[RESEND,19/25] media: i2c: ov5670: simplify getting state container
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Message ID 20201029164239.84240-19-krzk@kernel.org
State New
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Series
  • [RESEND,01/25] media: i2c: imx214: simplify getting state container
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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/ov5670.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Patch
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diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c
index f26252e35e08..148fd4e05029 100644
--- a/drivers/media/i2c/ov5670.c
+++ b/drivers/media/i2c/ov5670.c
@@ -2373,8 +2373,7 @@  static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
 
 static int __maybe_unused ov5670_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 ov5670 *ov5670 = to_ov5670(sd);
 
 	if (ov5670->streaming)
@@ -2385,8 +2384,7 @@  static int __maybe_unused ov5670_suspend(struct device *dev)
 
 static int __maybe_unused ov5670_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 ov5670 *ov5670 = to_ov5670(sd);
 	int ret;