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

[Jon Hunter <jonathanh@nvidia.com>]

On 09/06/2026 22:25, Rosen Penev wrote:
> 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>
> ---
>   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);

The dev_err_probe() was purposely added to assist debug. Please don't 
drop this.

Jon

-- 
nvpublic