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| author | Max Filippov <jcmvbkbc@gmail.com> | 2012-09-17 05:44:33 +0400 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2012-10-03 15:11:13 -0700 |
| commit | 2e6ee5ec88dd9d4d4e934709200259538160039d (patch) | |
| tree | bad91316a924581ca08198e2a950c0b57d6f6a5d /arch | |
| parent | 6aebb64ad415c7d63ad4db5b401f960fe7b1d972 (diff) | |
| download | lwn-2e6ee5ec88dd9d4d4e934709200259538160039d.tar.gz lwn-2e6ee5ec88dd9d4d4e934709200259538160039d.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/xtensa/kernel/pci.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |