[PATCH 13/18] dma: edma: Print the direction value as well when it is not supported

Shevchenko, Andriy andriy.shevchenko at intel.com
Thu Mar 13 09:03:14 EDT 2014


On Thu, 2014-03-13 at 11:18 +0200, Peter Ujfalusi wrote:
> In case of not supported direction it is better to print the direction also.
> It is unlikely, but in such an event it helps with the debugging.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> ---
>  drivers/dma/edma.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
> index 47abaac7eb18..69dd4e3de67e 100644
> --- a/drivers/dma/edma.c
> +++ b/drivers/dma/edma.c
> @@ -426,7 +426,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
>  		dev_width = echan->cfg.dst_addr_width;
>  		burst = echan->cfg.dst_maxburst;
>  	} else {
> -		dev_err(dev, "%s: bad direction?\n", __func__);
> +		dev_err(dev, "%s: bad direction: %d\n", __func__, direction);

Is it possible to have direction less than zero? Maybe %u?

>  		return NULL;
>  	}
>  
> @@ -519,7 +519,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
>  		dev_width = echan->cfg.dst_addr_width;
>  		burst = echan->cfg.dst_maxburst;
>  	} else {
> -		dev_err(dev, "%s: bad direction?\n", __func__);
> +		dev_err(dev, "%s: bad direction: %d\n", __func__, direction);

Ditto.

>  		return NULL;
>  	}
>  


-- 
Andy Shevchenko <andriy.shevchenko at intel.com>
Intel Finland Oy
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