From patchwork Tue Jan 30 06:18:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: MD Danish Anwar X-Patchwork-Id: 1892674 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=E1S7cxI3; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TPFNb5kY5z1yQ0 for ; Tue, 30 Jan 2024 17:18:39 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 54DF587BAD; Tue, 30 Jan 2024 07:18:32 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="E1S7cxI3"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 1145087BB4; Tue, 30 Jan 2024 07:18:31 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2, SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.2 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 3AB6587B3D for ; Tue, 30 Jan 2024 07:18:28 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=danishanwar@ti.com Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 40U6IHju126141; Tue, 30 Jan 2024 00:18:17 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1706595497; bh=mActO3s2qalpuJmmXBYEOV/K2ulX68VGTr7y0aZdk3c=; h=From:To:CC:Subject:Date; b=E1S7cxI3pH25kBsZoB8JYQz4DFddvCiFXXfotEay3SQdAA+AN7lxrx2S8BTjmujxR qB7hX5ves7gvTNPe2c31zbOQCll8Gvd7RY/Edgl4HB2B7SIdN4VD3a4uTNJ8u0EWjU 0KiRqG9+Q3kx0GTaP+ucVnAJDrqor3mdYv286bNU= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 40U6IHNF080594 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 30 Jan 2024 00:18:17 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) 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 15.1.2507.23; Tue, 30 Jan 2024 00:18:07 -0600 Received: from fllvsmtp7.itg.ti.com (10.64.40.31) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 30 Jan 2024 00:18:07 -0600 Received: from fllv0122.itg.ti.com (fllv0122.itg.ti.com [10.247.120.72]) by fllvsmtp7.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40U6I7Ro005396; Tue, 30 Jan 2024 00:18:07 -0600 Received: from localhost (danish-tpc.dhcp.ti.com [10.24.69.25]) by fllv0122.itg.ti.com (8.14.7/8.14.7) with ESMTP id 40U6I6wC030975; Tue, 30 Jan 2024 00:18:06 -0600 From: MD Danish Anwar To: Matthias Schiffer , MD Danish Anwar , Nishanth Menon , Vignesh Raghavendra , Simon Glass , Tom Rini CC: , , , Roger Quadros Subject: [PATCH v4] dma: ti: k3-udma: Use ring_idx to pair k3 nav rings Date: Tue, 30 Jan 2024 11:48:04 +0530 Message-ID: <20240130061804.2342672-1-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Use ring_idx to pair rings. ring_idx will be same as tx flow_id for all non-negative flow_ids. For negative flow_ids, ring_idx will be tchan->id added with bchan_cnt. Signed-off-by: MD Danish Anwar Reviewed-by: Ravi Gunasekaran --- Changes from v3 to v4: *) No functional change. Splitted the patch out of the series as suggested by Nishant. v3: https://lore.kernel.org/all/20240124064930.1787929-2-danishanwar@ti.com/ drivers/dma/ti/k3-udma.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 8a62d63dfe..eea9ec9659 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -876,13 +876,20 @@ static int udma_alloc_tx_resources(struct udma_chan *uc) { struct k3_nav_ring_cfg ring_cfg; struct udma_dev *ud = uc->ud; - int ret; + struct udma_tchan *tchan; + int ring_idx, ret; ret = udma_get_tchan(uc); if (ret) return ret; - ret = k3_nav_ringacc_request_rings_pair(ud->ringacc, uc->tchan->id, -1, + tchan = uc->tchan; + if (tchan->tflow_id >= 0) + ring_idx = tchan->tflow_id; + else + ring_idx = ud->bchan_cnt + tchan->id; + + ret = k3_nav_ringacc_request_rings_pair(ud->ringacc, ring_idx, -1, &uc->tchan->t_ring, &uc->tchan->tc_ring); if (ret) {