lkml.org 
[lkml]   [2020]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    SubjectRe: [PATCH] media: platform: stm32: defer probe for auxiliary clock
    Date
    Dears Yannick & Etienne,
    Thank you for your patch,

    Reviewed-by: Philippe Cornu <philippe.cornu@st.com>

    Philippe :-)

    On 1/21/20 11:22 AM, Yannick Fertre wrote:
    > From: Etienne Carriere <etienne.carriere@st.com>
    >
    > 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@st.com>
    > ---
    > 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;
    > }
    > }
    >
    \
     
     \ /
      Last update: 2020-01-23 10:53    [W:3.971 / U:0.008 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site