From: Coiby Xu
> Sent: 25 September 2020 15:11
>
> On Thu, Sep 24, 2020 at 10:54:50AM +0000, David Laight wrote:
> >From: Coiby Xu
> >> Sent: 24 September 2020 11:21
> >> Use __8 to replace int and remove the unnecessary __bitwise type attribute.
> >>
> >> Found by sparse,
> >...
> >> diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
> >> index 535a7229e1d9..8e71a95644ab 100644
> >> --- a/include/uapi/sound/asound.h
> >> +++ b/include/uapi/sound/asound.h
> >> @@ -950,7 +950,7 @@ struct snd_ctl_card_info {
> >> unsigned char components[128]; /* card components / fine identification, delimited with one
> >> space (AC97 etc..) */
> >> };
> >>
> >> -typedef int __bitwise snd_ctl_elem_type_t;
> >> +typedef __u8 snd_ctl_elem_type_t;
> >> #define SNDRV_CTL_ELEM_TYPE_NONE ((__force snd_ctl_elem_type_t) 0) /* invalid */
> >> #define SNDRV_CTL_ELEM_TYPE_BOOLEAN ((__force snd_ctl_elem_type_t) 1) /* boolean type */
> >> #define SNDRV_CTL_ELEM_TYPE_INTEGER ((__force snd_ctl_elem_type_t) 2) /* integer type */
> >
> >WTF is all that about anyway??
> >What is wrong with:
> >#define SNDRV_CTL_ELEM_TYPE_NONE 0u /* invalid */
>
> I'm sorry I don't quite understand you. Are you suggesting SNDRV_CTL_ELEM_TYPE_NONE
> isn't needed in the first place?
No, just remove all the casts from the constants.
Are the types even used anywhere else?
David
-
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