x86: Use new cache mode type in arch/x86/pci

Instead of directly using the cache mode bits in the pte switch to
using the cache mode type.
Based-on-patch-by: NStefan Bader <stefan.bader@canonical.com>
Signed-off-by: NJuergen Gross <jgross@suse.com>
Reviewed-by: NThomas Gleixner <tglx@linutronix.de>
Cc: stefan.bader@canonical.com
Cc: xen-devel@lists.xensource.com
Cc: konrad.wilk@oracle.com
Cc: ville.syrjala@linux.intel.com
Cc: david.vrabel@citrix.com
Cc: jbeulich@suse.com
Cc: toshi.kani@hp.com
Cc: plagnioj@jcrosoft.com
Cc: tomi.valkeinen@ti.com
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1415019724-4317-6-git-send-email-jgross@suse.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>

arch/x86/pci/i386.c

@@ -433,14 +433,14 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 		return -EINVAL;
 
 	if (pat_enabled && write_combine)
-		prot |= _PAGE_CACHE_WC;
+		prot |= cachemode2protval(_PAGE_CACHE_MODE_WC);
 	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
 		 * as well.
 		 */
-		prot |= _PAGE_CACHE_UC_MINUS;
+		prot |= cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
 
 	vma->vm_page_prot = __pgprot(prot);