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SubjectRe: [alsa-devel] [PATCH] ASoC: SOF: use __u32 instead of uint32_t in uapi headers
On Mon, Jul 22, 2019 at 5:18 PM Pierre-Louis Bossart
<pierre-louis.bossart@linux.intel.com> wrote:
> On 7/22/19 8:34 AM, Arnd Bergmann wrote:
> > On Mon, Jul 22, 2019 at 3:16 PM Pierre-Louis Bossart
> > <pierre-louis.bossart@linux.intel.com> wrote:
> >> On 7/22/19 7:56 AM, Takashi Iwai wrote:
> >>> On Mon, 22 Jul 2019 14:49:34 +0200,
> >> Our goal is to minimize the differences and allow deltas e.g. for
> >> license or comments. We could add a definition for __u32 when linux is
> >> not used, I am just not sure if these two files really fall in the UAPI
> >> category and if the checks make sense.
> >
> > If you can build all the SOF user space without these headers being
> > installed to /usr/include/sound/sof/, you can move them from
> > include/uapi/sound/sof to include/sounds/sof and leave the types
> > unchanged.
>
> yes we don't need those files to build userspace stuff. The idea was
> that these format definitions establish a contract between userspace
> (more specifically the files stored in /lib/firmware) and the kernel.
> IIRC we wanted to make sure that any changes would be tracked as
> breaking userspace. If the consensus is that the uapi directory is
> strictly used for builds then we should indeed move those files

I don't see a problem with keeping the files in uapi for practical
purposes, but then I think it makes sense to apply the same rules as
for other uapi headers and use user-space clean type names.

Arnd

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