svn commit: r302371 - head/sys/dev/usb/controller

[Hans Petter Selasky]

Author: hselasky
Date: Wed Jul  6 10:57:04 2016
New Revision: 302371
URL: https://svnweb.freebsd.org/changeset/base/302371

Log:
  Fix regression issue with XHCI on 32-bit ARMv7 Armada-38x. Make sure
  "struct xhci_dev_ctx_addr" fits into a single 4K page until further.
  
  Approved by:	re (hrs)
  MFC after:	1 week

Modified:
  head/sys/dev/usb/controller/xhci.h

Modified: head/sys/dev/usb/controller/xhci.h
==============================================================================
--- head/sys/dev/usb/controller/xhci.h	Wed Jul  6 10:29:29 2016	(r302370)
+++ head/sys/dev/usb/controller/xhci.h	Wed Jul  6 10:57:04 2016	(r302371)
@@ -30,7 +30,7 @@
 
 #define	XHCI_MAX_DEVICES	MIN(USB_MAX_DEVICES, 128)
 #define	XHCI_MAX_ENDPOINTS	32	/* hardcoded - do not change */
-#define	XHCI_MAX_SCRATCHPADS	1024
+#define	XHCI_MAX_SCRATCHPADS	256	/* theoretical max is 1023 */
 #define	XHCI_MAX_EVENTS		(16 * 13)
 #define	XHCI_MAX_COMMANDS	(16 * 1)
 #define	XHCI_MAX_RSEG		1