diff mbox series

[RESEND,v4,2/2] gpu: drm: meson: Use devm_regulator_*get_enable*()

Message ID a2f0835e8d3b5f5768d887ce47a1575ae11b19f0.1668602942.git.mazziesaccount@gmail.com (mailing list archive)
State New, archived
Delegated to: Neil Armstrong
Headers show
Series Use devm helpers for regulator get and enable | expand

Commit Message

Matti Vaittinen Nov. 16, 2022, 1:03 p.m. UTC
Simplify using the devm_regulator_get_enable_optional(). Also drop the
seemingly unused struct member 'hdmi_supply'.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>

---
I am doing a clean-up for my local git and encountered this one.
Respinning as it seems this one fell through the cracks.
---
 drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++--------------------
 1 file changed, 3 insertions(+), 20 deletions(-)

Comments

Martin Blumenstingl Nov. 25, 2022, 10:58 p.m. UTC | #1
On Wed, Nov 16, 2022 at 2:03 PM Matti Vaittinen
<mazziesaccount@gmail.com> wrote:
>
> Simplify using the devm_regulator_get_enable_optional(). Also drop the
> seemingly unused struct member 'hdmi_supply'.
Personally I'd replace "seemingly" with "now" because hdmi_supply was
used before (although only in this one function, which makes it a bit
pointless).
This is minor enough. So with or without that change this gets my:
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Robert Foss Nov. 29, 2022, 4:53 p.m. UTC | #2
The prefix to the commit title is a new one, let's use an existing one:
- drm/meson: dw-hdmi:
- drm: meson: dw-hdmi:

On Wed, 16 Nov 2022 at 14:04, Matti Vaittinen <mazziesaccount@gmail.com> wrote:
>
> Simplify using the devm_regulator_get_enable_optional(). Also drop the
> seemingly unused struct member 'hdmi_supply'.
>
> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>
> ---
> I am doing a clean-up for my local git and encountered this one.
> Respinning as it seems this one fell through the cracks.
> ---
>  drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++--------------------
>  1 file changed, 3 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> index 5cd2b2ebbbd3..7642f740272b 100644
> --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
> +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
> @@ -140,7 +140,6 @@ struct meson_dw_hdmi {
>         struct reset_control *hdmitx_apb;
>         struct reset_control *hdmitx_ctrl;
>         struct reset_control *hdmitx_phy;
> -       struct regulator *hdmi_supply;
>         u32 irq_stat;
>         struct dw_hdmi *hdmi;
>         struct drm_bridge *bridge;
> @@ -665,11 +664,6 @@ static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi)
>
>  }
>
> -static void meson_disable_regulator(void *data)
> -{
> -       regulator_disable(data);
> -}
> -
>  static void meson_disable_clk(void *data)
>  {
>         clk_disable_unprepare(data);
> @@ -723,20 +717,9 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
>         meson_dw_hdmi->data = match;
>         dw_plat_data = &meson_dw_hdmi->dw_plat_data;
>
> -       meson_dw_hdmi->hdmi_supply = devm_regulator_get_optional(dev, "hdmi");
> -       if (IS_ERR(meson_dw_hdmi->hdmi_supply)) {
> -               if (PTR_ERR(meson_dw_hdmi->hdmi_supply) == -EPROBE_DEFER)
> -                       return -EPROBE_DEFER;
> -               meson_dw_hdmi->hdmi_supply = NULL;
> -       } else {
> -               ret = regulator_enable(meson_dw_hdmi->hdmi_supply);
> -               if (ret)
> -                       return ret;
> -               ret = devm_add_action_or_reset(dev, meson_disable_regulator,
> -                                              meson_dw_hdmi->hdmi_supply);
> -               if (ret)
> -                       return ret;
> -       }
> +       ret = devm_regulator_get_enable_optional(dev, "hdmi");
> +       if (ret != -ENODEV)
> +               return ret;
>
>         meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,
>                                                 "hdmitx_apb");
> --
> 2.38.1
>
>
> --
> Matti Vaittinen, Linux device drivers
> ROHM Semiconductors, Finland SWDC
> Kiviharjunlenkki 1E
> 90220 OULU
> FINLAND
>
> ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
> Simon says - in Latin please.
> ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
> Thanks to Simon Glass for the translation =]
diff mbox series

Patch

diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index 5cd2b2ebbbd3..7642f740272b 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -140,7 +140,6 @@  struct meson_dw_hdmi {
 	struct reset_control *hdmitx_apb;
 	struct reset_control *hdmitx_ctrl;
 	struct reset_control *hdmitx_phy;
-	struct regulator *hdmi_supply;
 	u32 irq_stat;
 	struct dw_hdmi *hdmi;
 	struct drm_bridge *bridge;
@@ -665,11 +664,6 @@  static void meson_dw_hdmi_init(struct meson_dw_hdmi *meson_dw_hdmi)
 
 }
 
-static void meson_disable_regulator(void *data)
-{
-	regulator_disable(data);
-}
-
 static void meson_disable_clk(void *data)
 {
 	clk_disable_unprepare(data);
@@ -723,20 +717,9 @@  static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
 	meson_dw_hdmi->data = match;
 	dw_plat_data = &meson_dw_hdmi->dw_plat_data;
 
-	meson_dw_hdmi->hdmi_supply = devm_regulator_get_optional(dev, "hdmi");
-	if (IS_ERR(meson_dw_hdmi->hdmi_supply)) {
-		if (PTR_ERR(meson_dw_hdmi->hdmi_supply) == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
-		meson_dw_hdmi->hdmi_supply = NULL;
-	} else {
-		ret = regulator_enable(meson_dw_hdmi->hdmi_supply);
-		if (ret)
-			return ret;
-		ret = devm_add_action_or_reset(dev, meson_disable_regulator,
-					       meson_dw_hdmi->hdmi_supply);
-		if (ret)
-			return ret;
-	}
+	ret = devm_regulator_get_enable_optional(dev, "hdmi");
+	if (ret != -ENODEV)
+		return ret;
 
 	meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev,
 						"hdmitx_apb");