x86: rename pat_wc_enabled to pat_enabled

BTW, what does pat_wc_enabled stand for? Does it mean
"write-combining"?

Currently it is used to globally switch on or off PAT support.
Thus I renamed it to pat_enabled.
I think this increases readability (and hope that I didn't miss
something).

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 10fb308fded8..6ccd7a108cd4 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -299,9 +299,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                 return -EINVAL;
 
         prot = pgprot_val(vma->vm_page_prot);
-        if (pat_wc_enabled && write_combine)
+        if (pat_enabled && write_combine)
                 prot |= _PAGE_CACHE_WC;
-        else if (pat_wc_enabled || boot_cpu_data.x86 > 3)
+        else if (pat_enabled || boot_cpu_data.x86 > 3)
                 /*
                  * ioremap() and ioremap_nocache() defaults to UC MINUS for now.
                  * To avoid attribute conflicts, request UC MINUS here