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Subject[PATCH 2/8] arm64: add FIXMAP_PAGE_NOCACHE definition
Date
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(-)

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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