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arm64: Add cast for virt_to_pfn

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virt_to_pfn lacks a cast at the top level. Don't rely on __virt_to_phys
and explicitly cast to unsigned long.

Reviewed-by: Mark Rutland <[email protected]>
Tested-by: Mark Rutland <[email protected]>
Signed-off-by: Laura Abbott <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
This commit is contained in:
Laura Abbott authored and Will Deacon committed 2017-01-12 15:05:39 +00:00
1 parent 9e22eb616f
commit 869dcfd10d
1 file changed
+1 -1
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arch/arm64/include/asm/memory.h
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@@ -209,7 +209,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x))
#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys((unsigned long)(x)))
/*
* virt_to_page(k) convert a _valid_ virtual address to struct page *