4 files changed, 6 insertions, 11 deletions
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index bef9b0c142c4..0281a362857a 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -232,8 +232,7 @@ static int snd_usX2Y_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp)
 	if (err)
 		return err;
 	if (dsp->index == 1) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(HZ/4);			// give the device some time 
+		msleep(250);				// give the device some time
 		err = usX2Y_AsyncSeq04_init(priv);
 		if (err) {
 			snd_printk("usX2Y_AsyncSeq04_init error \n");
diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c
index 89ee8b732013..e6e6da159671 100644
--- a/sound/usb/usx2y/usbusx2y.c
+++ b/sound/usb/usx2y/usbusx2y.c
@@ -442,7 +442,7 @@ static void usX2Y_usb_disconnect(struct usb_device* device, void* ptr)
 		snd_card_disconnect((snd_card_t*)ptr);
 		/* release the midi resources */
 		list_for_each(p, &usX2Y->chip.midi_list) {
-			snd_usbmidi_disconnect(p, &snd_usX2Y_usb_driver);
+			snd_usbmidi_disconnect(p);
 		}
 		if (usX2Y->us428ctls_sharedmem) 
 			wake_up(&usX2Y->us428ctls_wait_queue_head);
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 4c292e090069..62dfd28b3b07 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -401,10 +401,8 @@ static void usX2Y_urbs_release(snd_usX2Y_substream_t *subs)
 	for (i = 0; i < NRURBS; i++)
 		usX2Y_urb_release(subs->urb + i, subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]);
 
-	if (subs->tmpbuf) {
-		kfree(subs->tmpbuf);
-		subs->tmpbuf = NULL;
-	}
+	kfree(subs->tmpbuf);
+	subs->tmpbuf = NULL;
 }
 /*
  * initialize a substream's urbs
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index bb2c8e9000c6..ef28061287f2 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -50,6 +50,7 @@
    Currently rawusb dma pcm buffer transport (this file) is only available to snd-usb-usx2y. 
 */
 
+#include <linux/delay.h>
 #include "usbusx2yaudio.c"
 
 #if defined(USX2Y_NRPACKS_VARIABLE) || (!defined(USX2Y_NRPACKS_VARIABLE) &&  USX2Y_NRPACKS == 1)
@@ -520,11 +521,8 @@ static int snd_usX2Y_usbpcm_prepare(snd_pcm_substream_t *substream)
 		usX2Y->hwdep_pcm_shm->playback_iso_start = -1;
 		if (atomic_read(&subs->state) < state_PREPARED) {
 			while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) > usX2Y->hwdep_pcm_shm->captured_iso_frames) {
-				signed long timeout;
 				snd_printd("Wait: iso_frames_per_buffer=%i,captured_iso_frames=%i\n", usX2Y_iso_frames_per_buffer(runtime, usX2Y), usX2Y->hwdep_pcm_shm->captured_iso_frames);
-				set_current_state(TASK_INTERRUPTIBLE);
-				timeout = schedule_timeout(HZ/100 + 1);
-				if (signal_pending(current)) {
+				if (msleep_interruptible(10)) {
 					err = -ERESTARTSYS;
 					goto up_prepare_mutex;
 				}