linux-kernel - [RFC] arm64: ioremap: add ioremap

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Message-Id: <1444616898-5057-1-git-send-email-yalin.wang2010@gmail.com>
Date:	Mon, 12 Oct 2015 10:28:18 +0800
From:	yalin wang <yalin.wang2010@...il.com>
To:	catalin.marinas@....com, will.deacon@....com, mingo@...nel.org,
	toshi.kani@...com, mark.rutland@....com, michal.simek@...inx.com,
	yalin.wang2010@...il.com, treding@...dia.com,
	andre.przywara@....com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [RFC] arm64: ioremap: add ioremap_cache macro

Add ioremap_cache macro, because some code will test if this macro
is defined or not, and will generate a generric version if not defined,
for example, memremap.c do like this.

Signed-off-by: yalin wang <yalin.wang2010@...il.com>
---
 arch/arm64/include/asm/io.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 44be1e0..d6b620c 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -172,6 +172,7 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size);
 #define ioremap_wc(addr, size)		__ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
 #define ioremap_wt(addr, size)		__ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
 #define iounmap				__iounmap
+#define ioremap_cache                  ioremap_cache
 
 /*
  * io{read,write}{16,32}be() macros
-- 
1.9.1

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