commit 2e6ee5ec88dd9d4d4e934709200259538160039d
author Max Filippov <jcmvbkbc@gmail.com> Mon Sep 17 05:44:33 2012 +0400
committer Chris Zankel <chris@zankel.net> Wed Oct 03 15:11:13 2012 -0700
tree bad91316a924581ca08198e2a950c0b57d6f6a5d
parent 6aebb64ad415c7d63ad4db5b401f960fe7b1d972

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

diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 69759e9..43e9fdc 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -341,7 +341,7 @@
 	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;