linux-kernel - Re: [PATCH v6 8/8] ALSA: add new 32-bit layout for snd_pcm_mmap

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Message-ID: <CAK8P3a1FERLEZq3BFUJ9Hi6GP3rGKazJX9cbEQAw0O5tSB8H_Q@mail.gmail.com>
Date:   Fri, 15 Nov 2019 16:24:43 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     ALSA Development Mailing List <alsa-devel@...a-project.org>,
        Takashi Iwai <tiwai@...e.com>
Cc:     Baolin Wang <baolin.wang7@...il.com>,
        y2038 Mailman List <y2038@...ts.linaro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Mark Brown <broonie@...nel.org>,
        Baolin Wang <baolin.wang@...aro.org>
Subject: Re: [PATCH v6 8/8] ALSA: add new 32-bit layout for snd_pcm_mmap_status/control

On Tue, Nov 12, 2019 at 4:18 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> Co-developed-with: Baolin Wang <baolin.wang@...aro.org>
> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  include/uapi/sound/asound.h | 106 ++++++++++++++++++++++++++++++++----
>  sound/core/pcm_compat.c     |  30 +++++-----
>  sound/core/pcm_lib.c        |  10 ++--
>  sound/core/pcm_native.c     |  39 ++++++++-----
>  4 files changed, 143 insertions(+), 42 deletions(-)

I found one more use of 'struct timespec' remaining in there, and have amended
this patch with a small change now to hide that as well.

       Arnd

diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index c5d8e7f134d0..e6a958b8aff1 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -502,7 +502,11 @@ struct snd_pcm_status {
 #define __snd_pcm_mmap_status64                snd_pcm_mmap_status
 #define __snd_pcm_mmap_control64       snd_pcm_mmap_control
 #define __snd_pcm_sync_ptr64           snd_pcm_sync_ptr
+#ifdef __KERNEL__
+#define __snd_timespec64               __kernel_timespec
+#else
 #define __snd_timespec64               timespec
+#endif
 struct __snd_timespec {
        __s32 tv_sec;
        __s32 tv_nsec;