[PATCH] dma: ti: k3-udma: Reset the channel during release

[Grygorii Strashko]

On 17/09/2020 17:41, Vignesh Raghavendra wrote:
> Reset the channel completely during channel release in order to clear
> teardown bit before handing over to next user or jumping to Linux.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> ---
>   drivers/dma/ti/k3-udma.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
> index 57d9fbfabb..94216045cc 100644
> --- a/drivers/dma/ti/k3-udma.c
> +++ b/drivers/dma/ti/k3-udma.c
> @@ -1134,7 +1134,9 @@ err_free_res:
>   
>   static void udma_free_chan_resources(struct udma_chan *uc)
>   {
> -	/* Some configuration to UDMA-P channel: disable, reset, whatever */
> +	/* Hard reset UDMA channel */
> +	udma_stop_hard(uc);
> +	udma_reset_counters(uc);
>   
>   	/* Release PSI-L pairing */
>   	udma_navss_psil_unpair(uc->ud, uc->config.src_thread, uc->config.dst_thread);
> 

Thank you.
Reviewed-by: Grygorii Strashko <grygorii.strashko at ti.com>

-- 
Best regards,
grygorii