linux-kernel - Re: [PATCH 1/2] dma: cppi41: redo descriptor collection in abort case

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Date:	Mon, 28 Oct 2013 12:10:44 +0100
From:	Daniel Mack <zonque@...il.com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org, Felipe Balbi <balbi@...com>,
	linux-usb@...r.kernel.org, kishon@...com
Subject: Re: [PATCH 1/2] dma: cppi41: redo descriptor collection in abort
 case

On 10/18/2013 11:03 AM, Daniel Mack wrote:
> Hi Sebastian,
> 
> On 10/17/2013 04:36 PM, Sebastian Andrzej Siewior wrote:
>> On 10/17/2013 04:23 PM, Daniel Mack wrote:
>>>> Daniel, could please look if this solves your suspend / resume warnings?
> 
> Looking very good :)
> 
>> dma: cppi41: add support for suspend and resume
>> dma: cppi41: restore more registers
>> dma: cppi41: use cppi41_pop_desc() where possible
>> dma: cppi41: redo descriptor collection in abort case
>> dma: cppi41: return code > 0 of pm_runtime_get_sync() is not an error
> 
> Tested with those patches applied, and did dozens of sleep/resume cycley
> - no problem seen.
> 
> Thanks a bunch again. Vinod, you can add my
> 
> 	Tested-by: Daniel Mack <zonque@...il.com>
> 
> if you want.

Vinod, in case you're ok with these changes, it would be good to have
them for 3.13. Sebastian recently resent them all again (3 from me, 2
from him).


Thanks,
Daniel

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