Re: [PATCH 3/8] dmaengine: tegra: Make reset control optional

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

On Tue, Feb 17, 2026 at 11:04:52PM +0530, Akhil R wrote:
> Tegra264 BPMP restricts access to GPCDMA reset control and the reset

what's means of BPMP?

Frank
> is expected to be deasserted on boot by BPMP. Hence Make the reset
> control optional in the driver.
>
> Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
> ---
>  drivers/dma/tegra186-gpc-dma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c
> index 4d6fe0efa76e..236a298c26a1 100644
> --- a/drivers/dma/tegra186-gpc-dma.c
> +++ b/drivers/dma/tegra186-gpc-dma.c
> @@ -1382,7 +1382,7 @@ static int tegra_dma_probe(struct platform_device *pdev)
>  	if (IS_ERR(tdma->base_addr))
>  		return PTR_ERR(tdma->base_addr);
>
> -	tdma->rst = devm_reset_control_get_exclusive(&pdev->dev, "gpcdma");
> +	tdma->rst = devm_reset_control_get_optional_exclusive(&pdev->dev, "gpcdma");
>  	if (IS_ERR(tdma->rst)) {
>  		return dev_err_probe(&pdev->dev, PTR_ERR(tdma->rst),
>  			      "Missing controller reset\n");
> --
> 2.50.1
>