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=-8.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 ECA26C2D0A3 for ; Wed, 4 Nov 2020 11:32:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E3B6223AB for ; Wed, 4 Nov 2020 11:32:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="EhecplSK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726344AbgKDLcP (ORCPT ); Wed, 4 Nov 2020 06:32:15 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:56776 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728700AbgKDLcP (ORCPT ); Wed, 4 Nov 2020 06:32:15 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0A4BWCP3100698; Wed, 4 Nov 2020 05:32:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1604489532; bh=ztLoYX10ZTEEbpI78aHru5T6FuTRLWTP546PVk0/y/o=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=EhecplSKO6BqGDWprYkaj3oXm1VdAlSyMKyAqgcoWFTyZcyuPojHL/o0tvps+bb9y Oiotjck0XRknwO8N2SLU3kfBK9JITk6O0ey0XWBUICYJHI28YfzyIq7g7eQIkfpOlR MonYeJQi99FFwnXQaxo+rA1jxE315SNX9PuruIFk= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0A4BWC4M074252 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 4 Nov 2020 05:32:12 -0600 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 4 Nov 2020 05:32:12 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 4 Nov 2020 05:32:12 -0600 Received: from [10.250.100.73] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0A4BWAAq099857; Wed, 4 Nov 2020 05:32:10 -0600 Subject: Re: [PATCH] dmaengine: ti: k3-udma-glue: move psi-l pairing in channel en/dis functions To: Peter Ujfalusi , Vinod Koul , CC: Sekhar Nori , , Vignesh Raghavendra References: <20201030203000.4281-1-grygorii.strashko@ti.com> <62a8dc0b-821d-c3a6-279c-97b3082b898c@ti.com> From: Grygorii Strashko Message-ID: Date: Wed, 4 Nov 2020 13:32:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <62a8dc0b-821d-c3a6-279c-97b3082b898c@ti.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org 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 > > >> Signed-off-by: Grygorii Strashko >> --- >> drivers/dma/ti/k3-udma-glue.c | 64 +++++++++++++++++++++-------------- >> 1 file changed, 38 insertions(+), 26 deletions(-) ... -- Best regards, grygorii