[PATCH 2/4] drivers: iio: ti_am335x_adc: add dma support

Peter Ujfalusi peter.ujfalusi at ti.com
Thu Sep 22 04:16:42 PDT 2016


On 09/22/16 13:45, Mugunthan V N wrote:
>>> +	if (!dma->chan)
>>> +		return -ENODEV;
>>> +
>>> +	/* RX buffer */
>>> +	dma->buf = dma_alloc_coherent(dma->chan->device->dev, DMA_BUFFER_SIZE,
>>> +				      &dma->addr, GFP_KERNEL);
>>> +	if (!dma->buf)
>>> +		goto err;
>>> +
>>> +	dev_dbg_ratelimited(adc_dev->mfd_tscadc->dev, "got dma channel\n");
>>
>> Do we need _ratelimited? AFAICS, this print is called only once.
> 
> True, will change to dev_dbg.

It would be better to remove it. It gives no useful debuggin information apart
from the fact that the driver did not failed to probe.

-- 
Péter



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