V4L/DVB (6407): planb: fix obvious interrupt handling bugs

irq handlers have returned a return value for years now... catch up with
the times.

Also, ditch unneeded prototype.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Jeff Garzik 2007-10-26 09:00:37 -03:00 committed by Mauro Carvalho Chehab
parent 387a299bdd
commit 52c28d4b0a

View file

@ -91,7 +91,6 @@ static void planb_close(struct video_device *);
static int planb_ioctl(struct video_device *, unsigned int, void *);
static int planb_init_done(struct video_device *);
static int planb_mmap(struct video_device *, const char *, unsigned long);
static void planb_irq(int, void *);
static void release_planb(void);
int init_planbs(struct video_init *);
@ -1315,7 +1314,7 @@ cmd_tab_data_end:
return c1;
}
static void planb_irq(int irq, void *dev_id)
static irqreturn_t planb_irq(int irq, void *dev_id)
{
unsigned int stat, astat;
struct planb *pb = (struct planb *)dev_id;
@ -1358,13 +1357,14 @@ static void planb_irq(int irq, void *dev_id)
pb->frame_stat[fr] = GBUFFER_DONE;
pb->grabbing--;
wake_up_interruptible(&pb->capq);
return;
return IRQ_HANDLED;
}
/* incorrect interrupts? */
pb->intr_mask = PLANB_CLR_IRQ;
out_le32(&pb->planb_base->intr_stat, PLANB_CLR_IRQ);
printk(KERN_ERR "PlanB: IRQ lockup, cleared intrrupts"
" unconditionally\n");
return IRQ_HANDLED;
}
/*******************************
@ -2090,7 +2090,7 @@ static int init_planb(struct planb *pb)
/* clear interrupt mask */
pb->intr_mask = PLANB_CLR_IRQ;
result = request_irq(pb->irq, planb_irq, 0, "PlanB", (void *)pb);
result = request_irq(pb->irq, planb_irq, 0, "PlanB", pb);
if (result < 0) {
if (result==-EINVAL)
printk(KERN_ERR "PlanB: Bad irq number (%d) "