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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-03-01 02:46:11 +0000 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-04-14 10:38:39 +0530 |
| commit | d644e0d79829b1b9a14beedbdb0dc1256fc3677d (patch) | |
| tree | 719718d7064437d3f97db04b379e963a4d234fe6 /drivers/phy/motorola | |
| parent | 3588060befff75ff39fab7122b94c6fb3148fcda (diff) | |
| download | lwn-d644e0d79829b1b9a14beedbdb0dc1256fc3677d.tar.gz lwn-d644e0d79829b1b9a14beedbdb0dc1256fc3677d.zip | |
phy: mapphone-mdm6600: Fix PM error handling in phy_mdm6600_probe
The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable(). And use pm_runtime_dont_use_autosuspend() to
undo pm_runtime_use_autosuspend()
In the PM Runtime docs:
Drivers in ->remove() callback should undo the runtime PM changes done
in ->probe(). Usually this means calling pm_runtime_disable(),
pm_runtime_dont_use_autosuspend() etc.
We should do this in error handling.
Fixes: f7f50b2a7b05 ("phy: mapphone-mdm6600: Add runtime PM support for n_gsm on USB suspend")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220301024615.31899-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy/motorola')
| -rw-r--r-- | drivers/phy/motorola/phy-mapphone-mdm6600.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c index 5172971f4c36..3cd4d51c247c 100644 --- a/drivers/phy/motorola/phy-mapphone-mdm6600.c +++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c @@ -629,7 +629,8 @@ idle: cleanup: if (error < 0) phy_mdm6600_device_power_off(ddata); - + pm_runtime_disable(ddata->dev); + pm_runtime_dont_use_autosuspend(ddata->dev); return error; } |