[ALSA] Remove IRQF_DISABLED for shared PCI irqs

Fix IRQ flags for PCI devices.
The shared IRQs for PCI devices shouldn't be allocated with
IRQF_DISABLED.  Also, when MSI is enabled, IRQF_SHARED shouldn't
be used.
The patch removes unnecessary cast in request_irq and free_irq,
too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 56e0c01..5e1d5d2 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1899,9 +1899,8 @@
 	hwport = (struct riptideport *)chip->port;
 	UNSET_AIE(hwport);
 
-	if (request_irq
-	    (pci->irq, snd_riptide_interrupt, IRQF_DISABLED | IRQF_SHARED,
-	     "RIPTIDE", chip)) {
+	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
+			"RIPTIDE", chip)) {
 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
 			   pci->irq);
 		snd_riptide_free(chip);