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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 18:04:11 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 20:09:28 +0800 |
| commit | 7153c3cbb5b9b99755659b97861fd4fc909ed86f (patch) | |
| tree | 307ba0baa2827ac8426e032cab988e29eb6d55cd /arch/loongarch/include/asm/fb.h | |
| parent | fcdfe9d22bed08409968a751e93112f742208be6 (diff) | |
| download | lwn-7153c3cbb5b9b99755659b97861fd4fc909ed86f.tar.gz lwn-7153c3cbb5b9b99755659b97861fd4fc909ed86f.zip | |
LoongArch: Add misc common routines
Add some misc common routines for LoongArch, including: asm-offsets
routines, futex functions, i/o memory access functions, frame-buffer
functions, procfs information display, etc.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/fb.h')
| -rw-r--r-- | arch/loongarch/include/asm/fb.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/fb.h b/arch/loongarch/include/asm/fb.h new file mode 100644 index 000000000000..3116bde8772d --- /dev/null +++ b/arch/loongarch/include/asm/fb.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#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_ */ |