Re: [PATCHv4] dmaengine: tegra210-adma: use platform to ioremap

[Frank Li <Frank.li@oss.nxp.com>]

On Tue, Jun 09, 2026 at 02:25:31PM -0700, Rosen Penev wrote:

Nit: subject
dmaengine: tegra210-adma: use devm_platform_ioremap_resource()

> Simpler to call devm_platform_ioremap_resource() as it returns multiple
> error messages for whichever part fails.
>
> Signed-off-by: Rosen Penev <rosenp@gmail.com>
> ---

Reviewed-by: Frank Li <Frank.Li@nxp.com>

>  v4: rebase and reword commit message
>  v3: change subject
>  v2: reword commit message
>  drivers/dma/tegra210-adma.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
> index ceaee1e33e68..21a381d022cf 100644
> --- a/drivers/dma/tegra210-adma.c
> +++ b/drivers/dma/tegra210-adma.c
> @@ -1087,15 +1087,9 @@ static int tegra_adma_probe(struct platform_device *pdev)
>  		}
>  	} else {
>  		/* If no 'page' property found, then reg DT binding would be legacy */
> -		res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -		if (res_base) {
> -			tdma->base_addr = devm_ioremap_resource(&pdev->dev, res_base);
> -			if (IS_ERR(tdma->base_addr))
> -				return PTR_ERR(tdma->base_addr);
> -		} else {
> -			return dev_err_probe(&pdev->dev, -ENODEV,
> -					     "failed to get memory resource\n");
> -		}
> +		tdma->base_addr = devm_platform_ioremap_resource(pdev, 0);
> +		if (IS_ERR(tdma->base_addr))
> +			return PTR_ERR(tdma->base_addr);
>
>  		tdma->ch_base_addr = tdma->base_addr + cdata->ch_base_offset;
>  	}
> --
> 2.54.0
>