From 2e6ee5ec88dd9d4d4e934709200259538160039d Mon Sep 17 00:00:00 2001
From: Max Filippov <jcmvbkbc@gmail.com>
Date: Mon, 17 Sep 2012 05:44:33 +0400
Subject: xtensa/PCI: fix WT caching attribute

Fix caching attributes setup providing correct _PAGE_CA_* names.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/kernel/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'arch/xtensa/kernel')

diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 69759e9cb3ea..43e9fdce40d6 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -341,7 +341,7 @@ __pci_mmap_set_pgprot(struct pci_dev *dev, struct vm_area_struct *vma,
 	int prot = pgprot_val(vma->vm_page_prot);
 
 	/* Set to write-through */
-	prot &= ~_PAGE_NO_CACHE;
+	prot = (prot & _PAGE_CA_MASK) | _PAGE_CA_WT;
 #if 0
 	if (!write_combine)
 		prot |= _PAGE_WRITETHRU;
-- 
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