[PATCH 00/19] drm/bridge: Convert to platform remove callback returning void

[Laurent Pinchart]

Hi Uwe,

Thank you for the patches.

On Sat, Mar 18, 2023 at 08:07:45PM +0100, Uwe Kleine-König wrote:
> Hello,
> 
> this series adapts the platform drivers below drivers/gpu/drm/bridge to use the
> .remove_new() callback. Compared to the traditional .remove() callback
> .remove_new() returns no value. This is a good thing because the driver core
> doesn't (and cannot) cope for errors during remove. The only effect of a
> non-zero return value in .remove() is that the driver core emits a warning. The
> device is removed anyhow and an early return from .remove() usually yields a
> resource leak.
> 
> By changing the remove callback to return void driver authors cannot
> reasonably assume any more that there is some kind of cleanup later.
> 
> The first patch simplifies the cdns-mhdp8546 driver to return zero in its
> remove callback unconditionally and thenn all drivers are trivially converted
> using coccinelle.
> 
> Only patch #3 depends on patch #1, the other are pairwise independant and can
> be applied individually.

For patches 02/19 to 19/19,

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>

> Uwe Kleine-König (19):
>   drm/bridge: cdns-mhdp8546: Improve error reporting in remove callback
>   drm/bridge: cdns-dsi: Convert to platform remove callback returning
>     void
>   drm/bridge: cdns-mhdp8546: Convert to platform remove callback
>     returning void
>   drm/bridge: display-connector: Convert to platform remove callback
>     returning void
>   drm/bridge: fsl-ldb: Convert to platform remove callback returning
>     void
>   drm/bridge: imx8qm-ldb: Convert to platform remove callback returning
>     void
>   drm/bridge: imx8qxp-ldb: Convert to platform remove callback returning
>     void
>   drm/bridge: imx8qxp-pixel-combiner: Convert to platform remove
>     callback returning void
>   drm/bridge: imx8qxp-pixel-link: Convert to platform remove callback
>     returning void
>   drm/bridge: imx8qxp-pxl2dpi: Convert to platform remove callback
>     returning void
>   drm/bridge: lvds-codec: Convert to platform remove callback returning
>     void
>   drm/bridge: nwl-dsi: Convert to platform remove callback returning
>     void
>   drm/bridge: simple-bridg: Convert to platform remove callback
>     returning void
>   drm/bridge: dw-hdmi-ahb-audio: Convert to platform remove callback
>     returning void
>   drm/bridge: dw-hdmi-cec: Convert to platform remove callback returning
>     void
>   drm/bridge: dw-hdmi-gp-audio: Convert to platform remove callback
>     returning void
>   drm/bridge: dw-hdmi-i2s-audio: Convert to platform remove callback
>     returning void
>   drm/bridge: thc63lvd1024: Convert to platform remove callback
>     returning void
>   drm/bridge: ti-tfp410: Convert to platform remove callback returning
>     void
> 
>  .../gpu/drm/bridge/cadence/cdns-dsi-core.c    |  6 ++---
>  .../drm/bridge/cadence/cdns-mhdp8546-core.c   | 22 +++++++++----------
>  drivers/gpu/drm/bridge/display-connector.c    |  6 ++---
>  drivers/gpu/drm/bridge/fsl-ldb.c              |  6 ++---
>  drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c   |  6 ++---
>  drivers/gpu/drm/bridge/imx/imx8qxp-ldb-drv.c  |  6 ++---
>  .../drm/bridge/imx/imx8qxp-pixel-combiner.c   |  6 ++---
>  .../gpu/drm/bridge/imx/imx8qxp-pixel-link.c   |  6 ++---
>  drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c  |  6 ++---
>  drivers/gpu/drm/bridge/lvds-codec.c           |  6 ++---
>  drivers/gpu/drm/bridge/nwl-dsi.c              |  5 ++---
>  drivers/gpu/drm/bridge/simple-bridge.c        |  6 ++---
>  .../drm/bridge/synopsys/dw-hdmi-ahb-audio.c   |  6 ++---
>  drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c |  6 ++---
>  .../drm/bridge/synopsys/dw-hdmi-gp-audio.c    |  6 ++---
>  .../drm/bridge/synopsys/dw-hdmi-i2s-audio.c   |  6 ++---
>  drivers/gpu/drm/bridge/thc63lvd1024.c         |  6 ++---
>  drivers/gpu/drm/bridge/ti-tfp410.c            |  6 ++---
>  18 files changed, 44 insertions(+), 79 deletions(-)
> 
> 
> base-commit: fe15c26ee26efa11741a7b632e9f23b01aca4cc6

-- 
Regards,

Laurent Pinchart