linux-kernel - Re: [PATCH] fusb300_udc: modify stall clear and idma reset procedure

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Message-ID: <CADB-GoLn=PZcXgPr51stkrG=GQ7+YA7f49KW3jEyPETYbKyh7Q@mail.gmail.com>
Date:	Mon, 4 Mar 2013 17:02:06 +0800
From:	Yuan-Hsin Chen <yuanlmm@...il.com>
To:	balbi@...com
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yuan-Hsin Chen <yhchen@...aday-tech.com>
Subject: Re: [PATCH] fusb300_udc: modify stall clear and idma reset procedure

Hi,

On Wed, Feb 27, 2013 at 1:59 AM, Felipe Balbi <balbi@...com> wrote:
> Hi,
>
> On Fri, Feb 22, 2013 at 07:09:39AM +0000, Yuan-Hsin Chen wrote:
>> From: Yuan-Hsin Chen <yuanlmm@...il.com>
>>
>> Due to fusb300 controller modification, stall clear procedure should be
>> modified consistantly. This patch also fixes software bugs: only
>> enter IDMA_RESET when the condition matched and disable corresponding
>> PRD interrupt in IDMA_RESET.
>>
>>
>> Signed-off-by: Yuan-Hsin Chen <yhchen@...aday-tech.com>
>
> I have been trying to understand if this is a bug fix or if it can wait
> until v3.10.

There are a software bug fix and two corresponding fixes to hw register
 modification in the patch. Should it wait until v3.10?
>
> Also, according to your commit log, it seems like this patch is doing
> more than one thing, which is really frowned upon. Please split it up
> into separate logically self-contained changes. While doing that, make
> sure that your commit log explains the problem and the solution very
> well. Saying that because of a controller modification you need to
> change stall clear consistently isn't enough.

I will split it up and explain more clearly.
Thanks.
>
> Don't forget to mention how and with which platforms you tested.
>
> --
> balbi
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