Re: [PATCHv2] dmaengine: tegra210-adma: use platform to ioremap
From: Mikko Perttunen
Date: Sun Feb 01 2026 - 21:55:45 EST
On Tuesday, January 20, 2026 8:25 AM Rosen Penev wrote:
> Simplify the code slightly with devm_platform_ioremap_resource.
>
> Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
> ---
> v2: reword commit message
> drivers/dma/tegra210-adma.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
> index 215bfef37ec6..5353fbb3d995 100644
> --- a/drivers/dma/tegra210-adma.c
> +++ b/drivers/dma/tegra210-adma.c
> @@ -1073,14 +1073,9 @@ 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 -ENODEV;
> - }
> + 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;
> }
> --
> 2.52.0
>
>
The commit subject "use platform to remap" doesn't make much sense. I'd just say e.g. "use devm_platform_ioremap_resource".
With that,
Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>