X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fserial%2Fserial_lh7a40x.c;h=eb18d429752d2d40458eb47234f3fd4649bf39fd;hb=a9cccd34372f7075e8746395609bc78f0fbaf204;hp=aa521b8e0d4e3a06a3c0c53ca7929a72d0b96763;hpb=95d465fd750897ab32462a6702fbfe1b122cbbc0;p=linux-2.6-omap-h63xx.git diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c index aa521b8e0d4..eb18d429752 100644 --- a/drivers/serial/serial_lh7a40x.c +++ b/drivers/serial/serial_lh7a40x.c @@ -27,7 +27,6 @@ * */ -#include #if defined(CONFIG_SERIAL_LH7A40X_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -136,23 +135,19 @@ static void lh7a40xuart_enable_ms (struct uart_port* port) BIT_SET (port, UART_R_INTEN, ModemInt); } -static void -#ifdef SUPPORT_SYSRQ -lh7a40xuart_rx_chars (struct uart_port* port, struct pt_regs* regs) -#else -lh7a40xuart_rx_chars (struct uart_port* port) -#endif +static void 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; @@ -177,7 +172,7 @@ lh7a40xuart_rx_chars (struct uart_port* port) flag = TTY_FRAME; } - if (uart_handle_sysrq_char (port, (unsigned char) data, regs)) + if (uart_handle_sysrq_char (port, (unsigned char) data)) continue; uart_insert_char(port, data, RxOverrunError, data, flag); @@ -248,8 +243,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port) wake_up_interruptible (&port->info->delta_msr_wait); } -static irqreturn_t lh7a40xuart_int (int irq, void* dev_id, - struct pt_regs* regs) +static irqreturn_t lh7a40xuart_int (int irq, void* dev_id) { struct uart_port* port = dev_id; unsigned int cLoopLimit = ISR_LOOP_LIMIT; @@ -258,11 +252,7 @@ static irqreturn_t lh7a40xuart_int (int irq, void* dev_id, do { if (isr & (RxInt | RxTimeoutInt)) -#ifdef SUPPORT_SYSRQ - lh7a40xuart_rx_chars(port, regs); -#else lh7a40xuart_rx_chars(port); -#endif if (isr & ModemInt) lh7a40xuart_modem_status (port); if (isr & TxInt) @@ -303,7 +293,7 @@ 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); @@ -358,8 +348,8 @@ static void lh7a40xuart_shutdown (struct uart_port* port) } static void lh7a40xuart_set_termios (struct uart_port* port, - struct termios* termios, - struct termios* old) + struct ktermios* termios, + struct ktermios* old) { unsigned int con; unsigned int inten; @@ -662,9 +652,13 @@ 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; }