name           = "armv7_cortex_a15";
        cpu_pmu->map_event      = armv7_a15_map_event;
        cpu_pmu->set_event_filter = armv7pmu_set_event_filter;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv2_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv2_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1246,7 +1246,10 @@ static int armv7_a7_pmu_init(struct arm_pmu *cpu_pmu)
        cpu_pmu->name           = "armv7_cortex_a7";
        cpu_pmu->map_event      = armv7_a7_map_event;
        cpu_pmu->set_event_filter = armv7pmu_set_event_filter;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv2_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv2_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1256,7 +1259,10 @@ static int armv7_a12_pmu_init(struct arm_pmu *cpu_pmu)
        cpu_pmu->name           = "armv7_cortex_a12";
        cpu_pmu->map_event      = armv7_a12_map_event;
        cpu_pmu->set_event_filter = armv7pmu_set_event_filter;
-       cpu_pmu->pmu.attr_groups = armv7_pmuv2_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv2_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return armv7_probe_num_events(cpu_pmu);
 }
 
@@ -1264,7 +1270,10 @@ static int armv7_a17_pmu_init(struct arm_pmu *cpu_pmu)
 {
        int ret = armv7_a12_pmu_init(cpu_pmu);
        cpu_pmu->name = "armv7_cortex_a17";
-       cpu_pmu->pmu.attr_groups = armv7_pmuv2_attr_groups;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+               &armv7_pmuv2_events_attr_group;
+       cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+               &armv7_pmu_format_attr_group;
        return ret;
 }