Re: [PATCH v6 3/4] drm/bridge: Drop CONFIG_OF conditionals around of_node pointers

From: Laurent Pinchart
Date: Thu Aug 31 2023 - 05:29:49 EST


Hi Biju,

Thank you for the patch.

On Thu, Aug 31, 2023 at 09:09:37AM +0100, Biju Das wrote:
> Having conditional around the of_node pointers turns out to make driver
> code use ugly #ifdef and #if blocks. So drop the conditionals.
>
> Suggested-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> v5->v6:
> * Added Rb tag from Douglas Anderson.
> * Dropped conditionals from remaining drm/bridge drivers.
> v5:
> * Split from patch#2
> ---
> drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c | 2 --
> drivers/gpu/drm/bridge/panel.c | 2 --
> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 --
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 2 --
> 4 files changed, 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> index 6169db73d2fe..ad8241758896 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
> @@ -1231,9 +1231,7 @@ static int anx78xx_i2c_probe(struct i2c_client *client)
>
> mutex_init(&anx78xx->lock);
>
> -#if IS_ENABLED(CONFIG_OF)
> anx78xx->bridge.of_node = client->dev.of_node;
> -#endif
>
> anx78xx->client = client;
> i2c_set_clientdata(client, anx78xx);
> diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
> index 9316384b4474..7f41525f7a6e 100644
> --- a/drivers/gpu/drm/bridge/panel.c
> +++ b/drivers/gpu/drm/bridge/panel.c
> @@ -302,9 +302,7 @@ struct drm_bridge *drm_panel_bridge_add_typed(struct drm_panel *panel,
> panel_bridge->panel = panel;
>
> panel_bridge->bridge.funcs = &panel_bridge_bridge_funcs;
> -#ifdef CONFIG_OF
> panel_bridge->bridge.of_node = panel->dev->of_node;
> -#endif
> panel_bridge->bridge.ops = DRM_BRIDGE_OP_MODES;
> panel_bridge->bridge.type = connector_type;
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 6c1d79474505..52d91a0df85e 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -3541,9 +3541,7 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
> | DRM_BRIDGE_OP_HPD;
> hdmi->bridge.interlace_allowed = true;
> hdmi->bridge.ddc = hdmi->ddc;
> -#ifdef CONFIG_OF
> hdmi->bridge.of_node = pdev->dev.of_node;
> -#endif
>
> memset(&pdevinfo, 0, sizeof(pdevinfo));
> pdevinfo.parent = dev;
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> index 04d4a1a10698..a8dd2a2e7c7b 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> @@ -1182,9 +1182,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
>
> dsi->bridge.driver_private = dsi;
> dsi->bridge.funcs = &dw_mipi_dsi_bridge_funcs;
> -#ifdef CONFIG_OF
> dsi->bridge.of_node = pdev->dev.of_node;
> -#endif
>
> return dsi;
> }

--
Regards,

Laurent Pinchart