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arch/um/kernel/irq.c: clean up some functions

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Make activate_fd() and free_irq_by_irq_and_dev() static.  Remove
init_aio_irq() since it has no users.

Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: WANG Cong <wangcong@zeuux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
WANG Cong 2008-07-23 21:28:47 -07:00 committed by Linus Torvalds
parent ed62f77bb6
commit 4c182ae781
3 changed files with 2 additions and 37 deletions
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2
arch/um/include/irq_kern.h
View file

@ -13,8 +13,6 @@ extern int um_request_irq(unsigned int irq, int fd, int type,
irq_handler_t handler,
unsigned long irqflags, const char * devname,
void *dev_id);
extern int init_aio_irq(int irq, char *name,
irq_handler_t handler);
#endif

2
arch/um/include/irq_user.h
View file

@ -21,8 +21,6 @@ struct irq_fd {
enum { IRQ_READ, IRQ_WRITE };
extern void sigio_handler(int sig, struct uml_pt_regs *regs);
extern int activate_fd(int irq, int fd, int type, void *dev_id);
extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
extern void free_irq_by_fd(int fd);
extern void reactivate_fd(int fd, int irqnum);
extern void deactivate_fd(int fd, int irqnum);

35
arch/um/kernel/irq.c
View file

@ -102,7 +102,7 @@ void sigio_handler(int sig, struct uml_pt_regs *regs)
static DEFINE_SPINLOCK(irq_lock);
int activate_fd(int irq, int fd, int type, void *dev_id)
static int activate_fd(int irq, int fd, int type, void *dev_id)
{
struct pollfd *tmp_pfd;
struct irq_fd *new_fd, *irq_fd;
@ -216,7 +216,7 @@ static int same_irq_and_dev(struct irq_fd *irq, void *d)
return ((irq->irq == data->irq) && (irq->id == data->dev));
}
void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
static void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
{
struct irq_and_dev data = ((struct irq_and_dev) { .irq = irq,
.dev = dev });
@ -403,37 +403,6 @@ void __init init_IRQ(void)
}
}
int init_aio_irq(int irq, char *name, irq_handler_t handler)
{
int fds[2], err;
err = os_pipe(fds, 1, 1);
if (err) {
printk(KERN_ERR "init_aio_irq - os_pipe failed, err = %d\n",
-err);
goto out;
}
err = um_request_irq(irq, fds[0], IRQ_READ, handler,
IRQF_DISABLED | IRQF_SAMPLE_RANDOM, name,
(void *) (long) fds[0]);
if (err) {
printk(KERN_ERR "init_aio_irq - : um_request_irq failed, "
"err = %d\n",
err);
goto out_close;
}
err = fds[1];
goto out;
out_close:
os_close_file(fds[0]);
os_close_file(fds[1]);
out:
return err;
}
/*
* IRQ stack entry and exit:
*