[PATCH v1 44/55] media: i2c: ov9650: Use the v4l2 helper for obtaining the clock

From: Mehdi Djait
Date: Thu Jun 19 2025 - 14:08:09 EST


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>

diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c
index 026ea34d6291..18c60c91aa40 100644
--- a/drivers/media/i2c/ov9650.c
+++ b/drivers/media/i2c/ov9650.c
@@ -1494,7 +1494,7 @@ static int ov965x_probe(struct i2c_client *client)
}

if (dev_fwnode(&client->dev)) {
- ov965x->clk = devm_clk_get(&client->dev, NULL);
+ ov965x->clk = devm_v4l2_sensor_clk_get(&client->dev, NULL);
if (IS_ERR(ov965x->clk))
return PTR_ERR(ov965x->clk);
ov965x->mclk_frequency = clk_get_rate(ov965x->clk);