linux-kernel - Re: [[PATCH] 0/3] imx-dma: fixes

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Message-ID: <20130923041953.GA17188@intel.com>
Date:	Mon, 23 Sep 2013 09:49:53 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Michael Grzeschik <m.grzeschik@...gutronix.de>,
	Christoph Fritz <chf.fritz@...glemail.com>
Cc:	dan.j.williams@...el.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de
Subject: Re: [[PATCH] 0/3] imx-dma: fixes

On Tue, Sep 17, 2013 at 03:56:05PM +0200, Michael Grzeschik wrote:
> Hello,
> 
> this series is solving some lockdep issues in the imx-dma code.
> There are some list_head and deadlock issues in the code,
> that is running the implementation into unsafe situations.
Thanks for this, I have trying to fix this with testing done by Christoph. I had
similar set of fixes

Christoph can you pls try runnning this on your setup and check and we can apply
these

~Vinod
> 
> Regards,
> Michael
> 
> Michael Grzeschik (3):
>   dma: imx-dma: fix slow path issue in prep_dma_cyclic
>   dma: imx-dma: fix lockdep issue between irqhandler and tasklet
>   dma: imx-dma: fix callback path in tasklet
> 
>  drivers/dma/imx-dma.c | 31 +++++++++++++++----------------
>  1 file changed, 15 insertions(+), 16 deletions(-)
> 
> -- 
> 1.8.4.rc3
> 

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