diff options
| author | Marc Singer <elf@buici.com> | 2006-05-16 11:41:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-18 16:16:46 +0100 |
| commit | fb62c5a7043617dd9d678beafc368b217aa28da4 (patch) | |
| tree | 0e97b7e1ae185f0bfaef618c92d59d8b1368954d /drivers/serial/serial_lh7a40x.c | |
| parent | 638b266630db8d492255d340e18d46ba6ab1b057 (diff) | |
| download | kernel_samsung_tuna-fb62c5a7043617dd9d678beafc368b217aa28da4.zip kernel_samsung_tuna-fb62c5a7043617dd9d678beafc368b217aa28da4.tar.gz kernel_samsung_tuna-fb62c5a7043617dd9d678beafc368b217aa28da4.tar.bz2 | |
[ARM] 3402/1: lpd7a40x: serial driver bug fix
Patch from Marc Singer
The serial driver now sets up the third UART when it is to be used.
Signed-off-by: Marc Singer <elf@buici.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/serial_lh7a40x.c')
| -rw-r--r-- | drivers/serial/serial_lh7a40x.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c index aa521b8..776d4ff 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -145,14 +145,15 @@ lh7a40xuart_rx_chars (struct uart_port* port) { struct tty_struct* tty = port->info->tty; int cbRxMax = 256; /* (Gross) limit on receive */ - unsigned int data, flag;/* Received data and status */ + unsigned int data; /* Received data and status */ + unsigned int flag; while (!(UR (port, UART_R_STATUS) & nRxRdy) && --cbRxMax) { data = UR (port, UART_R_DATA); flag = TTY_NORMAL; ++port->icount.rx; - if (unlikely(data & RxError)) { /* Quick check, short-circuit */ + if (unlikely(data & RxError)) { if (data & RxBreak) { data &= ~(RxFramingError | RxParityError); ++port->icount.brk; @@ -303,7 +304,7 @@ static void lh7a40xuart_set_mctrl (struct uart_port* port, unsigned int mctrl) /* Note, kernel appears to be setting DTR and RTS on console. */ /* *** FIXME: this deserves more work. There's some work in - tracing all of the IO pins. */ + tracing all of the IO pins. */ #if 0 if( port->mapbase == UART1_PHYS) { gpioRegs_t *gpio = (gpioRegs_t *)IO_ADDRESS(GPIO_PHYS); @@ -662,9 +663,13 @@ static int __init lh7a40xuart_init(void) if (ret == 0) { int i; - for (i = 0; i < DEV_NR; i++) + for (i = 0; i < DEV_NR; i++) { + /* UART3, when used, requires GPIO pin reallocation */ + if (lh7a40x_ports[i].port.mapbase == UART3_PHYS) + GPIO_PINMUX |= 1<<3; uart_add_one_port (&lh7a40x_reg, &lh7a40x_ports[i].port); + } } return ret; } |