From 40acc095302aee380491df5f58d98945243468ec Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Wed, 23 May 2007 13:58:17 -0700
Subject: ehci-fsl: fix cache coherency problem on system with large memory

The patch fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=7482.

It sets USB snooping on 4G space for PowerPC platforms without
CONFIG_NOT_COHERENT_CACHE defined.

Reported-by: Stefan Meyer <reyems@telkomsa.net>
Signed-off-by: Li Yang <leoli@freescale.com>
Cc: Greg KH <greg@kroah.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/usb/host/ehci-fsl.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/usb/host/ehci-fsl.h')

diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index f28736a917e4..b5e59db53347 100644
--- a/drivers/usb/host/ehci-fsl.h
+++ b/drivers/usb/host/ehci-fsl.h
@@ -34,4 +34,5 @@
 #define FSL_SOC_USB_PRICTRL	0x40c	/* NOTE: big-endian */
 #define FSL_SOC_USB_SICTRL	0x410	/* NOTE: big-endian */
 #define FSL_SOC_USB_CTRL	0x500	/* NOTE: big-endian */
+#define SNOOP_SIZE_2GB		0x1e
 #endif				/* _EHCI_FSL_H */
-- 
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