linux-kernel - Re: [PATCH] dma: dmaengine: Distinguish between 'dmaengine: failed to get' messages

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Date:	Tue, 06 Mar 2012 17:01:38 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	linux-kernel@...r.kernel.org, dan.j.williams@...el.com,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH] dma: dmaengine: Distinguish between 'dmaengine: failed
 to get' messages

On Tue, 2012-02-21 at 12:51 -0200, Fabio Estevam wrote:
> The message "dmaengine: failed to get" can come from two possible locations within dmaengine.c.
> 
> In order to distinguish between them, replace "dmaengine" with __func__ string so that the
> source function of the error message can be easily identified.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
> ---
>  drivers/dma/dmaengine.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
> index a6c6051..ac10325 100644
> --- a/drivers/dma/dmaengine.c
> +++ b/drivers/dma/dmaengine.c
> @@ -510,8 +510,8 @@ struct dma_chan *__dma_request_channel(dma_cap_mask_t *mask, dma_filter_fn fn, v
>  					 dma_chan_name(chan));
>  				list_del_rcu(&device->global_node);
>  			} else if (err)
> -				pr_debug("dmaengine: failed to get %s: (%d)\n",
> -					 dma_chan_name(chan), err);
> +				pr_debug("%s: failed to get %s: (%d)\n",
> +					__func__, dma_chan_name(chan), err);
>  			else
>  				break;
>  			if (--device->privatecnt == 0)
> @@ -564,8 +564,8 @@ void dmaengine_get(void)
>  				list_del_rcu(&device->global_node);
>  				break;
>  			} else if (err)
> -				pr_err("dmaengine: failed to get %s: (%d)\n",
> -				       dma_chan_name(chan), err);
> +				pr_err("%s: failed to get %s: (%d)\n",
> +					__func__, dma_chan_name(chan), err);
>  		}
>  	}
>  
Applied, Thanks

-- 
~Vinod

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