Re: [PATCH 1/7] dmaengine: dw-edma: Fix HDMA channel status register access

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

On Fri, Jul 10, 2026 at 05:08:57PM +0900, Koichiro Den wrote:
> GET_CH_32() takes the direction before the channel ID, but
> dw_hdma_v0_core_ch_status() passed them in the opposite order. This can
> make the status callback read another HDMA channel status register.
>
> Use the same argument order as the other HDMA register accesses.
>
> Fixes: e74c39573d35 ("dmaengine: dw-edma: Add support for native HDMA")
> Cc: stable@vger.kernel.org
> Reviewed-by: Frank Li <Frank.Li@nxp.com>
> Signed-off-by: Koichiro Den <den@valinux.co.jp>
> ---

Do you miss version number at subject?

Frank

> Changes in v2:
>   - Split out into this preparation series (was patch 02/17 of the
>     dynamic LL appends v1); no changes to the patch itself.
>   - Collect Frank's Reviewed-by.
>
>  drivers/dma/dw-edma/dw-hdma-v0-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/dw-edma/dw-hdma-v0-core.c b/drivers/dma/dw-edma/dw-hdma-v0-core.c
> index 632abb8b481c..2beec876b184 100644
> --- a/drivers/dma/dw-edma/dw-hdma-v0-core.c
> +++ b/drivers/dma/dw-edma/dw-hdma-v0-core.c
> @@ -79,7 +79,7 @@ static enum dma_status dw_hdma_v0_core_ch_status(struct dw_edma_chan *chan)
>  	u32 tmp;
>
>  	tmp = FIELD_GET(HDMA_V0_CH_STATUS_MASK,
> -			GET_CH_32(dw, chan->id, chan->dir, ch_stat));
> +			GET_CH_32(dw, chan->dir, chan->id, ch_stat));
>
>  	if (tmp == 1)
>  		return DMA_IN_PROGRESS;
> --
> 2.51.0
>