From 083f7ba834c09ed9b3904bf2168c378c5550c970 Mon Sep 17 00:00:00 2001 From: Mark Salter Date: Thu, 23 Jan 2014 15:53:56 -0800 Subject: [PATCH] sh: use generic fixmap.h Signed-off-by: Mark Salter Cc: Paul Mundt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sh/include/asm/fixmap.h | 39 ++---------------------------------- 1 file changed, 2 insertions(+), 37 deletions(-) diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h index cbe0186b6794..4daf91c3b725 100644 --- a/arch/sh/include/asm/fixmap.h +++ b/arch/sh/include/asm/fixmap.h @@ -79,13 +79,6 @@ extern void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags); extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags); -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -/* - * Some hardware wants to get fixmapped without caching. - */ -#define set_fixmap_nocache(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) /* * used by vmalloc.c. * @@ -101,36 +94,8 @@ extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags); #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) -#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) - -extern void __this_fixmap_does_not_exist(void); - -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); +#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE - return __fix_to_virt(idx); -} +#include -static inline unsigned long virt_to_fix(const unsigned long vaddr) -{ - BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); - return __virt_to_fix(vaddr); -} #endif -- 2.20.1