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-rw-r--r--drivers/tty/serial/stm32-usart.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 4d3001b77e7e..2adb678a863b 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -743,7 +743,7 @@ static int stm32_of_dma_rx_probe(struct stm32_port *stm32port,
/* Configure DMA channel */
memset(&config, 0, sizeof(config));
- config.src_addr = (dma_addr_t)port->membase + ofs->rdr;
+ config.src_addr = port->mapbase + ofs->rdr;
config.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
ret = dmaengine_slave_config(stm32port->rx_ch, &config);
@@ -815,7 +815,7 @@ static int stm32_of_dma_tx_probe(struct stm32_port *stm32port,
/* Configure DMA channel */
memset(&config, 0, sizeof(config));
- config.dst_addr = (dma_addr_t)port->membase + ofs->tdr;
+ config.dst_addr = port->mapbase + ofs->tdr;
config.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
ret = dmaengine_slave_config(stm32port->tx_ch, &config);