drivers/tty/serial/stm32-usart.c

1674

stm32_ports[id].last_res = RX_BUF_L;

drivers/tty/serial/stm32-usart.c

1693

dma_free_coherent(&pdev->dev, RX_BUF_L, stm32port->rx_buf,

drivers/tty/serial/stm32-usart.c

1706

stm32port->rx_buf = dma_alloc_coherent(dev, RX_BUF_L,

drivers/tty/serial/stm32-usart.c

454

dma_start = stm32_port->rx_buf + (RX_BUF_L - stm32_port->last_res);

drivers/tty/serial/stm32-usart.c

471

stm32_port->last_res = RX_BUF_L;

drivers/tty/serial/stm32-usart.c

575

stm32_port->last_res = RX_BUF_L;

drivers/tty/serial/stm32-usart.c

579

RX_BUF_L, RX_BUF_P,

drivers/tty/serial/stm32-usart.h

193

#define RX_BUF_P (RX_BUF_L / 2) /* dma rx buffer period */

drivers/tty/serial/stm32-usart.h

194

#define TX_BUF_L RX_BUF_L /* dma tx buffer length */