From: Suzuki K Poulose suzuki.poulose@arm.com
[ Upstream commit c7f5828bf77dcbd61d51f4736c1d5aa35663fbb4 ]
When the PMU driver is built as a module, the perf expects the pmu->module to be valid, so that the driver is prevented from being unloaded while it is in use. Fix the CCN pmu driver to fill in this field.
Fixes: a33b0daab73a0 ("bus: ARM CCN PMU driver") Cc: Pawel Moll pawel.moll@arm.com Cc: Will Deacon will.deacon@arm.com Acked-by: Mark Rutland mark.rutland@arm.com Signed-off-by: Suzuki K Poulose suzuki.poulose@arm.com Signed-off-by: Will Deacon will.deacon@arm.com Signed-off-by: Sasha Levin alexander.levin@verizon.com --- drivers/bus/arm-ccn.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index e8c6946fed9d..3063f5312397 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -1276,6 +1276,7 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn)
/* Perf driver registration */ ccn->dt.pmu = (struct pmu) { + .module = THIS_MODULE, .attr_groups = arm_ccn_pmu_attr_groups, .task_ctx_nr = perf_invalid_context, .event_init = arm_ccn_pmu_event_init,