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arch/arc: Implement <asm/fb.h> with generic helpers
Replace the architecture's fbdev helpers with the generic ones from <asm-generic/fb.h>. On arc, pgprot_writecombine() and pgprot_noncached() are the same; hence no functional changes. v3: * use default implementation for fb_pgprotect() (Arnd) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Vineet Gupta <vgupta@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Helge Deller <deller@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230417125651.25126-3-tzimmermann@suse.de
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1 changed files with 2 additions and 14 deletions
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/* SPDX-License-Identifier: GPL-2.0 */
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_FB_H_
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#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fb.h>
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#include <asm-generic/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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static inline int fb_is_primary_device(struct fb_info *info)
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{
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return 0;
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}
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#endif /* _ASM_FB_H_ */
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#endif /* _ASM_FB_H_ */
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