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Wed, 30 Sep 2020 04:14:23 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 30 Sep 2020 04:14:22 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE101.ent.ti.com (10.64.6.22) 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, 30 Sep 2020 04:14:22 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08U9DuJf116385; Wed, 30 Sep 2020 04:14:20 -0500 From: Peter Ujfalusi To: , , , , Subject: [PATCH 08/18] dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings Date: Wed, 30 Sep 2020 12:14:02 +0300 Message-ID: <20200930091412.8020-9-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200930091412.8020-1-peter.ujfalusi@ti.com> References: <20200930091412.8020-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200930_051426_905434_61563754 X-CRM114-Status: GOOD ( 13.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, lokeshvutla@ti.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Rings in RING mode should be using the DMA device for DMA API as in this mode the ringacc will not access the ring memory in any ways, but the DMA is. Fix up the ring configuration and set the dma_dev unconditionally and let the ringacc driver to select the correct device to use for DMA API. Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/k3-udma-glue.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c index a53bc4707ae8..f39825ce288a 100644 --- a/drivers/dma/ti/k3-udma-glue.c +++ b/drivers/dma/ti/k3-udma-glue.c @@ -280,6 +280,10 @@ struct k3_udma_glue_tx_channel *k3_udma_glue_request_tx_chn(struct device *dev, goto err; } + /* Set the dma_dev for the rings to be configured */ + cfg->tx_cfg.dma_dev = k3_udma_glue_tx_get_dma_device(tx_chn); + cfg->txcq_cfg.dma_dev = cfg->tx_cfg.dma_dev; + ret = k3_ringacc_ring_cfg(tx_chn->ringtx, &cfg->tx_cfg); if (ret) { dev_err(dev, "Failed to cfg ringtx %d\n", ret); @@ -589,6 +593,10 @@ static int k3_udma_glue_cfg_rx_flow(struct k3_udma_glue_rx_channel *rx_chn, goto err_rflow_put; } + /* Set the dma_dev for the rings to be configured */ + flow_cfg->rx_cfg.dma_dev = k3_udma_glue_rx_get_dma_device(rx_chn); + flow_cfg->rxfdq_cfg.dma_dev = flow_cfg->rx_cfg.dma_dev; + ret = k3_ringacc_ring_cfg(flow->ringrx, &flow_cfg->rx_cfg); if (ret) { dev_err(dev, "Failed to cfg ringrx %d\n", ret); -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel