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[2/8] arm64: add FIXMAP_PAGE_NOCACHE definition

Message ID 1395436128-11244-3-git-send-email-robherring2@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Rob Herring March 21, 2014, 9:08 p.m. UTC 
From: Rob Herring <robh@kernel.org>

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

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

Comments

Catalin Marinas March 24, 2014, 11:13 a.m. UTC | #1 
On Fri, Mar 21, 2014 at 09:08:42PM +0000, Rob Herring wrote:
> From: Rob Herring <robh@kernel.org>
> 
> Similar to ioremap and ioremap_nocache, we want the same definition for
> both using PROT_DEVICE_nGnRE.
> 
> Signed-off-by: Rob Herring <robh@kernel.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
diff mbox

Patch

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);