enable RX FIFO for 16 characters and TX FIFO for 16 spaces. Tested-by: Shubhrajyoti D <shubhrajyoti@xxxxxx> Signed-off-by: Felipe Balbi <balbi@xxxxxx> --- drivers/tty/serial/omap-serial.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 0e5ffdf..137d475 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -55,8 +55,8 @@ #define OMAP_UART_SCR_RX_TRIG_GRANU1_MASK (1 << 7) /* FCR register bitmasks */ -#define OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT 6 #define OMAP_UART_FCR_RX_FIFO_TRIG_MASK (0x3 << 6) +#define OMAP_UART_FCR_TX_FIFO_TRIG_MASK (0x3 << 4) /* MVR register bitmasks */ #define OMAP_UART_MVR_SCHEME_SHIFT 30 @@ -820,9 +820,13 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK; - /* Set receive FIFO threshold to 1 byte */ + /* Set receive FIFO threshold to 16 characters and + * transmit FIFO threshold to 16 spaces + */ up->fcr &= ~OMAP_UART_FCR_RX_FIFO_TRIG_MASK; - up->fcr |= (0x1 << OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT); + up->fcr &= ~OMAP_UART_FCR_TX_FIFO_TRIG_MASK; + up->fcr |= UART_FCR6_R_TRIGGER_16 | UART_FCR6_T_TRIGGER_24 | + UART_FCR_ENABLE_FIFO; serial_out(up, UART_FCR, up->fcr); serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); -- 1.7.12.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
