linux-kernel - Re: [Discussion] USB: musb-gadget: how to fix ZLP issue in musb_g

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Message-ID: <AANLkTi=y-HfvDOvhW-WhLFq5TUCjGA-52cuyByCHMvvV@mail.gmail.com>
Date:	Thu, 16 Sep 2010 11:45:32 +0530
From:	"Gadiyar, Anand" <gadiyar@...com>
To:	balbi@...com
Cc:	Sergei Shtylyov <sshtylyov@...sta.com>,
	Ming Lei <tom.leiming@...il.com>,
	"greg@...ah.com" <greg@...ah.com>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Mike Frysinger <vapier@...too.org>
Subject: Re: [Discussion] USB: musb-gadget: how to fix ZLP issue in musb_g_tx

On Thu, Sep 16, 2010 at 11:35 AM, Felipe Balbi <balbi@...com> wrote:
> Hi,
>
> On Wed, Sep 15, 2010 at 08:10:15AM -0500, Sergei Shtylyov wrote:
>>
>>   I don't see what to rework. The last short packet should still satisfy
>> (request->actual == request->length) condition, no?
>
> of course not, it's short not zero. so the last short packet can be
> anything from 1 to 511 bytes.
>

If it's TX, both condtions should automatically be true, right?

- Anand
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