linux-kernel - Re: [PATCH] dmaengine: pxa: handle bus errors

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Message-ID: <87d1pqt1ow.fsf@belgarion.home>
Date:	Sat, 16 Apr 2016 10:09:19 +0200
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: pxa: handle bus errors

Vinod Koul <vinod.koul@...el.com> writes:

> On Thu, Apr 14, 2016 at 08:23:26PM +0200, Robert Jarzmik wrote:
>> Vinod Koul <vinod.koul@...el.com> writes:
>> 
>> > So what exactly are you trying to fix/achive here?
>> Euh you mean the first chapter about the "endless spin" is not clear ?
>> This is what I'm trying to fix, the unstoppable endless relauch of a descriptor
>> doomed to make the same bus error over and over again.
>
> Okay so IIUC the patch here essential stops all transfers and abort the
> channel, right?
That's exactly it, yes, abort the channel, stop all the transfers.

Cheers.

-- 
Robert