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drivers/perf: Prevent forced unbinding of ARM_DMC620_PMU drivers

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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>
Link: https://lore.kernel.org/r/1612252686-50329-1-git-send-email-liuqi115@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Qi Liu
2021-02-02 15:58:06 +08:00
committed by Will Deacon
parent 1c8147ea89
commit 20116dd93f
1 changed files with 1 additions and 0 deletions
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drivers/perf/arm_dmc620_pmu.c
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@@ -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,