Re: [PATCH 1/3] i2c: s3c2410: Add missing clock unprepare on probe() error path

From: Javier Martinez Canillas
Date: Wed Apr 20 2016 - 09:47:20 EST


Hello Krzysztof,

On 04/20/2016 05:24 AM, Krzysztof Kozlowski wrote:
> If during probe() the s3c24xx_i2c_init() failed, the clock was left in
> disabled but prepared state.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-s3c2410.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
> index 362a6de54833..e9658af36f2e 100644
> --- a/drivers/i2c/busses/i2c-s3c2410.c
> +++ b/drivers/i2c/busses/i2c-s3c2410.c
> @@ -1200,6 +1200,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
> clk_disable(i2c->clk);
> if (ret != 0) {
> dev_err(&pdev->dev, "I2C controller init failed\n");
> + clk_unprepare(i2c->clk);
> return ret;
> }
> /* find the IRQ for this unit (note, this relies on the init call to
>

Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America