Re: [PATCH v1 03/55] media: i2c: ar0521: Use the v4l2 helper for obtaining the clock
From: Krzysztof Hałasa | Łukasiewicz – PIAP
Date: Sat Jun 21 2025 - 06:21:39 EST
Hi Mehdi,
I guess it's the same as all other patches in the series.
Sorry if the message formatting is weird - I'm a bit offline now.
> devm_clk_get() fails on ACPI-based platforms, where firmware does not
> provide a direct reference to the clock producer.
> Replace devm_clk_get() with the new v4l2 helper devm_v4l2_sensor_clk_get()
> that works on both DT- and ACPI-based platforms to retrieve a reference to
> the clock producer from firmware.
> Signed-off-by: Mehdi Djait <mehdi.djait@xxxxxxxxxxxxxxx>
Acked-By: Krzysztof Hałasa <khalasa@xxxxxxx>
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -1077,7 +1077,7 @@ static int ar0521_probe(struct i2c_client *client)
}
/* Get master clock (extclk) */
- sensor->extclk = devm_clk_get(dev, "extclk");
+ sensor->extclk = devm_v4l2_sensor_clk_get(dev, "extclk");
if (IS_ERR(sensor->extclk)) {
dev_err(dev, "failed to get extclk\n");
return PTR_ERR(sensor->extclk);