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

Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/[email protected]> Fri, 14 Aug 2026 11:03:48 +0300

Newsgroups	gmane.linux.ports.tegra,gmane.linux.ports.arm.kernel,gmane.linux.kernel,gmane.linux.ports.mips
Organization	Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo
Message-ID	<[email protected]>

On Wed, Aug 12, 2026 at 05:24:08PM -0400, [email protected] 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