svn commit: r303999 - stable/8/sys/dev/usb/controller

[Hans Petter Selasky]

Author: hselasky
Date: Fri Aug 12 08:08:29 2016
New Revision: 303999
URL: https://svnweb.freebsd.org/changeset/base/303999

Log:
  MFC r302371:
  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.

Modified:
  stable/8/sys/dev/usb/controller/xhci.h
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/dev/   (props changed)
  stable/8/sys/dev/usb/   (props changed)

Modified: stable/8/sys/dev/usb/controller/xhci.h
==============================================================================
--- stable/8/sys/dev/usb/controller/xhci.h	Fri Aug 12 08:07:56 2016	(r303998)
+++ stable/8/sys/dev/usb/controller/xhci.h	Fri Aug 12 08:08:29 2016	(r303999)
@@ -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