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authorDmitry Osipenko <digetx@gmail.com>2020-09-30 01:18:45 +0300
committerWolfram Sang <wsa@kernel.org>2020-10-05 22:57:39 +0200
commite4fc2efbc310cfb665eed558da42ac18084d20bc (patch)
tree757b05ed8da7a1fb0bdac75dd563c139b935bbaf /drivers/i2c/busses
parent900aed24d3e45353e22f7fc00d6826b87c55761a (diff)
i2c: tegra: Add missing pm_runtime_put()
The pm_runtime_get_sync() always bumps refcount regardless of whether it succeeds or fails. Hence driver is responsible for restoring of the RPM refcounting. This patch adds missing RPM puts which restore refcounting in a case of pm_runtime_get_sync() error. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index ab88cdd70376..4e7d0eec0dd3 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1375,6 +1375,7 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
ret = pm_runtime_get_sync(i2c_dev->dev);
if (ret < 0) {
dev_err(i2c_dev->dev, "runtime resume failed %d\n", ret);
+ pm_runtime_put_noidle(i2c_dev->dev);
return ret;
}
@@ -1786,7 +1787,7 @@ static int tegra_i2c_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(i2c_dev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "runtime resume failed\n");
- goto disable_rpm;
+ goto put_rpm;
}
}
@@ -1851,7 +1852,6 @@ put_rpm:
else
tegra_i2c_runtime_suspend(&pdev->dev);
-disable_rpm:
if (pm_runtime_enabled(&pdev->dev))
pm_runtime_disable(&pdev->dev);