diff options
Diffstat (limited to 'arch/um/kernel/sigio.c')
| -rw-r--r-- | arch/um/kernel/sigio.c | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c index 0ad755ceb21..b5e0cbb3438 100644 --- a/arch/um/kernel/sigio.c +++ b/arch/um/kernel/sigio.c @@ -1,29 +1,23 @@ /* - * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com) + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) * Licensed under the GPL */ -#include "linux/kernel.h" -#include "linux/list.h" -#include "linux/slab.h" -#include "linux/signal.h" -#include "linux/interrupt.h" -#include "init.h" -#include "sigio.h" -#include "irq_user.h" -#include "irq_kern.h" -#include "os.h" +#include <linux/interrupt.h> +#include <irq_kern.h> +#include <os.h> +#include <sigio.h> /* Protected by sigio_lock() called from write_sigio_workaround */ static int sigio_irq_fd = -1; -static irqreturn_t sigio_interrupt(int irq, void *data, struct pt_regs *unused) +static irqreturn_t sigio_interrupt(int irq, void *data) { char c; os_read_file(sigio_irq_fd, &c, sizeof(c)); reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ); - return(IRQ_HANDLED); + return IRQ_HANDLED; } int write_sigio_irq(int fd) @@ -31,17 +25,17 @@ int write_sigio_irq(int fd) int err; err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt, - IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio", - NULL); - if(err){ - printk("write_sigio_irq : um_request_irq failed, err = %d\n", - err); - return(-1); + 0, "write sigio", NULL); + if (err) { + printk(KERN_ERR "write_sigio_irq : um_request_irq failed, " + "err = %d\n", err); + return -1; } sigio_irq_fd = fd; - return(0); + return 0; } +/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */ static DEFINE_SPINLOCK(sigio_spinlock); void sigio_lock(void) |