Author: imp Date: Fri May 17 20:53:15 2013 New Revision: 250753 URL: http://svnweb.freebsd.org/changeset/base/250753
Log: For ARM, MIPS, and PowerPC, default to 32-byte alignment, but allow it to be as small as 8. Modified: head/sys/dev/usb/usb_freebsd.h Modified: head/sys/dev/usb/usb_freebsd.h ============================================================================== --- head/sys/dev/usb/usb_freebsd.h Fri May 17 20:12:56 2013 (r250752) +++ head/sys/dev/usb/usb_freebsd.h Fri May 17 20:53:15 2013 (r250753) @@ -56,8 +56,12 @@ #if (!defined(USB_HOST_ALIGN)) || (USB_HOST_ALIGN <= 0) /* Use default value. */ #undef USB_HOST_ALIGN +#if defined(__arm__) || defined(__mips__) || defined(__powerpc__) +#define USB_HOST_ALIGN 32 /* Arm and MIPS need at least this much, if not more */ +#else #define USB_HOST_ALIGN 8 /* bytes, must be power of two */ #endif +#endif /* Sanity check for USB_HOST_ALIGN: Verify power of two. */ #if ((-USB_HOST_ALIGN) & USB_HOST_ALIGN) != USB_HOST_ALIGN #error "USB_HOST_ALIGN is not power of two." _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
