diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/imx.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index a657f966b852..a220f77ceab6 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -269,6 +269,27 @@ static inline int is_imx21_uart(struct imx_port *sport) } /* + * Save and restore functions for UCR1, UCR2 and UCR3 registers + */ +static void imx_port_ucrs_save(struct uart_port *port, + struct imx_port_ucrs *ucr) +{ + /* save control registers */ + ucr->ucr1 = readl(port->membase + UCR1); + ucr->ucr2 = readl(port->membase + UCR2); + ucr->ucr3 = readl(port->membase + UCR3); +} + +static void imx_port_ucrs_restore(struct uart_port *port, + struct imx_port_ucrs *ucr) +{ + /* restore control registers */ + writel(ucr->ucr1, port->membase + UCR1); + writel(ucr->ucr2, port->membase + UCR2); + writel(ucr->ucr3, port->membase + UCR3); +} + +/* * Handle any change of modem status signal since we were last called. */ static void imx_mctrl_check(struct imx_port *sport) @@ -1082,27 +1103,6 @@ imx_verify_port(struct uart_port *port, struct serial_struct *ser) } #if defined(CONFIG_CONSOLE_POLL) -/* - * Save and restore functions for UCR1, UCR2 and UCR3 registers - */ -static void imx_port_ucrs_save(struct uart_port *port, - struct imx_port_ucrs *ucr) -{ - /* save control registers */ - ucr->ucr1 = readl(port->membase + UCR1); - ucr->ucr2 = readl(port->membase + UCR2); - ucr->ucr3 = readl(port->membase + UCR3); -} - -static void imx_port_ucrs_restore(struct uart_port *port, - struct imx_port_ucrs *ucr) -{ - /* restore control registers */ - writel(ucr->ucr1, port->membase + UCR1); - writel(ucr->ucr2, port->membase + UCR2); - writel(ucr->ucr3, port->membase + UCR3); -} - static int imx_poll_get_char(struct uart_port *port) { struct imx_port_ucrs old_ucr; |