So users can pass in device memory pointers without provoking
warnings.
Signed-off-by: Lucas Stach <dev@xxxxxxxxxx>
---
arch/arm/cpu/mmu.c | 2 +-
arch/arm/include/asm/mmu.h | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index e733ec4..aaf66d4 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -393,7 +393,7 @@ void *dma_alloc_coherent(size_t size)
return ret;
}
-unsigned long virt_to_phys(void *virt)
+unsigned long virt_to_phys(volatile void *virt)
{
return (unsigned long)virt;
}
diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 4234979..c6e425f 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -39,7 +39,7 @@ 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);
+unsigned long virt_to_phys(volatile 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);
@@ -62,7 +62,7 @@ static inline void *phys_to_virt(unsigned long phys)
return (void *)phys;
}
-static inline unsigned long virt_to_phys(void *mem)
+static inline unsigned long virt_to_phys(volatile void *mem)
{
return (unsigned long)mem;
}
--
2.1.0
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