From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 24 Feb 2009 13:23:51 +0000 (+0900)
Subject: sh: fix P4 iounmap() pass-through
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=3e91faec47e9e12b965c952d698b0bb64847af06;p=deliverable%2Flinux.git

sh: fix P4 iounmap() pass-through

Fix iounmap() of pass-through P4 addresses. Without this patch
iounmap() on the sh7780 rtc area results in a warning message.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c
index 32946fba123e..8dc77026a0b5 100644
--- a/arch/sh/mm/ioremap_32.c
+++ b/arch/sh/mm/ioremap_32.c
@@ -119,7 +119,7 @@ void __iounmap(void __iomem *addr)
 	unsigned long seg = PXSEG(vaddr);
 	struct vm_struct *p;
 
-	if (seg < P3SEG || seg >= P3_ADDR_MAX || is_pci_memaddr(vaddr))
+	if (seg < P3SEG || vaddr >= P3_ADDR_MAX || is_pci_memaddr(vaddr))
 		return;
 
 #ifdef CONFIG_32BIT