stm32-usart.c (87f1f809c9b90903e6a9ee0a8356a2303fd4270d) stm32-usart.c (8e5481d98bbf1de0ff06a3e488b668572d578e61)
1/*
2 * Copyright (C) Maxime Coquelin 2015
3 * Authors: Maxime Coquelin <mcoquelin.stm32@gmail.com>
4 * Gerald Baeza <gerald.baeza@st.com>
5 * License terms: GNU General Public License (GPL), version 2
6 *
7 * Inspired by st-asc.c from STMicroelectronics (c)
8 */

--- 729 unchanged lines hidden (view full) ---

738 GFP_KERNEL);
739 if (!stm32port->rx_buf) {
740 ret = -ENOMEM;
741 goto alloc_err;
742 }
743
744 /* Configure DMA channel */
745 memset(&config, 0, sizeof(config));
1/*
2 * Copyright (C) Maxime Coquelin 2015
3 * Authors: Maxime Coquelin <mcoquelin.stm32@gmail.com>
4 * Gerald Baeza <gerald.baeza@st.com>
5 * License terms: GNU General Public License (GPL), version 2
6 *
7 * Inspired by st-asc.c from STMicroelectronics (c)
8 */

--- 729 unchanged lines hidden (view full) ---

738 GFP_KERNEL);
739 if (!stm32port->rx_buf) {
740 ret = -ENOMEM;
741 goto alloc_err;
742 }
743
744 /* Configure DMA channel */
745 memset(&config, 0, sizeof(config));
746 config.src_addr = (dma_addr_t)port->membase + ofs->rdr;
746 config.src_addr = port->mapbase + ofs->rdr;
747 config.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
748
749 ret = dmaengine_slave_config(stm32port->rx_ch, &config);
750 if (ret < 0) {
751 dev_err(dev, "rx dma channel config failed\n");
752 ret = -ENODEV;
753 goto config_err;
754 }

--- 55 unchanged lines hidden (view full) ---

810 GFP_KERNEL);
811 if (!stm32port->tx_buf) {
812 ret = -ENOMEM;
813 goto alloc_err;
814 }
815
816 /* Configure DMA channel */
817 memset(&config, 0, sizeof(config));
747 config.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
748
749 ret = dmaengine_slave_config(stm32port->rx_ch, &config);
750 if (ret < 0) {
751 dev_err(dev, "rx dma channel config failed\n");
752 ret = -ENODEV;
753 goto config_err;
754 }

--- 55 unchanged lines hidden (view full) ---

810 GFP_KERNEL);
811 if (!stm32port->tx_buf) {
812 ret = -ENOMEM;
813 goto alloc_err;
814 }
815
816 /* Configure DMA channel */
817 memset(&config, 0, sizeof(config));
818 config.dst_addr = (dma_addr_t)port->membase + ofs->tdr;
818 config.dst_addr = port->mapbase + ofs->tdr;
819 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
820
821 ret = dmaengine_slave_config(stm32port->tx_ch, &config);
822 if (ret < 0) {
823 dev_err(dev, "tx dma channel config failed\n");
824 ret = -ENODEV;
825 goto config_err;
826 }

--- 222 unchanged lines hidden --- 		819 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
820
821 ret = dmaengine_slave_config(stm32port->tx_ch, &config);
822 if (ret < 0) {
823 dev_err(dev, "tx dma channel config failed\n");
824 ret = -ENODEV;
825 goto config_err;
826 }

--- 222 unchanged lines hidden ---