From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEBAEC388F7 for ; Mon, 9 Nov 2020 11:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78A4220731 for ; Mon, 9 Nov 2020 11:54:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604922861; bh=+iw175/J1tq/P37phiK8nKg7R+loYoDsitcIgM1b1NU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=aSuIW8oL2hOb2LCBHsqy7lRcuQBn5XN12a9KPNcMIqYLemV+D1imEopG2JaKx/8Wy nVYJbaAO4ljMuV9ATR+J4nPUIxoDy5VoUqocoZf7vj0txzwVr7buM631pIaCv/Izpm Gl1Bcv+4UM8MV0tNOFtYiwxeyb0q1halp3lKvt6o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729493AbgKILyV (ORCPT ); Mon, 9 Nov 2020 06:54:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:36728 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726999AbgKILyU (ORCPT ); Mon, 9 Nov 2020 06:54:20 -0500 Received: from localhost (unknown [122.171.147.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 57C1F206ED; Mon, 9 Nov 2020 11:54:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604922860; bh=+iw175/J1tq/P37phiK8nKg7R+loYoDsitcIgM1b1NU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kJi+z3HkhjjKIfrIUjHaehZ2GrU6GzR3biMhOBsJrA+VjIf3RdwZbTwRfBmjmjEZ4 x18gf7JYc/ZG3Pr3PZjB49jNyMt1jeD8g48lcK4G1UEY1XcFp2rqM7gRwCpWslPO3y LA98WOI4erzaVgnXAWAUKoYj08NP6aHa7oMy99mg= Date: Mon, 9 Nov 2020 17:24:15 +0530 From: Vinod Koul To: Grygorii Strashko Cc: Peter Ujfalusi , dmaengine@vger.kernel.org, Sekhar Nori , linux-kernel@vger.kernel.org, Vignesh Raghavendra Subject: Re: [PATCH] dmaengine: ti: k3-udma-glue: move psi-l pairing in channel en/dis functions Message-ID: <20201109115415.GM3171@vkoul-mobl> References: <20201030203000.4281-1-grygorii.strashko@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201030203000.4281-1-grygorii.strashko@ti.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org 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