Dears Yannick & Etienne,
Thank you for your patch,
Reviewed-by: Philippe Cornu <philippe.cornu@xxxxxx>
Philippe :-)
On 1/21/20 11:22 AM, Yannick Fertre wrote:
> From: Etienne Carriere <etienne.carriere@xxxxxx>
>
> Change stm32-cec driver to defer probe when auxiliary clock
> "hdmi-cec" is registered in the system not has not been probed yet.
>
> Signed-off-by: Etienne Carriere <etienne.carriere@xxxxxx>
> ---
> drivers/media/platform/stm32/stm32-cec.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/stm32/stm32-cec.c b/drivers/media/platform/stm32/stm32-cec.c
> index 8a86b2c..543c9ec 100644
> --- a/drivers/media/platform/stm32/stm32-cec.c
> +++ b/drivers/media/platform/stm32/stm32-cec.c
> @@ -302,10 +302,14 @@ static int stm32_cec_probe(struct platform_device *pdev)
> }
>
> cec->clk_hdmi_cec = devm_clk_get(&pdev->dev, "hdmi-cec");
> + if (IS_ERR(cec->clk_hdmi_cec) &&
> + PTR_ERR(cec->clk_hdmi_cec) == -EPROBE_DEFER)
> + return -EPROBE_DEFER;
> +
> if (!IS_ERR(cec->clk_hdmi_cec)) {
> ret = clk_prepare(cec->clk_hdmi_cec);
> if (ret) {
> - dev_err(&pdev->dev, "Unable to prepare hdmi-cec clock\n");
> + dev_err(&pdev->dev, "Can't prepare hdmi-cec clock\n");
> return ret;
> }
> }
>
