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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 09:53:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-12 09:53:16 -0700 |
| commit | 0ba1c1950c320fcfdfe3dbc7470884e4a390083c (patch) | |
| tree | df52579dd94c0d895329193d9896cc02a92235ab /arch/nios2/include/asm/cacheflush.h | |
| parent | 09d79d103371b1b7ea70ea7f9c05ac207ef22f5d (diff) | |
| parent | e118c3fec9c0d8d2a96462c4c035305dc952e402 (diff) | |
Merge tag 'nios2-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2
Pull nios2 updates from Ley Foon Tan:
"nios2 fixes/enhancements and adding nios2 R2 support"
* tag 'nios2-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
nios2: remove custom early console implementation
nios2: use generic strncpy_from_user() and strnlen_user()
nios2: Add CDX support
nios2: Add BMX support
nios2: Add NIOS2_ARCH_REVISION to select between R1 and R2
nios2: implement flush_dcache_mmap_lock/unlock
nios2: enable earlycon support
nios2: constify irq_domain_ops
nios2: remove wrapper header for cmpxchg.h
nios2: add .gitignore entries for auto-generated files
Diffstat (limited to 'arch/nios2/include/asm/cacheflush.h')
| -rw-r--r-- | arch/nios2/include/asm/cacheflush.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/nios2/include/asm/cacheflush.h b/arch/nios2/include/asm/cacheflush.h index 52abba973dc2..55e383c173f7 100644 --- a/arch/nios2/include/asm/cacheflush.h +++ b/arch/nios2/include/asm/cacheflush.h @@ -46,7 +46,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, extern void flush_dcache_range(unsigned long start, unsigned long end); extern void invalidate_dcache_range(unsigned long start, unsigned long end); -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) +#define flush_dcache_mmap_lock(mapping) \ + spin_lock_irq(&(mapping)->tree_lock) +#define flush_dcache_mmap_unlock(mapping) \ + spin_unlock_irq(&(mapping)->tree_lock) #endif /* _ASM_NIOS2_CACHEFLUSH_H */ |