[PATCH] arm64/mm: use phys_addr_t

[miles.chen]

From: Miles Chen <miles.chen@xxxxxxxxxxxx>

Use phys_addr_t instead of unsigned long for the
return value of __pa(), make code easy to understand.

Signed-off-by: Miles Chen <miles.chen@xxxxxxxxxxxx>
---
 arch/arm64/mm/mmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 17243e4..7eb7c21 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -359,8 +359,8 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
 
 static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end)
 {
-	unsigned long kernel_start = __pa(_text);
-	unsigned long kernel_end = __pa(__init_begin);
+	phys_addr_t kernel_start = __pa(_text);
+	phys_addr_t kernel_end = __pa(__init_begin);
 
 	/*
 	 * Take care not to create a writable alias for the
-- 
1.9.1