linux-kernel - Re: [PATCH] ALSA: firewire-lib: fix compare_const

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Date:	Mon, 2 Nov 2015 18:10:35 +0900
From:	Takashi Sakamoto <o-takashi@...amocchi.jp>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	kbuild-all@...org, Takashi Iwai <tiwai@...e.de>,
	Clemens Ladisch <clemens@...isch.de>,
	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ALSA: firewire-lib: fix compare_const_fl.cocci warnings

Hi Julia,

On Nov 02 2015 16:20, Julia Lawall wrote:
> On Mon, 2 Nov 2015, Takashi Sakamoto wrote:
>
>> Hi,
>>
>> On Nov 02 2015 15:55, Julia Lawall wrote:
>>> Move constant to the right of binary operators.
>>>
>>> Generated by: scripts/coccinelle/misc/compare_const_fl.cocci
>>>
>>> CC: Takashi Sakamoto <o-takashi@...amocchi.jp>
>>> Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
>>> Signed-off-by: Julia Lawall <julia.lawall@...6.fr>
>>> ---
>>>
>>> Depends on personal taste, but the modified version does look a little
>>> nicer to me, since one can better see the relationship between the fdf
>>> and sfc fields.
>>>
>>>    amdtp-am824.c |    2 +-
>>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> --- a/sound/firewire/amdtp-am824.c
>>> +++ b/sound/firewire/amdtp-am824.c
>>> @@ -36,7 +36,7 @@ int amdtp_am824_set_parameters(struct am
>>>    	if (err < 0)
>>>    		return err;
>>>
>>> -	s->fdf = AMDTP_FDF_AM824 | s->sfc;
>>> +	s->fdf = s->sfc | AMDTP_FDF_AM824;
>>>
>>>    	/*
>>>    	 * In IEC 61883-6, one data block represents one event. In ALSA, one
>>
>> Could I request explainations about the advantage of this modification? I
>> cannot imagine good reasons for this subtle changes...
>
> I put the reason under the --- (better see the relationship between fdf
> and sfc).  But if you think the code makes more sense as it is, just
> ignore the patch.

Mmm. I'm sorry but I'm not wiling to add 'Reviewed-by' tag to this patch 
because the reason is non-functional and personal.


Thanks

Takashi Sakamoto
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