From: Alexander Kuleshov <kuleshovmail@gmail.com>
Date: Wed, 12 Aug 2015 07:14:59 +0000 (+0600)
Subject: m68k/coldfire: use PFN_DOWN macro
X-Git-Tag: v4.14-rc1~4741^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=50e48bd0673180311874d0c1bd88505eefd75c4e;p=platform%2Fkernel%2Flinux-rpi.git

m68k/coldfire: use PFN_DOWN macro

Replace ((x) >> PAGE_SHIFT) with the predefined PFN_DOWN macro.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---

diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index 075aaab..f7836c6 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -25,6 +25,7 @@
 #include <asm/m54xxgpt.h>
 #ifdef CONFIG_MMU
 #include <asm/mmu_context.h>
+#include <linux/pfn.h>
 #endif
 
 /***************************************************************************/
@@ -91,13 +92,13 @@ static void __init mcf54xx_bootmem_alloc(void)
 	m68k_memory[0].size = _ramend - _rambase;
 
 	/* compute total pages in system */
-	num_pages = (_ramend - _rambase) >> PAGE_SHIFT;
+	num_pages = PFN_DOWN(_ramend - _rambase);
 
 	/* page numbers */
 	memstart = PAGE_ALIGN(_ramstart);
-	min_low_pfn = _rambase >> PAGE_SHIFT;
-	start_pfn = memstart >> PAGE_SHIFT;
-	max_low_pfn = _ramend >> PAGE_SHIFT;
+	min_low_pfn = PFN_DOWN(_rambase);
+	start_pfn = PFN_DOWN(memstart);
+	max_low_pfn = PFN_DOWN(_ramend);
 	high_memory = (void *)_ramend;
 
 	m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;