Set port->fifosize to the software FIFO size, and update the port timeout when the baud rate is modified. SCC ports have an optional 32 byte hardware FIFO which is currently not taken into account, as there is no documented way to check when the FIFO becomes empty. Signed-off-by: Laurent Pinchart <laurentp@xxxxxxxxxxxxxxxxx> --- drivers/serial/cpm_uart/cpm_uart_core.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c index a19dc7e..151cad2 100644 --- a/drivers/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/serial/cpm_uart/cpm_uart_core.c @@ -547,6 +547,11 @@ static void cpm_uart_set_termios(struct uart_port *port, } /* + * Update the timeout + */ + uart_update_timeout(port, termios->c_cflag, baud); + + /* * Set up parity check flag */ #define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) @@ -1154,6 +1159,7 @@ int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con) pinfo->port.uartclk = pdata->uart_clk; pinfo->port.mapbase = (unsigned long)mem; pinfo->port.irq = platform_get_irq(pdev, 0); + pinfo->port.fifosize = pinfo->tx_nrfifos * pinfo->tx_fifosize; return 0; } -- 1.5.0 -- Laurent Pinchart CSE Semaphore Belgium Chaussee de Bruxelles, 732A B-1410 Waterloo Belgium T +32 (2) 387 42 59 F +32 (2) 387 42 75
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