diff options
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index e9b15c3746f..7c4ebe6ee18 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1217,12 +1217,6 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags) } #endif -#ifdef CONFIG_SERIAL_8250_AU1X00 - /* if access method is AU, it is a 16550 with a quirk */ - if (up->port.type == PORT_16550A && up->port.iotype == UPIO_AU) - up->bugs |= UART_BUG_NOMSR; -#endif - serial_outp(up, UART_LCR, save_lcr); if (up->capabilities != uart_config[up->port.type].flags) { @@ -2428,7 +2422,7 @@ serial8250_pm(struct uart_port *port, unsigned int state, static unsigned int serial8250_port_size(struct uart_8250_port *pt) { if (pt->port.iotype == UPIO_AU) - return 0x100000; + return 0x1000; #ifdef CONFIG_ARCH_OMAP if (is_omap_port(pt)) return 0x16 << pt->port.regshift; @@ -2585,6 +2579,13 @@ static void serial8250_config_port(struct uart_port *port, int flags) if (flags & UART_CONFIG_TYPE) autoconfig(up, probeflags); + +#ifdef CONFIG_SERIAL_8250_AU1X00 + /* if access method is AU, it is a 16550 with a quirk */ + if (up->port.type == PORT_16550A && up->port.iotype == UPIO_AU) + up->bugs |= UART_BUG_NOMSR; +#endif + if (up->port.type != PORT_UNKNOWN && flags & UART_CONFIG_IRQ) autoconfig_irq(up); @@ -2689,6 +2690,15 @@ static void __init serial8250_isa_init_ports(void) } } +static void +serial8250_init_fixed_type_port(struct uart_8250_port *up, unsigned int type) +{ + up->port.type = type; + up->port.fifosize = uart_config[type].fifo_size; + up->capabilities = uart_config[type].flags; + up->tx_loadsz = uart_config[type].tx_loadsz; +} + static void __init serial8250_register_ports(struct uart_driver *drv, struct device *dev) { @@ -2705,6 +2715,10 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev) struct uart_8250_port *up = &serial8250_ports[i]; up->port.dev = dev; + + if (up->port.flags & UPF_FIXED_TYPE) + serial8250_init_fixed_type_port(up, up->port.type); + uart_add_one_port(drv, &up->port); } } @@ -3117,12 +3131,8 @@ int serial8250_register_port(struct uart_port *port) if (port->dev) uart->port.dev = port->dev; - if (port->flags & UPF_FIXED_TYPE) { - uart->port.type = port->type; - uart->port.fifosize = uart_config[port->type].fifo_size; - uart->capabilities = uart_config[port->type].flags; - uart->tx_loadsz = uart_config[port->type].tx_loadsz; - } + if (port->flags & UPF_FIXED_TYPE) + serial8250_init_fixed_type_port(uart, port->type); set_io_from_upio(&uart->port); /* Possibly override default I/O functions. */ |