arm64: Add cast for virt_to_pfn

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 <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Laura Abbott 2017-01-10 13:35:48 -08:00 committed by Will Deacon
parent 9e22eb616f
commit 869dcfd10d

View file

@ -209,7 +209,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __pa(x) __virt_to_phys((unsigned long)(x)) #define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) #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 * * virt_to_page(k) convert a _valid_ virtual address to struct page *