diff options
| author |   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-01-14 18:08:41 -0600 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-02-25 15:57:02 +0530 |
| commit | dff70572e9a3a1a01d9dbc2279faa784d95f41b6 (patch) | |
| tree | 0c4499562f632b06c384326f4a2a05a57a661859 /drivers/soundwire/bus.c | |
| parent | soundwire: bus: add helper to clear Slave status to UNATTACHED (diff) | |
| download | linux-dev-dff70572e9a3a1a01d9dbc2279faa784d95f41b6.tar.xz linux-dev-dff70572e9a3a1a01d9dbc2279faa784d95f41b6.zip | |
soundwire: bus: disable pm_runtime in sdw_slave_delete
Before removing the slave device, disable pm_runtime to prevent any
race condition with the resume being executed after the bus and slave
devices are removed.
Since this pm_runtime_disable() is handled in common routines,
implementations of Slave drivers do not need to call it in their
.remove() routine.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200115000844.14695-8-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/bus.c')
| -rw-r--r-- | drivers/soundwire/bus.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 57dec61142e5..33bb273454cf 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -113,6 +113,8 @@ static int sdw_delete_slave(struct device *dev, void *data) struct sdw_slave *slave = dev_to_sdw_dev(dev); struct sdw_bus *bus = slave->bus; + pm_runtime_disable(dev); + sdw_slave_debugfs_exit(slave); mutex_lock(&bus->bus_lock); |