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>
This commit is contained in:
Родитель
0c6c1ce079
Коммит
10eb2659cc
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@ -33,18 +33,11 @@
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#include <linux/err.h>
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#include <linux/device.h>
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#include <linux/efi.h>
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#if defined(__mc68000__) || defined(CONFIG_APUS)
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#include <asm/setup.h>
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#endif
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#include <asm/io.h>
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#include <asm/uaccess.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <linux/fb.h>
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#include <asm/fb.h>
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/*
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* Frame buffer device initialization and setup routines
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*/
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@ -1155,17 +1148,15 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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}
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#endif
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static int
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static int
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fb_mmap(struct file *file, struct vm_area_struct * vma)
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{
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int fbidx = iminor(file->f_path.dentry->d_inode);
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struct fb_info *info = registered_fb[fbidx];
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struct fb_ops *fb = info->fbops;
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unsigned long off;
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#if !defined(__sparc__) || defined(__sparc_v9__)
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unsigned long start;
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u32 len;
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#endif
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if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
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return -EINVAL;
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@ -1180,12 +1171,6 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
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return res;
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}
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#if defined(__sparc__) && !defined(__sparc_v9__)
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/* Should never get here, all fb drivers should have their own
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mmap routines */
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return -EINVAL;
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#else
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/* !sparc32... */
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lock_kernel();
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/* frame buffer memory */
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@ -1209,50 +1194,11 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
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vma->vm_pgoff = off >> PAGE_SHIFT;
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/* This is an IO map - tell maydump to skip this VMA */
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vma->vm_flags |= VM_IO | VM_RESERVED;
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#if defined(__mc68000__)
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#if defined(CONFIG_SUN3)
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pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
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#elif defined(CONFIG_MMU)
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if (CPU_IS_020_OR_030)
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
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if (CPU_IS_040_OR_060) {
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pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
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/* Use no-cache mode, serialized */
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
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}
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#endif
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#elif defined(__powerpc__)
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vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
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vma->vm_end - vma->vm_start,
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vma->vm_page_prot);
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#elif defined(__alpha__)
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/* Caching is off in the I/O space quadrant by design. */
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#elif defined(__i386__) || defined(__x86_64__)
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if (boot_cpu_data.x86 > 3)
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pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
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#elif defined(__mips__) || defined(__sparc_v9__)
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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#elif defined(__hppa__)
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pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
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#elif defined(__arm__) || defined(__sh__) || defined(__m32r__)
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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#elif defined(__avr32__)
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vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot)
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& ~_PAGE_CACHABLE)
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| (_PAGE_BUFFER | _PAGE_DIRTY));
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#elif defined(__ia64__)
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if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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else
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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#else
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#warning What do we have to do here??
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#endif
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fb_pgprotect(file, vma, off);
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if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
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vma->vm_end - vma->vm_start, vma->vm_page_prot))
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return -EAGAIN;
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return 0;
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#endif /* !sparc32 */
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}
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static int
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@ -0,0 +1,7 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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/* Caching is off in the I/O space quadrant by design. */
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,15 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot)
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& ~_PAGE_CACHABLE)
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| (_PAGE_BUFFER | _PAGE_DIRTY));
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,14 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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if (boot_cpu_data.x86 > 3)
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pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,17 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <linux/efi.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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else
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,28 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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#include <asm/setup.h>
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#ifdef CONFIG_SUN3
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
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}
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#else
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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if (CPU_IS_020_OR_030)
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
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if (CPU_IS_040_OR_060) {
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pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
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/* Use no-cache mode, serialized */
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
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}
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}
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#endif /* CONFIG_SUN3 */
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,15 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
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vma->vm_end - vma->vm_start,
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vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,13 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,12 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,14 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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if (boot_cpu_data.x86 > 3)
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pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
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}
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#endif /* _ASM_FB_H_ */
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@ -0,0 +1,6 @@
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define fb_pgprotect(...) do {} while (0)
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#endif /* _ASM_FB_H_ */
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