diff options
Diffstat (limited to 'drivers/tty/serial/sn_console.c')
| -rw-r--r-- | drivers/tty/serial/sn_console.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/tty/serial/sn_console.c b/drivers/tty/serial/sn_console.c index cff9a306660..f51ffdc696f 100644 --- a/drivers/tty/serial/sn_console.c +++ b/drivers/tty/serial/sn_console.c @@ -39,6 +39,7 @@ #include <linux/interrupt.h> #include <linux/tty.h> +#include <linux/tty_flip.h> #include <linux/serial.h> #include <linux/console.h> #include <linux/module.h> @@ -146,7 +147,7 @@ static struct sn_sal_ops intr_ops = { }; /* the console does output in two distinctly different ways: - * synchronous (raw) and asynchronous (buffered). initally, early_printk + * synchronous (raw) and asynchronous (buffered). initially, early_printk * does synchronous output. any data written goes directly to the SAL * to be output (incidentally, it is internally buffered by the SAL) * after interrupts and timers are initialized and available for use, @@ -456,32 +457,28 @@ static int sn_debug_printf(const char *fmt, ...) static void sn_receive_chars(struct sn_cons_port *port, unsigned long flags) { + struct tty_port *tport = NULL; int ch; - struct tty_struct *tty; if (!port) { - printk(KERN_ERR "sn_receive_chars - port NULL so can't receieve\n"); + printk(KERN_ERR "sn_receive_chars - port NULL so can't receive\n"); return; } if (!port->sc_ops) { - printk(KERN_ERR "sn_receive_chars - port->sc_ops NULL so can't receieve\n"); + printk(KERN_ERR "sn_receive_chars - port->sc_ops NULL so can't receive\n"); return; } if (port->sc_port.state) { /* The serial_core stuffs are initialized, use them */ - tty = port->sc_port.state->port.tty; - } - else { - /* Not registered yet - can't pass to tty layer. */ - tty = NULL; + tport = &port->sc_port.state->port; } while (port->sc_ops->sal_input_pending()) { ch = port->sc_ops->sal_getc(); if (ch < 0) { - printk(KERN_ERR "sn_console: An error occured while " + printk(KERN_ERR "sn_console: An error occurred while " "obtaining data from the console (0x%0x)\n", ch); break; } @@ -515,15 +512,15 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags) #endif /* CONFIG_MAGIC_SYSRQ */ /* record the character to pass up to the tty layer */ - if (tty) { - if(tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0) + if (tport) { + if (tty_insert_flip_char(tport, ch, TTY_NORMAL) == 0) break; } port->sc_port.icount.rx++; } - if (tty) - tty_flip_buffer_push(tty); + if (tport) + tty_flip_buffer_push(tport); } /** @@ -737,11 +734,12 @@ static void __init sn_sal_switch_to_interrupts(struct sn_cons_port *port) DPRINTF("sn_console: switching to interrupt driven console\n"); if (request_irq(SGI_UART_VECTOR, sn_sal_interrupt, - IRQF_DISABLED | IRQF_SHARED, + IRQF_SHARED, "SAL console driver", port) >= 0) { spin_lock_irqsave(&port->sc_port.lock, flags); port->sc_port.irq = SGI_UART_VECTOR; port->sc_ops = &intr_ops; + irq_set_handler(port->sc_port.irq, handle_level_irq); /* turn on receive interrupts */ ia64_sn_console_intr_enable(SAL_CONSOLE_INTR_RECV); |