lkml.org 
[lkml]   [2023]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 03/16] platform/surface: aggregator: move to_ssam_device() to use container_of_const()
From
Hi,

On 1/11/23 12:30, Greg Kroah-Hartman wrote:
> The driver core is changing to pass some pointers as const, so move
> to_ssam_device() to use container_of_const() to handle this change.
> to_ssam_device() now properly keeps the const-ness of the pointer passed
> into it, while as before it could be lost.
>
> Cc: Maximilian Luz <luzmaximilian@gmail.com>
> Cc: platform-driver-x86@vger.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> include/linux/surface_aggregator/device.h | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h
> index 46c45d1b6368..24151a0e2c96 100644
> --- a/include/linux/surface_aggregator/device.h
> +++ b/include/linux/surface_aggregator/device.h
> @@ -229,10 +229,7 @@ static inline bool is_ssam_device(struct device *d)
> * Return: Returns a pointer to the &struct ssam_device wrapping the given
> * device @d.
> */
> -static inline struct ssam_device *to_ssam_device(struct device *d)
> -{
> - return container_of(d, struct ssam_device, dev);
> -}
> +#define to_ssam_device(d) container_of_const(d, struct ssam_device, dev)

There is a kernel-doc comment for this helper, I'm not sure if sphinx is going
to like changing this from a static inline to a #define ?

At a minimum I guess the generated docs are going to loose some type info
by switching to a define. Can we keep this as a static inline ?

Regards,

Hans




>
> /**
> * to_ssam_device_driver() - Casts the given device driver to a SSAM client

\
 
 \ /
  Last update: 2023-03-26 23:36    [W:1.265 / U:1.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site