staging: media: atomisp: gc2235: prefer usleep_range over msleep

[PATCH v2] staging: media: atomisp: gc2235: prefer usleep_range over msleep

Abhai Kollara posted 1 patch 2 weeks, 1 day ago

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drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH v2] staging: media: atomisp: gc2235: prefer usleep_range over msleep

Posted by Abhai Kollara 2 weeks, 1 day ago

The gc2235 driver uses msleep(5) during power-up. msleep() is often
imprecise for durations under 20ms. Replace it with usleep_range()
to provide better precision.

Signed-off-by: Abhai Kollara <abhai@protonmail.com>
---
 drivers/staging/media/atomisp/i2c/atomisp-gc2235.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
index d3414312e1de..db5e007efc56 100644
--- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
+++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c
@@ -433,7 +433,7 @@ static int power_up(struct v4l2_subdev *sd)
 			goto fail_power;
 	}
 
-	msleep(5);
+	usleep_range(5000, 6000);
 	return 0;
 
 fail_clk:
-- 
2.43.0