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Mon, 26 Aug 2024 05:25:31 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE114.ent.ti.com (10.64.6.35) 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; Mon, 26 Aug 2024 05:25:31 -0500 Received: from localhost (chintan-thinkstation-p360-tower.dhcp.ti.com [172.24.227.220]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 47QAPU2k040611; Mon, 26 Aug 2024 05:25:31 -0500 From: Chintan Vankar To: Michal Simek , Vignesh Raghavendra , Dhruva Gole , Neha Malcom Francis , Udit Kumar , MD Danish Anwar , Marek Vasut , "Matthias Schiffer" , Andreas Dannenberg , Jonas Karlman , Devarsh Thakkar , Quentin Schulz , Sean Anderson , Simon Glass , Kishon Vijay Abraham I , Andrew Davis , Joao Paulo Goncalves , Mattijs Korpershoek , Wadim Egorov , "Chintan Vankar" , Francesco Dolcini , Alexander Sverdlin , Siddharth Vadapalli , Nishanth Menon , Sumit Garg , Tom Rini CC: Subject: [PATCH v6 06/11] dma: ti: k3-udma: Add support for native configuration of chan/flow Date: Mon, 26 Aug 2024 15:55:10 +0530 Message-ID: <20240826102515.2774296-7-c-vankar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240826102515.2774296-1-c-vankar@ti.com> References: <20240826102515.2774296-1-c-vankar@ti.com> 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 From: Kishon Vijay Abraham I In absence of Device Manager (DM) services such as at R5 SPL stage, driver will have to natively setup TCHAN/RCHAN/RFLOW cfg registers. Existing UDMA driver performed the above mentioned configuration for UDMA. Add similar configuration for PKTDMA here. Reviewed-by: Alexander Sverdlin Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Siddharth Vadapalli Signed-off-by: Chintan Vankar --- Link to v5: https://lore.kernel.org/r/20240813105400.4054657-6-c-vankar@ti.com/ Changes from v5 to v6: - Added Reviewed-by tag from Alexander Sverdlin. drivers/dma/ti/k3-udma.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index b7e674f2186..e23d09e6b81 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2118,6 +2118,9 @@ static int bcdma_tisci_tx_channel_config(struct udma_chan *uc) if (ret) dev_err(ud->dev, "tchan%d cfg failed %d\n", tchan->id, ret); + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_tchan_raw(uc); + return ret; } @@ -2166,6 +2169,9 @@ static int pktdma_tisci_rx_channel_config(struct udma_chan *uc) dev_err(ud->dev, "flow%d config failed: %d\n", uc->rflow->id, ret); + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_rchan_raw(uc); + return ret; }