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Subject[tip:x86/mm] x86: Use new cache mode type in drivers/video/fbdev/ vermilion
Commit-ID:  5006e45a6bc293b490638210d1a88ac391d2eb92
Gitweb: http://git.kernel.org/tip/5006e45a6bc293b490638210d1a88ac391d2eb92
Author: Juergen Gross <jgross@suse.com>
AuthorDate: Mon, 3 Nov 2014 14:01:50 +0100
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Sun, 16 Nov 2014 11:04:25 +0100

x86: Use new cache mode type in drivers/video/fbdev/vermilion

Instead of directly using the cache mode bits in the pte switch to
using the cache mode type.

Based-on-patch-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Thomas 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/1415019724-4317-5-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/video/fbdev/vermilion/vermilion.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c
index 5f930ae..6b70d7f 100644
--- a/drivers/video/fbdev/vermilion/vermilion.c
+++ b/drivers/video/fbdev/vermilion/vermilion.c
@@ -1003,13 +1003,15 @@ static int vmlfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
struct vml_info *vinfo = container_of(info, struct vml_info, info);
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
int ret;
+ unsigned long prot;

ret = vmlfb_vram_offset(vinfo, offset);
if (ret)
return -EINVAL;

- pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
- pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
+ prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
+ pgprot_val(vma->vm_page_prot) =
+ prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);

return vm_iomap_memory(vma, vinfo->vram_start,
vinfo->vram_contig_size);

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