[PATCH v1 36/55] media: i2c: ov64a40: Use the v4l2 helper for obtaining the clock

From: Mehdi Djait
Date: Thu Jun 19 2025 - 14:20:36 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/ov64a40.c b/drivers/media/i2c/ov64a40.c
index a5da4fe47e0b..d7a13e855a41 100644
--- a/drivers/media/i2c/ov64a40.c
+++ b/drivers/media/i2c/ov64a40.c
@@ -3550,7 +3550,7 @@ static int ov64a40_probe(struct i2c_client *client)
return PTR_ERR(ov64a40->cci);
}

- ov64a40->xclk = devm_clk_get(&client->dev, NULL);
+ ov64a40->xclk = devm_v4l2_sensor_clk_get(&client->dev, NULL);
if (IS_ERR(ov64a40->xclk))
return dev_err_probe(&client->dev, PTR_ERR(ov64a40->xclk),
"Failed to get clock\n");