Re: [PATCH 02/37] drm/xlnx/zynqmp_disp: Use correct kerneldoc formatting in zynqmp_disp

Lee Jones
2023-03-20T08:17:28Z

On Sun, 19 Mar 2023, Laurent Pinchart wrote:

> Hi Lee,
>
> Thank you for the patch.
>
> On Fri, Mar 17, 2023 at 08:16:43AM +0000, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> >
> > drivers/gpu/drm/xlnx/zynqmp_disp.c:151: warning: Function parameter or member 'blend' not described in 'zynqmp_disp'
> > drivers/gpu/drm/xlnx/zynqmp_disp.c:151: warning: Function parameter or member 'avbuf' not described in 'zynqmp_disp'
> > drivers/gpu/drm/xlnx/zynqmp_disp.c:151: warning: Function parameter or member 'audio' not described in 'zynqmp_disp'
> >
> > Cc: Hyun Kwon <hyun.kwon@xilinx.com>
> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> > Cc: David Airlie <airlied@gmail.com>
> > Cc: Daniel Vetter <daniel@ffwll.ch>
> > Cc: Michal Simek <michal.simek@xilinx.com>
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: linux-arm-kernel@lists.infradead.org
> > Signed-off-by: Lee Jones <lee@kernel.org>
> > ---
> > drivers/gpu/drm/xlnx/zynqmp_disp.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > index 3b87eebddc979..63358f4898625 100644
> > --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> > @@ -128,9 +128,9 @@ struct zynqmp_disp_layer {
> > * struct zynqmp_disp - Display controller
> > * @dev: Device structure
> > * @dpsub: Display subsystem
> > - * @blend.base: Register I/O base address for the blender
> > - * @avbuf.base: Register I/O base address for the audio/video buffer manager
> > - * @audio.base: Registers I/O base address for the audio mixer
> > + * @blend: .base: Register I/O base address for the blender
> > + * @avbuf: .base: Register I/O base address for the audio/video buffer manager
> > + * @audio: .base: Registers I/O base address for the audio mixer
>
> This is a hack, it won't work properly if the nested structures get
> extended with more fields.

The original doc is a hack, for it is not recognised kerneldoc format. :)

> Is there a correct kerneldoc syntax for this code construct ?

Not that I'm aware of.

Unless it's been added since my last round of this stuff.

> > * @layers: Layers (planes)
> > */
> > struct zynqmp_disp {
>
> --
> Regards,
>
> Laurent Pinchart

--
Lee Jones [李琼斯]