[PATCH v2 1/3] dmaengine: vchan: add vchan_chan_name() to get channel device name

[Andy Shevchenko]

On Thu, Sep 03, 2026 at 04:53:11PM -0400, Frank.Li at oss.nxp.com wrote:

> Introduce vchan_chan_name() to obtain the DMA channel device name.
> 
> Use a dedicated helper instead of directly accessing dma_chan::dev
> so callers remain unaffected by an upcoming rename of the struct member.

LGTM,
Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

...

>  		ret = devm_request_irq(&pdev->dev, chan->irq,
>  				       stm32_dma_chan_irq, 0,
> -				       dev_name(chan2dev(chan)), chan);
> +				       vchan_chan_name(&chan->vchan), chan);
>  		if (ret) {
>  			dev_err(&pdev->dev,
>  				"request_irq failed with err %d channel %d\n",

This one...

> +++ b/drivers/dma/stm32/stm32-dma3.c

>  		ret = devm_request_irq(&pdev->dev, chan->irq, stm32_dma3_chan_irq, 0,
> -				       dev_name(chan2dev(chan)), chan);
> +				       vchan_chan_name(&chan->vchan), chan);
>  		if (ret) {
>  			dev_err_probe(&pdev->dev, ret, "Failed to request channel %s IRQ\n",
> -				      dev_name(chan2dev(chan)));
> +				      vchan_chan_name(&chan->vchan));
>  			goto err_clk_disable;

...and this one are duplicate messages as devm_request*irq() printsr
most of the information.

Not sure if there will be a patch to simply drop them.

-- 
With Best Regards,
Andy Shevchenko