lkml.org 
[lkml]   [2020]   [Nov]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] dmaengine: ti: k3-udma-glue: move psi-l pairing in channel en/dis functions
From
Date


On 02/11/2020 09:46, Peter Ujfalusi wrote:
>
>
> On 30/10/2020 22.30, Grygorii Strashko wrote:
>> The NAVSS UDMA will stuck if target IP module is disabled by PM while PSI-L
>> threads are paired UDMA<->IP and no further transfers is possible. This
>> could be the case for IPs J721E Main CPSW (cpsw9g).
>>
>> Hence, to avoid such situation do PSI-L threads pairing only when UDMA
>> channel is going to be enabled as at this time DMA consumer module expected
>> to be active already.
>
> Is this patch on top of the AM64 (BCDMA/PKTDMA) series or not?
> Will it cause any conflict?

No. It was not based on top of AM64 series and I've not checked for conflicts.

>
> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>
>
>> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
>> ---
>> drivers/dma/ti/k3-udma-glue.c | 64 +++++++++++++++++++++--------------
>> 1 file changed, 38 insertions(+), 26 deletions(-)

...

--
Best regards,
grygorii

\
 
 \ /
  Last update: 2020-11-04 12:33    [W:0.105 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site