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MIPS: page.h: Define virt_to_pfn()

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Define virt_to_pfn() based on the existing definition of virt_to_page()
which already does a PFN_DOWN(vir_to_phys(kaddr)).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/15409/
Signed-off-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Florian Fainelli 2017-03-09 13:11:49 -08:00 • committed by James Hogan
commit 37d15948eb
1 changed files with 2 additions and 2 deletions
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4
arch/mips/include/asm/page.h
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@ -240,8 +240,8 @@ static inline int pfn_valid(unsigned long pfn)
#endif
#define virt_to_page(kaddr) pfn_to_page(PFN_DOWN(virt_to_phys((void *) \
(kaddr))))
#define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr)))
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
extern int __virt_addr_valid(const volatile void *kaddr);
#define virt_addr_valid(kaddr) \