Re: [PATCH 10/18] dma: edma: Reduce debug print verbosity for non verbose debugging

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On Thu, 2014-03-13 at 11:18 +0200, Peter Ujfalusi wrote:
> Do not print the paRAM information when verbose debugging is not asked and
> also reduce the number of lines printed in edma_prep_dma_cyclic()
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
>  drivers/dma/edma.c | 11 +++++------
>  1 file changed, 5 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
> index e4f4a0cef58c..e2aa42b8342f 100644
> --- a/drivers/dma/edma.c
> +++ b/drivers/dma/edma.c
> @@ -141,7 +141,7 @@ static void edma_execute(struct edma_chan *echan)
>  	for (i = 0; i < nslots; i++) {
>  		j = i + edesc->processed;
>  		edma_write_slot(echan->slot[i], &edesc->pset[j]);
> -		dev_dbg(echan->vchan.chan.device->dev,
> +		dev_vdbg(echan->vchan.chan.device->dev,
>  			"\n pset[%d]:\n"
>  			"  chnum\t%d\n"
>  			"  slot\t%d\n"

I believe you may move this code to separate function and reuse it
later.
Moreover %d is not good specifier for unsigned types, maybe %u?

> @@ -554,9 +554,8 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
>  	edesc->cyclic = 1;
>  	edesc->pset_nr = nslots;
>  
> -	dev_dbg(dev, "%s: nslots=%d\n", __func__, nslots);
> -	dev_dbg(dev, "%s: period_len=%d\n", __func__, period_len);
> -	dev_dbg(dev, "%s: buf_len=%d\n", __func__, buf_len);
> +	dev_dbg(dev, "%s: channel=%d nslots=%d period_len=%d buf_len=%d\n",
> +		__func__, echan->ch_num, nslots, period_len, buf_len);

Consider to use proper specifiers for size_t types, namely %zd.

>  
>  	for (i = 0; i < nslots; i++) {
>  		/* Allocate a PaRAM slot, if needed */
> @@ -590,8 +589,8 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
>  		else
>  			src_addr += period_len;
>  
> -		dev_dbg(dev, "%s: Configure period %d of buf:\n", __func__, i);
> -		dev_dbg(dev,
> +		dev_vdbg(dev, "%s: Configure period %d of buf:\n", __func__, i);
> +		dev_vdbg(dev,

See the first comment.

>  			"\n pset[%d]:\n"
>  			"  chnum\t%d\n"
>  			"  slot\t%d\n"


-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Intel Finland Oy
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