linux-kernel - Re: [PATCH v2 1/3] staging: greybus: fix warnings about endianness detected by sparse

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Date:   Tue, 6 Oct 2020 12:14:53 +0800
From:   Coiby Xu <coiby.xu@...il.com>
To:     Vaibhav Agarwal <vaibhav.sr@...il.com>
Cc:     devel@...verdev.osuosl.org,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Alex Elder <elder@...aro.org>,
        Mark Greer <mgreer@...malcreek.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "moderated list:GREYBUS SUBSYSTEM" <greybus-dev@...ts.linaro.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] staging: greybus: fix warnings about endianness
 detected by sparse

On Tue, Oct 06, 2020 at 12:47:37AM +0530, Vaibhav Agarwal wrote:
>On Sat, Oct 3, 2020 at 5:01 AM Coiby Xu <coiby.xu@...il.com> wrote:
>>
>> This patch fix the following warnings from sparse,
>>
>> $ make C=2 drivers/staging/greybus/
>> drivers/staging/greybus/audio_module.c:222:25: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_module.c:222:25:    expected restricted __le16 [usertype] data_cport
>> drivers/staging/greybus/audio_module.c:222:25:    got unsigned short [usertype] intf_cport_id
>> drivers/staging/greybus/audio_topology.c:460:40: warning: restricted __le32 degrades to integer
>> drivers/staging/greybus/audio_topology.c:691:41: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:691:41:    expected unsigned int access
>> drivers/staging/greybus/audio_topology.c:691:41:    got restricted __le32 [usertype] access
>> drivers/staging/greybus/audio_topology.c:746:44: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:746:44:    expected unsigned int
>> drivers/staging/greybus/audio_topology.c:746:44:    got restricted __le32
>> drivers/staging/greybus/audio_topology.c:748:52: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:748:52:    expected unsigned int
>> drivers/staging/greybus/audio_topology.c:748:52:    got restricted __le32
>> drivers/staging/greybus/audio_topology.c:802:42: warning: restricted __le32 degrades to integer
>> drivers/staging/greybus/audio_topology.c:805:50: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:805:50:    expected restricted __le32
>> drivers/staging/greybus/audio_topology.c:805:50:    got unsigned int
>> drivers/staging/greybus/audio_topology.c:814:50: warning: restricted __le32 degrades to integer
>> drivers/staging/greybus/audio_topology.c:817:58: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:817:58:    expected restricted __le32
>> drivers/staging/greybus/audio_topology.c:817:58:    got unsigned int
>> drivers/staging/greybus/audio_topology.c:889:25: warning: incorrect type in assignment (different base types)
>> drivers/staging/greybus/audio_topology.c:889:25:    expected unsigned int access
>> drivers/staging/greybus/audio_topology.c:889:25:    got restricted __le32 [usertype] access
>>
>> Suggested-by: Dan Carpenter <dan.carpenter@...cle.com>
>> Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>
>> Reviewed-by: Alex Elder <elder@...aro.org>
>> Signed-off-by: Coiby Xu <coiby.xu@...il.com>
>> ---
>Hi Coiby,
>
>Thanks for sharing the patch. Sorry, I could not reply to the v1 series.
>Now, I have gone through the patches. Looks good (all 3 patches).
>
>Reviewed-by: Vaibhav Agarwal <vaibhav.sr@...il.com>
>
>--
>Thanks,

Hi Vaibhav,

Thank you for reviewing these patches and giving the credit!

--
Best regards,
Coiby