From: Chris Zankel <chris@zankel.net>
Date: Wed, 24 Oct 2012 03:25:37 +0000 (-0700)
Subject: xtensa: use physical addresses for bus addresses
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=cddfcbcd05851a3b720055d40fc61c63ea1c2bd1;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

xtensa: use physical addresses for bus addresses

Define virt_to_bus and bus_to_virt as virt_to_phys, and phys_to_virt,
       respectively.

Signed-off-by: Chris Zankel <chris@zankel.net>
---

diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index e6be5b9091c2..700c2e6f2d25 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -62,6 +62,10 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 static inline void iounmap(volatile void __iomem *addr)
 {
 }
+
+#define virt_to_bus     virt_to_phys
+#define bus_to_virt     phys_to_virt
+
 #endif /* CONFIG_MMU */
 
 /*