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xtensa/PCI: fix WT caching attribute

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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>
This commit is contained in:
Max Filippov 2012-09-17 05:44:33 +04:00 committed by Chris Zankel
parent 6aebb64ad4
commit 2e6ee5ec88
1 changed files with 1 additions and 1 deletions
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arch/xtensa/kernel/pci.c
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@ -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;