Index: usb.h
===================================================================
RCS file: /home/routefree/depot/rf/src/hr/linux/include/linux/usb.h,v
retrieving revision 1.1.1.2
retrieving revision 1.2
diff -r1.1.1.2 -r1.2
599,600c599,604
< 	struct usb_device_descriptor descriptor;/* Descriptor */
< 	struct usb_config_descriptor *config;	/* All of the configs */
---
> 	/* The reason for the alignment is that we're DMA-ing the descriptor struct,
> 	 * and we want to make sure when the cacheline is invalidated it doesn't clobber
> 	 * any data also in the cacheline, since the descriptor is only 18 bytes.
> 	 */
> 	struct usb_device_descriptor __attribute__ ((aligned(L1_CACHE_BYTES))) descriptor;/* Descriptor */
> 	struct usb_config_descriptor __attribute__ ((aligned(L1_CACHE_BYTES))) *config;	/* All of the configs */