diff options
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 006617e2211d..303272af386e 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2269,9 +2269,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios, serial_outp(up, UART_EFR, efr); } -#ifdef CONFIG_ARCH_OMAP15XX +#ifdef CONFIG_ARCH_OMAP /* Workaround to enable 115200 baud on OMAP1510 internal ports */ - if (cpu_is_omap1510() && is_omap_port((unsigned int)up->port.membase)) { + if (cpu_is_omap1510() && is_omap_port(up)) { if (baud == 115200) { quot = 1; serial_out(up, UART_OMAP_OSC_12M_SEL, 1); @@ -2324,18 +2324,27 @@ serial8250_pm(struct uart_port *port, unsigned int state, p->pm(port, state, oldstate); } +static unsigned int serial8250_port_size(struct uart_8250_port *pt) +{ + if (pt->port.iotype == UPIO_AU) + return 0x100000; +#ifdef CONFIG_ARCH_OMAP + if (is_omap_port(pt)) + return 0x16 << pt->port.regshift; +#endif + return 8 << pt->port.regshift; +} + /* * Resource handling. */ static int serial8250_request_std_resource(struct uart_8250_port *up) { - unsigned int size = 8 << up->port.regshift; + unsigned int size = serial8250_port_size(up); int ret = 0; switch (up->port.iotype) { case UPIO_AU: - size = 0x100000; - /* fall thru */ case UPIO_TSI: case UPIO_MEM32: case UPIO_MEM: @@ -2369,12 +2378,10 @@ static int serial8250_request_std_resource(struct uart_8250_port *up) static void serial8250_release_std_resource(struct uart_8250_port *up) { - unsigned int size = 8 << up->port.regshift; + unsigned int size = serial8250_port_size(up); switch (up->port.iotype) { case UPIO_AU: - size = 0x100000; - /* fall thru */ case UPIO_TSI: case UPIO_MEM32: case UPIO_MEM: |