[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/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index e5e88fe..047e0b5 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -1872,7 +1872,7 @@
 	DE_INIT(("Stopped.\n"));
 
 	if (chip->irq >= 0)
-		free_irq(chip->irq, (void *)chip);
+		free_irq(chip->irq, chip);
 
 	if (chip->dsp_registers)
 		iounmap(chip->dsp_registers);
@@ -1950,8 +1950,8 @@
 	chip->dsp_registers = (volatile u32 __iomem *)
 		ioremap_nocache(chip->dsp_registers_phys, sz);
 
-	if (request_irq(pci->irq, snd_echo_interrupt, IRQF_DISABLED | IRQF_SHARED,
-						ECHOCARD_NAME, (void *)chip)) {
+	if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
+			ECHOCARD_NAME, chip)) {
 		snd_echo_free(chip);
 		snd_printk(KERN_ERR "cannot grab irq\n");
 		return -EBUSY;