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Thu, 11 Jan 2024 01:06:27 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE108.ent.ti.com (10.64.6.29) 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; Thu, 11 Jan 2024 01:06:27 -0600 Received: from lelv0854.itg.ti.com (lelv0854.itg.ti.com [10.181.64.140]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40B76Rfu085745; Thu, 11 Jan 2024 01:06:27 -0600 Received: from localhost (danish-tpc.dhcp.ti.com [10.24.69.25]) by lelv0854.itg.ti.com (8.14.7/8.14.7) with ESMTP id 40B76QiB017666; Thu, 11 Jan 2024 01:06:27 -0600 From: MD Danish Anwar To: Dan Carpenter , Siddharth Vadapalli , Maxime Ripard , Roger Quadros , Matthias Schiffer , Stefan Roese , Qu Wenruo , Sean Anderson , Bryan Brattlof , Heinrich Schuchardt , Christian Gmeiner , Nishanth Menon , Vignesh Raghavendra , Andy Shevchenko , Nikhil M Jain , Manorit Chawdhry , Andrew Davis , Neha Malcom Francis , Simon Glass , MD Danish Anwar , FUKAUMI Naoki , Christian Hewitt , Hai Pham , Svyatoslav Ryhel , Jonas Karlman , Neil Armstrong , Marek Vasut , Michal Simek , Kever Yang , Ramon Fried , Joe Hershberger CC: , , Subject: [RFC PATCH v2 01/15] dma: ti: k3-udma: Use ring_idx to pair k3 nav rings Date: Thu, 11 Jan 2024 12:35:57 +0530 Message-ID: <20240111070611.342701-2-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240111070611.342701-1-danishanwar@ti.com> References: <20240111070611.342701-1-danishanwar@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Mailman-Approved-At: Thu, 11 Jan 2024 14:08:34 +0100 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 --- 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) {