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arm64: add support for ioremap() block mappings
[linux-2.6-block.git]
/
arch
/
arm64
/
include
/
asm
/
memory.h
diff --git
a/arch/arm64/include/asm/memory.h
b/arch/arm64/include/asm/memory.h
index 853953cd1f0813fd562b68b7cdddd95582f1e392..c65aad7b13dc5032d5694b34f6824e1666c31122 100644
(file)
--- a/
arch/arm64/include/asm/memory.h
+++ b/
arch/arm64/include/asm/memory.h
@@
-100,6
+100,12
@@
#define MT_S2_NORMAL 0xf
#define MT_S2_DEVICE_nGnRE 0x1
+#ifdef CONFIG_ARM64_4K_PAGES
+#define IOREMAP_MAX_ORDER (PUD_SHIFT)
+#else
+#define IOREMAP_MAX_ORDER (PMD_SHIFT)
+#endif
+
#ifndef __ASSEMBLY__
extern phys_addr_t memstart_addr;