[Linuxarm] [PATCH] drivers/perf: Prevent forced unbinding of ARM_DMC620_PMU drivers

Set "suppress_bind_attrs" to true, so that bind/unbind can be disabled via sysfs and prevent unbinding ARM_DMC620_PMU drivers during perf sampling.

Signed-off-by: Qi Liu liuqi115@huawei.com --- drivers/perf/arm_dmc620_pmu.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c index 27f54c0..66ad5b3 100644 --- a/drivers/perf/arm_dmc620_pmu.c +++ b/drivers/perf/arm_dmc620_pmu.c @@ -717,6 +717,7 @@ static struct platform_driver dmc620_pmu_driver = { .driver = { .name = DMC620_DRVNAME, .acpi_match_table = dmc620_acpi_match, + .suppress_bind_attrs = true, }, .probe = dmc620_pmu_device_probe, .remove = dmc620_pmu_device_remove, -- 2.8.1