fbdev: move arch-specific bits to their respective subdirectories

Move arch-specific bits of fb_mmap() to their respective subdirectories

[bob.picco@hp.com: efi_range_is_wc is referenced but not declared]
[bunk@stusta.de: fix include/asm-m68k/fb.h]
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 58 deletions

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 38c2e25..8d6dbe8 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -33,17 +33,10 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/efi.h>
+#include <linux/fb.h>
 
-#if defined(__mc68000__) || defined(CONFIG_APUS)
-#include <asm/setup.h>
-#endif
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
+#include <asm/fb.h>
 
-#include <linux/fb.h>
 
     /*
      *  Frame buffer device initialization and setup routines
@@ -1155,17 +1148,15 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 }
 #endif
 
-static int 
+static int
 fb_mmap(struct file *file, struct vm_area_struct * vma)
 {
 	int fbidx = iminor(file->f_path.dentry->d_inode);
 	struct fb_info *info = registered_fb[fbidx];
 	struct fb_ops *fb = info->fbops;
 	unsigned long off;
-#if !defined(__sparc__) || defined(__sparc_v9__)
 	unsigned long start;
 	u32 len;
-#endif
 
 	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
 		return -EINVAL;
@@ -1180,12 +1171,6 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 		return res;
 	}
 
-#if defined(__sparc__) && !defined(__sparc_v9__)
-	/* Should never get here, all fb drivers should have their own
-	   mmap routines */
-	return -EINVAL;
-#else
-	/* !sparc32... */
 	lock_kernel();
 
 	/* frame buffer memory */
@@ -1209,50 +1194,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 	vma->vm_pgoff = off >> PAGE_SHIFT;
 	/* This is an IO map - tell maydump to skip this VMA */
 	vma->vm_flags |= VM_IO | VM_RESERVED;
-#if defined(__mc68000__)
-#if defined(CONFIG_SUN3)
-	pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
-#elif defined(CONFIG_MMU)
-	if (CPU_IS_020_OR_030)
-		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
-	if (CPU_IS_040_OR_060) {
-		pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
-		/* Use no-cache mode, serialized */
-		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
-	}
-#endif
-#elif defined(__powerpc__)
-	vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
-						 vma->vm_end - vma->vm_start,
-						 vma->vm_page_prot);
-#elif defined(__alpha__)
-	/* Caching is off in the I/O space quadrant by design.  */
-#elif defined(__i386__) || defined(__x86_64__)
-	if (boot_cpu_data.x86 > 3)
-		pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
-#elif defined(__mips__) || defined(__sparc_v9__)
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#elif defined(__hppa__)
-	pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
-#elif defined(__arm__) || defined(__sh__) || defined(__m32r__)
-	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-#elif defined(__avr32__)
-	vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot)
-				      & ~_PAGE_CACHABLE)
-				     | (_PAGE_BUFFER | _PAGE_DIRTY));
-#elif defined(__ia64__)
-	if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
-		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-	else
-		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#else
-#warning What do we have to do here??
-#endif
+	fb_pgprotect(file, vma, off);
 	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
 			     vma->vm_end - vma->vm_start, vma->vm_page_prot))
 		return -EAGAIN;
 	return 0;
-#endif /* !sparc32 */
 }
 
 static int