From c94fa4c9168e51a8dab8e72cb9f0d89673fc8d8c Mon Sep 17 00:00:00 2001 From: James Courtier-Dutton Date: Sat, 10 Nov 2007 17:55:14 +0000 Subject: [ALSA] emu10k1: General cleanup, add new locks, fix alsa bug#3501, kernel bug#9304. Signed-off-by: James Courtier-Dutton Signed-off-by: Jaroslav Kysela --- sound/pci/emu10k1/irq.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'sound/pci/emu10k1/irq.c') diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 276d08c88f9..30bfed6f833 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -34,9 +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) { @@ -200,5 +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); } -- cgit v1.2.3