Index: linux-2.4.35.4/drivers/bluetooth/hci_usb.c
===================================================================
--- linux-2.4.35.4.orig/drivers/bluetooth/hci_usb.c	2007-12-15 05:19:36.182482961 +0100
+++ linux-2.4.35.4/drivers/bluetooth/hci_usb.c	2007-12-15 05:20:14.964693031 +0100
@@ -259,6 +259,9 @@
 	void *buf;
 
 	mtu  = husb->isoc_in_ep->wMaxPacketSize;
+#ifdef CONFIG_BCM4710
+	mtu = (mtu + 1) & ~1;		/* brcm: isoc buffers must be aligned on word boundary */
+#endif
         size = mtu * HCI_MAX_ISOC_FRAMES;
 
 	buf = kmalloc(size, GFP_ATOMIC);