X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=sound%2Fpci%2Femu10k1%2Firq.c;h=30bfed6f83398d5f9b17fdf776ce2ab6ebac7a4e;hb=cf78c0c4267c37f2f98cb03a73c0a99c2cdaef87;hp=4f18f7e8bcfb11842bc261d14c5238979c65985e;hpb=44aefd2706bb6f5b65ba2c38cd89e7609e2b43d3;p=cascardo%2Flinux.git diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 4f18f7e8bcfb..30bfed6f8339 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -1,5 +1,5 @@ /* - * Copyright (c) by Jaroslav Kysela + * Copyright (c) by Jaroslav Kysela * Creative Labs, Inc. * Routines for IRQ control of EMU10K1 chips * @@ -25,7 +25,6 @@ * */ -#include #include #include #include @@ -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); }