[PATCH RFT 02/24] ARM: move virt<->phys translation to io.h

[Lucas Stach <dev@lynxeye.de>]

That's the place where Linux has them and other architectures would
implement this.

This will help in phasing out the direct usage of the ARM asm/mmu.h
header.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
 arch/arm/include/asm/io.h  | 15 +++++++++++++++
 arch/arm/include/asm/mmu.h | 12 ------------
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 850a99c..0f938ec 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -69,4 +69,19 @@ extern void memset_io(volatile void __iomem *, int, size_t);
 #define setbits_8(addr, set) setbits(8, addr, set)
 #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
 
+#ifdef CONFIG_MMU
+unsigned long virt_to_phys(void *virt);
+void *phys_to_virt(unsigned long phys);
+#else
+static inline void *phys_to_virt(unsigned long phys)
+{
+	return (void *)phys;
+}
+
+static inline unsigned long virt_to_phys(void *mem)
+{
+	return (unsigned long)mem;
+}
+#endif
+
 #endif	/* __ASM_ARM_IO_H */
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 4234979..3d87588 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -39,8 +39,6 @@ void dma_free_coherent(void *mem, size_t size);
 void dma_clean_range(unsigned long, unsigned long);
 void dma_flush_range(unsigned long, unsigned long);
 void dma_inv_range(unsigned long, unsigned long);
-unsigned long virt_to_phys(void *virt);
-void *phys_to_virt(unsigned long phys);
 void remap_range(void *_start, size_t size, uint32_t flags);
 void *map_io_sections(unsigned long physaddr, void *start, size_t size);
 uint32_t mmu_get_pte_cached_flags(void);
@@ -57,16 +55,6 @@ static inline void dma_free_coherent(void *mem, size_t size)
 	free(mem);
 }
 
-static inline void *phys_to_virt(unsigned long phys)
-{
-	return (void *)phys;
-}
-
-static inline unsigned long virt_to_phys(void *mem)
-{
-	return (unsigned long)mem;
-}
-
 static inline void dma_clean_range(unsigned long s, unsigned long e)
 {
 }
-- 
2.1.0


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