* [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
[not found] <CGME20230309152453eucas1p28e1870593875304648243c9dead4b256@eucas1p2.samsung.com>
@ 2023-03-09 15:24 ` Marek Szyprowski
2023-03-09 16:09 ` Neil Armstrong
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Marek Szyprowski @ 2023-03-09 15:24 UTC (permalink / raw)
To: dri-devel, linux-amlogic
Cc: Marek Szyprowski, Matti Vaittinen, Martin Blumenstingl,
Neil Armstrong, David Airlie, Daniel Vetter, Kevin Hilman,
Jerome Brunet, Mark Brown, Ricardo Cañuelo
devm_regulator_get_enable_optional() returns -ENODEV if requested
optional regulator is not present. Adjust code for that, because in the
67d0a30128c9 I've incorrectly assumed that it also returns 0 when
regulator is not present.
Reported-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
drivers/gpu/drm/meson/meson_dw_hdmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index 534621a13a34..3d046878ce6c 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -718,7 +718,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
dw_plat_data = &meson_dw_hdmi->dw_plat_data;
ret = devm_regulator_get_enable_optional(dev, "hdmi");
- if (ret < 0)
+ if (ret < 0 && ret != -ENODEV)
return ret;
meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,
--
2.34.1
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^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
2023-03-09 15:24 ` [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again Marek Szyprowski
@ 2023-03-09 16:09 ` Neil Armstrong
2023-03-09 21:38 ` Martin Blumenstingl
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-03-09 16:09 UTC (permalink / raw)
To: Marek Szyprowski, dri-devel, linux-amlogic
Cc: Matti Vaittinen, Martin Blumenstingl, David Airlie, Daniel Vetter,
Kevin Hilman, Jerome Brunet, Mark Brown, Ricardo Cañuelo
On 09/03/2023 16:24, Marek Szyprowski wrote:
> devm_regulator_get_enable_optional() returns -ENODEV if requested
> optional regulator is not present. Adjust code for that, because in the
> 67d0a30128c9 I've incorrectly assumed that it also returns 0 when
> regulator is not present.
>
> Reported-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
> Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/gpu/drm/meson/meson_dw_hdmi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 534621a13a34..3d046878ce6c 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -718,7 +718,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
> dw_plat_data = &meson_dw_hdmi->dw_plat_data;
>
> ret = devm_regulator_get_enable_optional(dev, "hdmi");
> - if (ret < 0)
> + if (ret < 0 && ret != -ENODEV)
> return ret;
>
> meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
2023-03-09 15:24 ` [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again Marek Szyprowski
2023-03-09 16:09 ` Neil Armstrong
@ 2023-03-09 21:38 ` Martin Blumenstingl
2023-03-10 8:45 ` Neil Armstrong
2023-03-15 9:10 ` Neil Armstrong
3 siblings, 0 replies; 5+ messages in thread
From: Martin Blumenstingl @ 2023-03-09 21:38 UTC (permalink / raw)
To: Marek Szyprowski
Cc: dri-devel, linux-amlogic, Matti Vaittinen, Neil Armstrong,
David Airlie, Daniel Vetter, Kevin Hilman, Jerome Brunet,
Mark Brown, Ricardo Cañuelo
On Thu, Mar 9, 2023 at 4:24 PM Marek Szyprowski
<m.szyprowski@samsung.com> wrote:
>
> devm_regulator_get_enable_optional() returns -ENODEV if requested
> optional regulator is not present. Adjust code for that, because in the
> 67d0a30128c9 I've incorrectly assumed that it also returns 0 when
> regulator is not present.
>
> Reported-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
> Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
2023-03-09 15:24 ` [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again Marek Szyprowski
2023-03-09 16:09 ` Neil Armstrong
2023-03-09 21:38 ` Martin Blumenstingl
@ 2023-03-10 8:45 ` Neil Armstrong
2023-03-15 9:10 ` Neil Armstrong
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-03-10 8:45 UTC (permalink / raw)
To: Marek Szyprowski, dri-devel, linux-amlogic
Cc: Matti Vaittinen, Martin Blumenstingl, David Airlie, Daniel Vetter,
Kevin Hilman, Jerome Brunet, Mark Brown, Ricardo Cañuelo
On 09/03/2023 16:24, Marek Szyprowski wrote:
> devm_regulator_get_enable_optional() returns -ENODEV if requested
> optional regulator is not present. Adjust code for that, because in the
> 67d0a30128c9 I've incorrectly assumed that it also returns 0 when
> regulator is not present.
>
> Reported-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
> Fixes: 67d0a30128c9 ("drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion")
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/gpu/drm/meson/meson_dw_hdmi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 534621a13a34..3d046878ce6c 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -718,7 +718,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
> dw_plat_data = &meson_dw_hdmi->dw_plat_data;
>
> ret = devm_regulator_get_enable_optional(dev, "hdmi");
> - if (ret < 0)
> + if (ret < 0 && ret != -ENODEV)
> return ret;
>
> meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,
I'll need to wait until v6.3-rc1 is backmerged into drm-misc-fixes to apply it.
Thanks,
Neil
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
2023-03-09 15:24 ` [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again Marek Szyprowski
` (2 preceding siblings ...)
2023-03-10 8:45 ` Neil Armstrong
@ 2023-03-15 9:10 ` Neil Armstrong
3 siblings, 0 replies; 5+ messages in thread
From: Neil Armstrong @ 2023-03-15 9:10 UTC (permalink / raw)
To: dri-devel, linux-amlogic, Marek Szyprowski
Cc: Matti Vaittinen, Martin Blumenstingl, David Airlie, Daniel Vetter,
Kevin Hilman, Jerome Brunet, Mark Brown, Ricardo Cañuelo
Hi,
On Thu, 09 Mar 2023 16:24:46 +0100, Marek Szyprowski wrote:
> devm_regulator_get_enable_optional() returns -ENODEV if requested
> optional regulator is not present. Adjust code for that, because in the
> 67d0a30128c9 I've incorrectly assumed that it also returns 0 when
> regulator is not present.
>
>
Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-fixes)
[1/1] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=4028cbf867f70a3c599c9b0c9509334c56ed97d7
--
Neil
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[not found] <CGME20230309152453eucas1p28e1870593875304648243c9dead4b256@eucas1p2.samsung.com>
2023-03-09 15:24 ` [PATCH] drm/meson: dw-hdmi: Fix devm_regulator_*get_enable*() conversion again Marek Szyprowski
2023-03-09 16:09 ` Neil Armstrong
2023-03-09 21:38 ` Martin Blumenstingl
2023-03-10 8:45 ` Neil Armstrong
2023-03-15 9:10 ` Neil Armstrong
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