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SubjectRe: [PATCH 02/21] drm: convert the drm_driver.debugfs_init() hook to return void.


On Thu, 27 Feb 2020, Greg KH wrote:

> On Thu, Feb 27, 2020 at 03:02:13PM +0300, Wambui Karuga wrote:
>> As a result of commit 987d65d01356 (drm: debugfs: make
>> drm_debugfs_create_files() never fail) and changes to various debugfs
>> functions in drm/core and across various drivers, there is no need for
>> the drm_driver.debugfs_init() hook to have a return value. Therefore,
>> declare it as void.
>>
>> Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
>> ---
>> include/drm/drm_drv.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
>> index 97109df5beac..c6ae888c672b 100644
>> --- a/include/drm/drm_drv.h
>> +++ b/include/drm/drm_drv.h
>> @@ -323,7 +323,7 @@ struct drm_driver {
>> *
>> * Allows drivers to create driver-specific debugfs files.
>> */
>> - int (*debugfs_init)(struct drm_minor *minor);
>> + void (*debugfs_init)(struct drm_minor *minor);
>
>
> Doesn't this patch break the build, or at least, cause lots of build
> warnings to happen?
>
> Fixing it all up later is good, but I don't think you want to break
> things at this point in the series.
>
So, should it come last in the series? All functions that use this hook
have been converted to void in the patchset.

thanks,
wambui karuga

> thanks,
>
> greg k-h
>

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