diff options
Diffstat (limited to 'sound/pci/emu10k1/irq.c')
| -rw-r--r-- | sound/pci/emu10k1/irq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 3c114b45e0b..30bfed6f833 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -25,7 +25,6 @@ * */ -#include <sound/driver.h> #include <linux/time.h> #include <sound/core.h> #include <sound/emu10k1.h> @@ -35,9 +34,10 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) struct snd_emu10k1 *emu = dev_id; unsigned int status, status2, orig_status, orig_status2; int handled = 0; + int timeout = 0; - while ((status = inl(emu->port + IPR)) != 0) { - //snd_printk(KERN_INFO "emu10k1 irq - status = 0x%x\n", status); + while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) { + timeout++; orig_status = status; handled = 1; if ((status & 0xffffffff) == 0xffffffff) { @@ -201,5 +201,8 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) } outl(orig_status, emu->port + IPR); /* ack all */ } + if (timeout == 1000) + snd_printk(KERN_INFO "emu10k1 irq routine failure\n"); + return IRQ_RETVAL(handled); } |