[PATCH v3 2/6] ARM: mmu: move ARCH_MAP_WRITECOMBINE to header

[Sascha Hauer]

ARCH_MAP_WRITECOMBINE is defined equally for both mmu_32 and mmu_64 and
we'll add more mapping types later, so move it to a header file to be
shared by both mmu implementations.

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/cpu/mmu-common.h | 2 ++
 arch/arm/cpu/mmu_32.c     | 1 -
 arch/arm/cpu/mmu_64.c     | 2 --
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/cpu/mmu-common.h b/arch/arm/cpu/mmu-common.h
index d0b50662570a48fafd47edac9fbc12fe2a62458a..0f11a4b73d1199ec2400f64a2f057cf940d4ff2d 100644
--- a/arch/arm/cpu/mmu-common.h
+++ b/arch/arm/cpu/mmu-common.h
@@ -9,6 +9,8 @@
 #include <linux/kernel.h>
 #include <linux/sizes.h>
 
+#define ARCH_MAP_WRITECOMBINE	((unsigned)-1)
+
 struct device;
 
 void dma_inv_range(void *ptr, size_t size);
diff --git a/arch/arm/cpu/mmu_32.c b/arch/arm/cpu/mmu_32.c
index 2c2144327380c7cbb6c7426212d94a4a9ba5f70f..104780ff6b9827982e16c1e2b8ac8aae6e4b5c6a 100644
--- a/arch/arm/cpu/mmu_32.c
+++ b/arch/arm/cpu/mmu_32.c
@@ -23,7 +23,6 @@
 #include "mmu_32.h"
 
 #define PTRS_PER_PTE		(PGDIR_SIZE / PAGE_SIZE)
-#define ARCH_MAP_WRITECOMBINE	((unsigned)-1)
 
 static inline uint32_t *get_ttb(void)
 {
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index cb0803400cfd6a55f0b34dea823576d6593e96f1..121dd136af33967e516b66091a6c671d45e6e119 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -24,8 +24,6 @@
 
 #include "mmu_64.h"
 
-#define ARCH_MAP_WRITECOMBINE  ((unsigned)-1)
-
 static uint64_t *get_ttb(void)
 {
 	return (uint64_t *)get_ttbr(current_el());

-- 
2.39.5