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authorRui Miguel Silva <rui.silva@linaro.org>2021-05-13 01:39:29 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-22 10:32:27 +0300
commit2a54c8c9ebc2006bf72554afc84ffc67768979a0 (patch)
treed99799bb9739e641fe2b6c5eb79deeffd58b85af
parent04f5b9f539ce314f758d919a14dc7a669f3b7838 (diff)
downloadlinux-2a54c8c9ebc2006bf72554afc84ffc67768979a0.tar.xz
iio: gyro: fxas21002c: balance runtime power in error path
If we fail to read temperature or axis we need to decrement the runtime pm reference count to trigger autosuspend. Add the call to pm_put to do that in case of error. Fixes: a0701b6263ae ("iio: gyro: add core driver for fxas21002c") Suggested-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> Link: https://lore.kernel.org/linux-iio/CBBZA9T1OY9C.2611WSV49DV2G@arch-thunder/ Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
-rw-r--r--drivers/iio/gyro/fxas21002c_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/gyro/fxas21002c_core.c b/drivers/iio/gyro/fxas21002c_core.c
index 1a20c6b88e7d..645461c70454 100644
--- a/drivers/iio/gyro/fxas21002c_core.c
+++ b/drivers/iio/gyro/fxas21002c_core.c
@@ -399,6 +399,7 @@ static int fxas21002c_temp_get(struct fxas21002c_data *data, int *val)
ret = regmap_field_read(data->regmap_fields[F_TEMP], &temp);
if (ret < 0) {
dev_err(dev, "failed to read temp: %d\n", ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}
@@ -432,6 +433,7 @@ static int fxas21002c_axis_get(struct fxas21002c_data *data,
&axis_be, sizeof(axis_be));
if (ret < 0) {
dev_err(dev, "failed to read axis: %d: %d\n", index, ret);
+ fxas21002c_pm_put(data);
goto data_unlock;
}