diff options
| author | Etienne Carriere <etienne.carriere@st.com> | 2020-01-21 11:22:32 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-03-12 17:27:31 +0100 |
| commit | 40ed9629935746bb3da1c3017e0f535fa93b610e (patch) | |
| tree | f5658545481f4b31737c7565d2d34aef654e6de1 | |
| parent | a246b4d547708f33ff4d4b9a7a5dbac741dc89d8 (diff) | |
media: platform: stm32: defer probe for auxiliary clock
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>
Reviewed-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
| -rw-r--r-- | drivers/media/platform/stm32/stm32-cec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/platform/stm32/stm32-cec.c b/drivers/media/platform/stm32/stm32-cec.c index 8a86b2cc22fa..86f19af5b917 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; } } |