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Commit c5c079e3 authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Jaroslav Kysela
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[ALSA] AMD Au1x00: AC'97 controller is memory mapped 



Modules: MIPS AU1x00 driver

AMD Au1x00 ALSA driver erroneously calls request_region() for AC'97
controller registers -- the controller is actually memory mapped at
addresses 0x10000000 thru 0x100FFFFF.

Signed-off-by: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent bb160b85

sound/mips/au1x00.c

+4 −3
Original line number Diff line number Diff line
@@ -561,12 +561,13 @@ snd_au1000_ac97_new(struct snd_au1000 *au1000) 
		.read = snd_au1000_ac97_read,

	};



	if ((au1000->ac97_res_port = request_region(AC97C_CONFIG,

	       		sizeof(struct au1000_ac97_reg), "Au1x00 AC97")) == NULL) {

	if ((au1000->ac97_res_port = request_mem_region(CPHYSADDR(AC97C_CONFIG),

	       		0x100000, "Au1x00 AC97")) == NULL) {

		snd_printk(KERN_ERR "ALSA AC97: can't grap AC97 port\n");

		return -EBUSY;

	}

	au1000->ac97_ioport = (struct au1000_ac97_reg *) au1000->ac97_res_port->start;

	au1000->ac97_ioport = (struct au1000_ac97_reg *)

		KSEG1ADDR(au1000->ac97_res_port->start);



	spin_lock_init(&au1000->ac97_lock);