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.