[v1,2/2] at_hdmac: return actual status when txstatus parameter is NULL

Message ID 20221108074938.48853-2-andriy.shevchenko@linux.intel.com
State New
Headers
Series [v1,1/2] at_hdmac: check and return DMA_PAUSED status when suitable |

Commit Message

Andy Shevchenko Nov. 8, 2022, 7:49 a.m. UTC
  There is no point to return DMA_ERROR if txstatus parameter is NULL. It's a
valid case and should be handled correspondingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/dma/at_hdmac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

Tudor Ambarus Nov. 8, 2022, 11:51 a.m. UTC | #1
On 11/8/22 09:49, Andy Shevchenko wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> There is no point to return DMA_ERROR if txstatus parameter is NULL. It's a
> valid case and should be handled correspondingly.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/dma/at_hdmac.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
> index a9d8dd990d6e..4035d5438530 100644
> --- a/drivers/dma/at_hdmac.c
> +++ b/drivers/dma/at_hdmac.c
> @@ -1679,7 +1679,7 @@ atc_tx_status(struct dma_chan *chan,
>         if (!txstate) {
>                 if (test_bit(ATC_IS_PAUSED, &atchan->status))
>                         return DMA_PAUSED;
> -               return DMA_ERROR;
> +               return dma_status;

oh, I see you do it here, please squash this patch to the previous one,
you introduced DMA_ERROR in the previous patch.

>         }
> 
>         spin_lock_irqsave(&atchan->vc.lock, flags);
> --
> 2.35.1
> 

-- 
Cheers,
ta
  

Patch

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index a9d8dd990d6e..4035d5438530 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1679,7 +1679,7 @@  atc_tx_status(struct dma_chan *chan,
 	if (!txstate) {
 		if (test_bit(ATC_IS_PAUSED, &atchan->status))
 			return DMA_PAUSED;
-		return DMA_ERROR;
+		return dma_status;
 	}
 
 	spin_lock_irqsave(&atchan->vc.lock, flags);