diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2012-03-05 11:49:29 +0000 |
---|---|---|
committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-09-17 13:42:04 +0100 |
commit | fc47897d2c65bc94b6868a5c914afbd33216e26f (patch) | |
tree | 0926daf682eba58fe67995d7b3c7c1bc65ea58e9 /arch/arm64/include/asm/fb.h | |
parent | 6170a97460dbda12686bef0dec65ce2d59867f9e (diff) | |
download | op-kernel-dev-fc47897d2c65bc94b6868a5c914afbd33216e26f.zip op-kernel-dev-fc47897d2c65bc94b6868a5c914afbd33216e26f.tar.gz |
arm64: Device specific operations
This patch adds several definitions for device communication, including
I/O accessors and ioremap(). The __raw_* accessors are implemented as
inline asm to avoid compiler generation of post-indexed accesses (less
efficient to emulate in a virtualised environment).
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch/arm64/include/asm/fb.h')
-rw-r--r-- | arch/arm64/include/asm/fb.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/fb.h b/arch/arm64/include/asm/fb.h new file mode 100644 index 0000000..adb88a6 --- /dev/null +++ b/arch/arm64/include/asm/fb.h @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_FB_H_ +#define __ASM_FB_H_ + +#include <linux/fb.h> +#include <linux/fs.h> +#include <asm/page.h> + +static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, + unsigned long off) +{ + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +} + +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + +#endif /* __ASM_FB_H_ */ |