linux-kernel - Re: [PATCH] dmaengine: pl08x: fix conversioin for generic unmap data

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Message-ID: <20131128060043.GO8834@intel.com>
Date:	Thu, 28 Nov 2013 11:30:43 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Olof Johansson <olof@...om.net>
Cc:	dan.j.williams@...el.com, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: pl08x: fix conversioin for generic unmap
 data

On Tue, Nov 26, 2013 at 08:53:24PM -0800, Olof Johansson wrote:
> commit d38a8c622a1b ('dmaengine: prepare for generic 'unmap' data')
> added a generic unmap call but used the wrong argument for it. Fix it.
> 
> Fixes: d38a8c622a1b ('dmaengine: prepare for generic 'unmap' data')
> Signed-off-by: Olof Johansson <olof@...om.net>
Acked-by: Vinod Koul <vinod.koul@...el.com>

> ---
> 
> I can't actually tell what the intent of d38a8cc622a1b and how mappings
> are expected to be managed, but it's obviously passing the wrong thing
> in here so it seems like the appropriate fix.
> 
>  drivers/dma/amba-pl08x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
> index 16a2aa28f856..ec4ee5c1fe9d 100644
> --- a/drivers/dma/amba-pl08x.c
> +++ b/drivers/dma/amba-pl08x.c
> @@ -1169,7 +1169,7 @@ static void pl08x_desc_free(struct virt_dma_desc *vd)
>  	struct pl08x_txd *txd = to_pl08x_txd(&vd->tx);
>  	struct pl08x_dma_chan *plchan = to_pl08x_chan(vd->tx.chan);
>  
> -	dma_descriptor_unmap(txd);
> +	dma_descriptor_unmap(&vd->tx);
>  	if (!txd->done)
>  		pl08x_release_mux(plchan);
>  
> -- 
> 1.8.4.1.601.g02b3b1d
> 

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