diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/sa1100.c | 2 | ||||
| -rw-r--r-- | drivers/serial/vr41xx_siu.c | 66 |
2 files changed, 10 insertions, 58 deletions
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c index 22565a67a57c..98641c3f5ab9 100644 --- a/drivers/serial/sa1100.c +++ b/drivers/serial/sa1100.c @@ -197,7 +197,7 @@ static void sa1100_rx_chars(struct sa1100_port *sport, struct pt_regs *regs) { struct tty_struct *tty = sport->port.info->tty; - unsigned int status, ch, flg, ignored = 0; + unsigned int status, ch, flg; status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) | UTSR0_TO_SM(UART_GET_UTSR0(sport)); diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index 5d2ceb623e6f..1f985327b0d4 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -234,7 +234,7 @@ static inline const char *siu_type_name(struct uart_port *port) return "DSIU"; } - return "unknown"; + return NULL; } static unsigned int siu_tx_empty(struct uart_port *port) @@ -482,9 +482,6 @@ static irqreturn_t siu_interrupt(int irq, void *dev_id, struct pt_regs *regs) struct uart_port *port; uint8_t iir, lsr; - if (dev_id == NULL) - return IRQ_NONE; - port = (struct uart_port *)dev_id; iir = siu_read(port, UART_IIR); @@ -507,6 +504,9 @@ static int siu_startup(struct uart_port *port) { int retval; + if (port->membase == NULL) + return -ENODEV; + siu_clear_fifo(port); (void)siu_read(port, UART_LSR); @@ -545,9 +545,6 @@ static void siu_shutdown(struct uart_port *port) unsigned long flags; uint8_t lcr; - if (port->membase == NULL) - return; - siu_write(port, UART_IER, 0); spin_lock_irqsave(&port->lock, flags); @@ -802,53 +799,6 @@ static int siu_init_ports(void) #ifdef CONFIG_SERIAL_VR41XX_CONSOLE -static void early_set_termios(struct uart_port *port, struct termios *new, - struct termios *old) -{ - tcflag_t c_cflag; - uint8_t lcr; - unsigned int baud, quot; - - c_cflag = new->c_cflag; - switch (c_cflag & CSIZE) { - case CS5: - lcr = UART_LCR_WLEN5; - break; - case CS6: - lcr = UART_LCR_WLEN6; - break; - case CS7: - lcr = UART_LCR_WLEN7; - break; - default: - lcr = UART_LCR_WLEN8; - break; - } - - if (c_cflag & CSTOPB) - lcr |= UART_LCR_STOP; - if (c_cflag & PARENB) - lcr |= UART_LCR_PARITY; - if ((c_cflag & PARODD) != PARODD) - lcr |= UART_LCR_EPAR; - if (c_cflag & CMSPAR) - lcr |= UART_LCR_SPAR; - - baud = uart_get_baud_rate(port, new, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - - siu_write(port, UART_LCR, lcr | UART_LCR_DLAB); - - siu_write(port, UART_DLL, (uint8_t)quot); - siu_write(port, UART_DLM, (uint8_t)(quot >> 8)); - - siu_write(port, UART_LCR, lcr); -} - -static struct uart_ops early_uart_ops = { - .set_termios = early_set_termios, -}; - #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) static void wait_for_xmitr(struct uart_port *port) @@ -915,7 +865,7 @@ static int siu_console_setup(struct console *con, char *options) if (port->membase == NULL) { if (port->mapbase == 0) return -ENODEV; - port->membase = (unsigned char __iomem *)KSEG1ADDR(port->mapbase); + port->membase = ioremap(port->mapbase, siu_port_size(port)); } vr41xx_select_siu_interface(SIU_INTERFACE_RS232C); @@ -949,7 +899,7 @@ static int __devinit siu_console_init(void) for (i = 0; i < num; i++) { port = &siu_uart_ports[i]; - port->ops = &early_uart_ops; + port->ops = &siu_uart_ops; } register_console(&siu_console); @@ -994,8 +944,10 @@ static int siu_probe(struct device *dev) port->dev = dev; retval = uart_add_one_port(&siu_uart_driver, port); - if (retval) + if (retval < 0) { + port->dev = NULL; break; + } } if (i == 0 && retval < 0) { |
