--- rme9652.c.jhall	Tue Apr 15 09:37:15 2003
+++ rme9652.c	Tue Apr 15 18:25:48 2003
@@ -214,7 +214,7 @@
 	int dev;
 
 	spinlock_t lock;
-	spinlock_t *dev_lock;
+	struct tasklet_struct interrupt_tasklet;
 	int irq;
 	unsigned long port;
 	struct resource *res_port;
@@ -326,6 +326,8 @@
 
 MODULE_DEVICE_TABLE(pci, snd_rme9652_ids);
 
+void rme9652_interrupt_tasklet(unsigned long arg);
+
 static inline void rme9652_write(rme9652_t *rme9652, int reg, int val)
 {
 	writel(val, rme9652->iobase + reg);
@@ -1951,13 +1953,20 @@
 void snd_rme9652_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	rme9652_t *rme9652 = (rme9652_t *) dev_id;
-	unsigned long flags;
 
 	if (!(rme9652_read(rme9652, RME9652_status_register) & RME9652_IRQ)) {
 		return;
 	}
 
-	spin_lock_irqsave(rme9652->dev_lock, flags);
+	tasklet_hi_schedule(&rme9652->interrupt_tasklet);
+	rme9652_write(rme9652, RME9652_irq_clear, 0);
+}
+
+void
+rme9652_interrupt_tasklet(unsigned long arg)
+{
+	rme9652_t *rme9652 = (rme9652_t*)arg;
+
 	if (rme9652->capture_substream) {
 		snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 	}
@@ -1965,8 +1974,6 @@
 	if (rme9652->playback_substream) {
 		snd_pcm_period_elapsed(rme9652->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
 	}
-	spin_unlock_irqrestore(rme9652->dev_lock, flags);
-	rme9652_write(rme9652, RME9652_irq_clear, 0);
 }
 
 static snd_pcm_uframes_t snd_rme9652_hw_pointer(snd_pcm_substream_t *substream)
@@ -2560,6 +2567,7 @@
 		return err;
 
 	spin_lock_init(&rme9652->lock);
+	tasklet_init(&rme9652->interrupt_tasklet, rme9652_interrupt_tasklet, (unsigned long) rme9652);
 
 	rme9652->port = pci_resource_start(pci, 0);
 	if ((rme9652->res_port = request_mem_region(rme9652->port, RME9652_IO_EXTENT, "rme9652")) == NULL) {
@@ -2677,7 +2685,6 @@
 {
 	static int dev;
 	rme9652_t *rme9652;
-	static spinlock_t dev_lock;
 	snd_card_t *card;
 	int err;
 
@@ -2697,9 +2704,6 @@
 	rme9652 = (rme9652_t *) card->private_data;
 	card->private_free = snd_rme9652_card_free;
 	rme9652->dev = dev;
-	if (!dev)
-		spin_lock_init(&dev_lock);
-	rme9652->dev_lock = &dev_lock;
 	rme9652->pci = pci;
 
 	if ((err = snd_rme9652_create(card, rme9652, precise_ptr[dev])) < 0) {