linux-kernel - [PATCH 2/8] arm64: add FIXMAP_PAGE

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Date:	Fri, 21 Mar 2014 16:08:42 -0500
From:	Rob Herring <robherring2@...il.com>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>,
	Catalin Marinas <catalin.marinas@....com>,
	Russell King <linux@....linux.org.uk>,
	Will Deacon <will.deacon@....com>, x86@...nel.org,
	Arnd Bergmann <arnd@...db.de>, Rob Herring <robh@...nel.org>
Subject: [PATCH 2/8] arm64: add FIXMAP_PAGE_NOCACHE definition

From: Rob Herring <robh@...nel.org>

Similar to ioremap and ioremap_nocache, we want the same definition for
both using PROT_DEVICE_nGnRE.

Signed-off-by: Rob Herring <robh@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will.deacon@....com>
---
 arch/arm64/include/asm/fixmap.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h
index 5f7bfe6..68eab3c 100644
--- a/arch/arm64/include/asm/fixmap.h
+++ b/arch/arm64/include/asm/fixmap.h
@@ -54,7 +54,8 @@ enum fixed_addresses {
 #define FIXADDR_SIZE	(__end_of_permanent_fixed_addresses << PAGE_SHIFT)
 #define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
 
-#define FIXMAP_PAGE_IO     __pgprot(PROT_DEVICE_nGnRE)
+#define FIXMAP_PAGE_IO		__pgprot(PROT_DEVICE_nGnRE)
+#define FIXMAP_PAGE_NOCACHE	__pgprot(PROT_DEVICE_nGnRE)
 
 extern void __early_set_fixmap(enum fixed_addresses idx,
 			       phys_addr_t phys, pgprot_t flags);
-- 
1.8.3.2

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