linux-kernel - Re: [PATCH v2 1/8] drm: xlnx: Fix kerneldoc

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Date: Tue, 19 Mar 2024 23:05:12 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
 Sean Anderson <sean.anderson@...ux.dev>
Cc: Michal Simek <michal.simek@....com>, David Airlie <airlied@...il.com>,
 linux-kernel@...r.kernel.org, Daniel Vetter <daniel@...ll.ch>,
 linux-arm-kernel@...ts.infradead.org,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 1/8] drm: xlnx: Fix kerneldoc



On 3/19/24 22:42, Tomi Valkeinen wrote:
> On 20/03/2024 00:51, Sean Anderson wrote:
>> Fix a few errors in the kerneldoc. Mostly this addresses missing/renamed
>> members.
>>
>> Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
>> ---
>>
>> Changes in v2:
>> - New
>>
>>   drivers/gpu/drm/xlnx/zynqmp_disp.c  | 6 +++---
>>   drivers/gpu/drm/xlnx/zynqmp_dpsub.h | 1 +
>>   drivers/gpu/drm/xlnx/zynqmp_kms.h   | 4 ++--
>>   3 files changed, 6 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
>> index 407bc07cec69..f79bf3fb8110 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: Register I/O base address for the blender
>> + * @avbuf: Register I/O base address for the audio/video buffer manager
>> + * @audio: Registers I/O base address for the audio mixer
> 
> Afaics, the kernel doc guide:
> 
> https://docs.kernel.org/doc-guide/kernel-doc.html#nested-structs-unions
> 
> says that the current version is correct. Or is the issue that while, say, 'base' is documented, 'blend' was not?

Hi,

I would do it more like so:

---
 drivers/gpu/drm/xlnx/zynqmp_disp.c |    3 +++
 1 file changed, 3 insertions(+)

diff -- a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -128,8 +128,11 @@ struct zynqmp_disp_layer {
  * struct zynqmp_disp - Display controller
  * @dev: Device structure
  * @dpsub: Display subsystem
+ * @blend: blender iomem info
  * @blend.base: Register I/O base address for the blender
+ * @avbuf: audio/video buffer iomem info
  * @avbuf.base: Register I/O base address for the audio/video buffer manager
+ * @audio: audio mixer iomem info
  * @audio.base: Registers I/O base address for the audio mixer
  * @layers: Layers (planes)
  */


but in my testing, Sean's way or my way result in no warning/errors.

-- 
#Randy