diff mbox series

[v2,2/3] perf/smmuv3: Add a MODULE_SOFTDEP() to indicate dependency on SMMU

Message ID 20210126134128.1368-3-thunder.leizhen@huawei.com (mailing list archive)
State New, archived
Headers show
Series perf/smmuv3: Don't reserve the PMCG register spaces | expand

Commit Message

Leizhen (ThunderTown) Jan. 26, 2021, 1:41 p.m. UTC 
The MODULE_SOFTDEP() gives user space a hint of the loading sequence. And
when command "modprobe arm_smmuv3_pmu" is executed, the arm_smmu_v3.ko is
automatically loaded in advance.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index e5e505a0804fe53..9a305ac51208cd2 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -950,6 +950,7 @@  static void __exit arm_smmu_pmu_exit(void)
 module_exit(arm_smmu_pmu_exit);
 
 MODULE_DESCRIPTION("PMU driver for ARM SMMUv3 Performance Monitors Extension");
+MODULE_SOFTDEP("pre: arm_smmu_v3");
 MODULE_AUTHOR("Neil Leeder <nleeder@codeaurora.org>");
 MODULE_AUTHOR("Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>");
 MODULE_LICENSE("GPL v2");