[PATCH 1/2] dmaengine: use dma_chan_name() helper to get per-channel device name

[Andy Shevchenko]

On Wed, Aug 12, 2026 at 05:24:08PM -0400, Frank.Li at oss.nxp.com wrote:

> Use the existing dma_chan_name() helper to obtain the per-channel device
> name instead of open-coding: dev_name(chan->dev->device) /
> dev_name(chan2dev())
> 
> Simplify the code and improve consistency.
> 
> No functional change intended.

...

>  		ret = devm_request_irq(dev, lchan->irq, loongson2_cmc_dma_chan_irq, IRQF_SHARED,
> -				       dev_name(chan2dev(lchan)), lchan);
> +				       dma_chan_name(&lchan->vchan.chan), lchan);

Depending on the amount of users (and I expect there is a number), I would
expect specific API for virt-dma case.

>  		if (ret)
>  			return ret;

-- 
With Best Regards,
Andy Shevchenko