Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp3143522pxb; Mon, 9 Nov 2020 03:56:12 -0800 (PST) X-Google-Smtp-Source: ABdhPJyk/FGwxxbVvHFSG+kf5KuJDA7pHeQigj/UADCbfjCFe+BxMr08jIrurodDiyvmp9ZVKKN1 X-Received: by 2002:aa7:df82:: with SMTP id b2mr14431558edy.251.1604922972537; Mon, 09 Nov 2020 03:56:12 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604922972; cv=none; d=google.com; s=arc-20160816; b=iy/q7r17ig3PTA+VfCe/qB72F5hhbFEMSq/OhfA14hW0ZGHWKau17rP8YKX0EcX5Fp l7qKWByn8yZWzG//edJXmmrGQkbQtrPcNkEKUyuDb54oCsDPuV0j9/AKKG/Y77r9rRkT C+BJCN/mvyJmE5iNnYu4/db9hHgIOhW80cmrMF6GS5rLDeV69xJFUpFVPbpnmB1JF5yT AxFioKYKqmJvrtNM64GIC75CVFJ0Q+5+YxU58/TpKlAb840OBSeYMAdVDbAHW1Oexhlp DjXcZeT6o/5ZAPxIvgRQQwO7DjeLqpt3L9KmYQL5a1tMEqY4TbX/o3EirvxmTpmKUXHf Hfyg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=uZWSobyrFNd9LAvouXZBpGrlhZ5ZcCy3RRf10cMr3WI=; b=F0Hvow5U1FqFnr9Dl60Ia0NE9g3SHWaFKiW8wiEJehChbzT52VwrhmFE9N3QwQE7Ny TwYgkqzBNEugUk/bINIYxqOnV+XXs9U8yu7PqwPbAiy4HL0EFL9AMKD10BzEOKbCCYnL xHV81gzSHMDGZRtjVWbqOZUxa6P7hHnVptdscHQR8qplnj6RW0Hab4HS8z/ogjNDnmtY OIIP/PE5FbXp4Nc9cN+n7BAgy8l+N/7ggR5Y7YByc/9jBt9gRVT13z6uGyaS9vDPJkvZ d6A2ObYAGOyGW5jCZOBlHyzwU1ReQ5qsFSh11y6hbQMjjvFnFNbaXxa+vR9WSx74t751 TVJw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=kJi+z3Hk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id cb20si6757451ejb.533.2020.11.09.03.55.49; Mon, 09 Nov 2020 03:56:12 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=kJi+z3Hk; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729516AbgKILyV (ORCPT + 99 others); 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: linux-kernel@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