diff options
| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2020-07-27 05:59:45 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-08-17 12:04:48 +0530 |
| commit | bd84256e86ecfb117d80c52870f4ece744610c97 (patch) | |
| tree | 9e65e115025de285fb24063e039138d0998cfcf5 | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
| download | linux-bd84256e86ecfb117d80c52870f4ece744610c97.tar.bz2 | |
soundwire: master: enable pm runtime
The hierarchy of soundwire devices is platform device -> M device -> S
device. A S device is physically attached on the platform device. So the
platform device should be resumed when a S device is resumed. As the
bridge of platform device and S device, we have to implement runtime pm
on M driver. We have set runtime pm ops in M driver already, but still
need to enable runtime pm.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200726215945.3119-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/soundwire/master.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/soundwire/master.c b/drivers/soundwire/master.c index 5f0b2189defe..3488bb824e84 100644 --- a/drivers/soundwire/master.c +++ b/drivers/soundwire/master.c @@ -154,6 +154,7 @@ int sdw_master_device_add(struct sdw_bus *bus, struct device *parent, bus->dev = &md->dev; bus->md = md; + pm_runtime_enable(&bus->md->dev); device_register_err: return ret; } @@ -166,6 +167,7 @@ device_register_err: */ int sdw_master_device_del(struct sdw_bus *bus) { + pm_runtime_disable(&bus->md->dev); device_unregister(bus->dev); return 0; |