[PATCH v3 2/3] perf/smmuv3: Add a MODULE_SOFTDEP() to indicate dependency on SMMU

[Zhen Lei]

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 at huawei.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 1 +
 1 file changed, 1 insertion(+)

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 at codeaurora.org>");
 MODULE_AUTHOR("Shameer Kolothum <shameerali.kolothum.thodi at huawei.com>");
 MODULE_LICENSE("GPL v2");
-- 
1.8.3