[PATCH v2 3/3] i2c: imx-lpi2c: add debug message when i2c peripheral clk doesn't work

[Fabio Estevam]

On Mon, Jul 24, 2023 at 7:52 AM <carlos.song at nxp.com> wrote:
>
> From: Gao Pan <pandy.gao at nxp.com>
>
> Output error log when i2c peripheral clk rate is 0, then
> directly return -EINVAL.
>
> Fixes: a55fa9d0e42e ("i2c: imx-lpi2c: add low power i2c bus driver")
> Signed-off-by: Gao Pan <pandy.gao at nxp.com>
> Signed-off-by: Carlos Song <carlos.song at nxp.com>
> ---
>  drivers/i2c/busses/i2c-imx-lpi2c.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
> index e93ff3b5373c..12b4f2a89343 100644
> --- a/drivers/i2c/busses/i2c-imx-lpi2c.c
> +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
> @@ -214,6 +214,11 @@ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx)
>         lpi2c_imx_set_mode(lpi2c_imx);
>
>         clk_rate = clk_get_rate(lpi2c_imx->clks[0].clk);
> +       if (!clk_rate) {
> +               dev_err(&lpi2c_imx->adapter.dev, "clk_per rate is 0\n");

The subject says 'debug message', but this is an error message.

Please adjust the Subject.