linux-kernel - Re: [PATCH] dmaengine: ti: k3-udma-glue: move psi-l pairing in channel en/dis functions

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Message-ID: <20201109115415.GM3171@vkoul-mobl>
Date:   Mon, 9 Nov 2020 17:24:15 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Grygorii Strashko <grygorii.strashko@...com>
Cc:     Peter Ujfalusi <peter.ujfalusi@...com>, dmaengine@...r.kernel.org,
        Sekhar Nori <nsekhar@...com>, linux-kernel@...r.kernel.org,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH] dmaengine: ti: k3-udma-glue: move psi-l pairing in
 channel en/dis functions

On 30-10-20, 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.

Applied, thanks

-- 
~Vinod