[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/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 7055d89..0547f6f 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -3496,8 +3496,7 @@
 		   hdspm->port + io_extent - 1);
 
 	if (request_irq(pci->irq, snd_hdspm_interrupt,
-			IRQF_DISABLED | IRQF_SHARED, "hdspm",
-			(void *) hdspm)) {
+			IRQF_SHARED, "hdspm", hdspm)) {
 		snd_printk(KERN_ERR "HDSPM: unable to use IRQ %d\n", pci->irq);
 		return -EBUSY;
 	}