From 86cdd72af936860503f392825410d1b60a3e474e Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Fri, 9 Sep 2016 14:08:26 +0100 Subject: drivers/perf: arm_pmu: add common attr group fields In preparation for adding common attribute groups, add an array of attribute group pointers to arm_pmu, which will be used if the backend hasn't already set pmu::attr_groups. Subsequent patches will move backends over to using these, before adding common fields. Signed-off-by: Mark Rutland Cc: Will Deacon Signed-off-by: Will Deacon --- drivers/perf/arm_pmu.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/perf') diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 193a68cc2af4..1a39899d1392 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -1037,6 +1037,9 @@ int arm_pmu_device_probe(struct platform_device *pdev, goto out_free; } + if (!pmu->pmu.attr_groups) + pmu->pmu.attr_groups = pmu->attr_groups; + ret = cpu_pmu_init(pmu); if (ret) goto out_free; -- cgit