[PATCH v2 19/34] ARM: mmu: move dma_sync_single_for_device to extra file

[Sascha Hauer <s.hauer@pengutronix.de>]

The next patch merges the mmu.c files with their corresponding
mmu-early.c files. Before doing that move functions which can't
be compiled for PBL out to extra files.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/cpu/Makefile |  1 +
 arch/arm/cpu/dma_32.c | 20 ++++++++++++++++++++
 arch/arm/cpu/dma_64.c | 16 ++++++++++++++++
 arch/arm/cpu/mmu_32.c | 18 ------------------
 arch/arm/cpu/mmu_64.c | 13 -------------
 5 files changed, 37 insertions(+), 31 deletions(-)
 create mode 100644 arch/arm/cpu/dma_32.c
 create mode 100644 arch/arm/cpu/dma_64.c

diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile
index fef2026da5..cd5f36eb49 100644
--- a/arch/arm/cpu/Makefile
+++ b/arch/arm/cpu/Makefile
@@ -4,6 +4,7 @@ obj-y += cpu.o
 
 obj-$(CONFIG_ARM_EXCEPTIONS) += exceptions_$(S64_32).o interrupts_$(S64_32).o
 obj-$(CONFIG_MMU) += mmu_$(S64_32).o mmu-common.o
+obj-$(CONFIG_MMU) += dma_$(S64_32).o
 obj-pbl-y += lowlevel_$(S64_32).o
 obj-pbl-$(CONFIG_MMU) += mmu-early_$(S64_32).o
 obj-pbl-$(CONFIG_CPU_32v7) += hyp.o
diff --git a/arch/arm/cpu/dma_32.c b/arch/arm/cpu/dma_32.c
new file mode 100644
index 0000000000..a66aa26b9b
--- /dev/null
+++ b/arch/arm/cpu/dma_32.c
@@ -0,0 +1,20 @@
+#include <dma.h>
+#include <asm/mmu.h>
+
+void dma_sync_single_for_device(dma_addr_t address, size_t size,
+				enum dma_data_direction dir)
+{
+	/*
+	 * FIXME: This function needs a device argument to support non 1:1 mappings
+	 */
+
+	if (dir == DMA_FROM_DEVICE) {
+		__dma_inv_range(address, address + size);
+		if (outer_cache.inv_range)
+			outer_cache.inv_range(address, address + size);
+	} else {
+		__dma_clean_range(address, address + size);
+		if (outer_cache.clean_range)
+			outer_cache.clean_range(address, address + size);
+	}
+}
diff --git a/arch/arm/cpu/dma_64.c b/arch/arm/cpu/dma_64.c
new file mode 100644
index 0000000000..b4ae736c9b
--- /dev/null
+++ b/arch/arm/cpu/dma_64.c
@@ -0,0 +1,16 @@
+#include <dma.h>
+#include <asm/mmu.h>
+#include <asm/cache.h>
+
+void dma_sync_single_for_device(dma_addr_t address, size_t size,
+                                enum dma_data_direction dir)
+{
+	/*
+	 * FIXME: This function needs a device argument to support non 1:1 mappings
+	 */
+
+	if (dir == DMA_FROM_DEVICE)
+		v8_inv_dcache_range(address, address + size - 1);
+	else
+		v8_flush_dcache_range(address, address + size - 1);
+}
diff --git a/arch/arm/cpu/mmu_32.c b/arch/arm/cpu/mmu_32.c
index 7b31938ecd..10f447874c 100644
--- a/arch/arm/cpu/mmu_32.c
+++ b/arch/arm/cpu/mmu_32.c
@@ -494,21 +494,3 @@ void *dma_alloc_writecombine(size_t size, dma_addr_t *dma_handle)
 {
 	return dma_alloc_map(size, dma_handle, ARCH_MAP_WRITECOMBINE);
 }
-
-void dma_sync_single_for_device(dma_addr_t address, size_t size,
-				enum dma_data_direction dir)
-{
-	/*
-	 * FIXME: This function needs a device argument to support non 1:1 mappings
-	 */
-
-	if (dir == DMA_FROM_DEVICE) {
-		__dma_inv_range(address, address + size);
-		if (outer_cache.inv_range)
-			outer_cache.inv_range(address, address + size);
-	} else {
-		__dma_clean_range(address, address + size);
-		if (outer_cache.clean_range)
-			outer_cache.clean_range(address, address + size);
-	}
-}
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index c7c16b527b..9150de1676 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -241,16 +241,3 @@ void dma_flush_range(void *ptr, size_t size)
 
 	v8_flush_dcache_range(start, end);
 }
-
-void dma_sync_single_for_device(dma_addr_t address, size_t size,
-                                enum dma_data_direction dir)
-{
-	/*
-	 * FIXME: This function needs a device argument to support non 1:1 mappings
-	 */
-
-	if (dir == DMA_FROM_DEVICE)
-		v8_inv_dcache_range(address, address + size - 1);
-	else
-		v8_flush_dcache_range(address, address + size - 1);
-}
-- 
2.39.2