[alsa-devel] [PATCH v2 14/19] soundwire: intel: disable pm_runtime when removing a master
Pierre-Louis Bossart
pierre-louis.bossart at linux.intel.com
Wed Nov 6 20:22:18 CET 2019
Prevent race conditions between remove and resume by disabling
pm_runtime.
Note that this only takes care of pm_runtime at the Master level, the
same precautions are needed when removing a Slave device.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
---
drivers/soundwire/intel.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 36e09e273eda..f0f9a6252522 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1275,6 +1275,8 @@ static int intel_master_remove(struct sdw_master_device *md)
{
struct sdw_intel *sdw;
+ pm_runtime_disable(&md->dev);
+
sdw = md->pdata;
if (!sdw->cdns.bus.prop.hw_disabled) {
--
2.20.1
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