Messages in this thread Patch in this message | | | From | Rabin Vincent <> | Subject | [PATCH 1/2] arm: fixmap: implement __set_fixmap() | Date | Fri, 4 Apr 2014 23:27:49 +0200 |
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This is used from set_fixmap() and clear_fixmap() via asm-generic/fixmap.h.
Signed-off-by: Rabin Vincent <rabin@rab.in> --- Needs "arm: use generic fixmap.h", available in linux-next.
arch/arm/include/asm/fixmap.h | 2 ++ arch/arm/mm/mmu.c | 7 +++++++ 2 files changed, 9 insertions(+)
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h index 68ea615..55ed076 100644 --- a/arch/arm/include/asm/fixmap.h +++ b/arch/arm/include/asm/fixmap.h @@ -23,6 +23,8 @@ enum fixed_addresses { __end_of_fixed_addresses }; +void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot); + #include <asm-generic/fixmap.h> #endif diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 3e16307..61bdfb1 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -22,6 +22,7 @@ #include <asm/cputype.h> #include <asm/sections.h> #include <asm/cachetype.h> +#include <asm/fixmap.h> #include <asm/sections.h> #include <asm/setup.h> #include <asm/smp_plat.h> @@ -388,6 +389,12 @@ SET_MEMORY_FN(rw, pte_set_rw) SET_MEMORY_FN(x, pte_set_x) SET_MEMORY_FN(nx, pte_set_nx) +void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot) +{ + BUG_ON(idx >= __end_of_fixed_addresses); + set_top_pte(__fix_to_virt(idx), pfn_pte(__phys_to_pfn(phys), prot)); +} + /* * Adjust the PMD section entries according to the CPU in use. */ -- 1.9.1
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