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[RESEND,23/25] media: i2c: ov8856: simplify getting state container

Message ID 20201029164239.84240-23-krzk@kernel.org (mailing list archive)
State New, archived
Headers show
Series [RESEND,01/25] media: i2c: imx214: simplify getting state container | expand

Commit Message

Krzysztof Kozlowski Oct. 29, 2020, 4:42 p.m. UTC 
The pointer to 'struct v4l2_subdev' is stored in drvdata via
v4l2_i2c_subdev_init() so there is no point of a dance like:

    struct i2c_client *client = to_i2c_client(struct device *dev)
    struct v4l2_subdev *sd = i2c_get_clientdata(client);

This allows to remove local variable 'client' and few pointer
dereferences.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 drivers/media/i2c/ov8856.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
index 2f4ceaa80593..d8cefd3d4045 100644
--- a/drivers/media/i2c/ov8856.c
+++ b/drivers/media/i2c/ov8856.c
@@ -1417,8 +1417,7 @@  static void __ov8856_power_off(struct ov8856 *ov8856)
 
 static int __maybe_unused ov8856_suspend(struct device *dev)
 {
-	struct i2c_client *client = to_i2c_client(dev);
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
 	struct ov8856 *ov8856 = to_ov8856(sd);
 
 	mutex_lock(&ov8856->mutex);
@@ -1433,8 +1432,7 @@  static int __maybe_unused ov8856_suspend(struct device *dev)
 
 static int __maybe_unused ov8856_resume(struct device *dev)
 {
-	struct i2c_client *client = to_i2c_client(dev);
-	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct v4l2_subdev *sd = dev_get_drvdata(dev);
 	struct ov8856 *ov8856 = to_ov8856(sd);
 	int ret;