On 04/19/2016 10:10 PM, Javier Martinez Canillas wrote:
> The clk_prepare_enable() function can fail so check the return
> value and propagate the error in case of a failure.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---
>
> drivers/i2c/busses/i2c-s3c2410.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
> index 4b873fe9a75b..cb40a3af46e7 100644
> --- a/drivers/i2c/busses/i2c-s3c2410.c
> +++ b/drivers/i2c/busses/i2c-s3c2410.c
> @@ -1196,7 +1196,12 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
>
> /* initialise the i2c controller */
>
> - clk_prepare_enable(i2c->clk);
> + ret = clk_prepare_enable(i2c->clk);
> + if (ret) {
> + dev_err(&pdev->dev, "I2C clock enable failed (%d)\n", ret);
Just: "I2C clock enable failed\n"
The probe error code will be printed anyway.
Best regards,
Krzysztof
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