[PATCH v3 1/4] dmaengine: fsl-edma: add config and makefile changes for mcf-edma

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This patch adds Kconfig and makefile changes to add ColdFire
mcf5441x family edma support.
A new fsl-edma-common module has been added, to collect common
code to fsl-edma.

Signed-off-by: Angelo Dureghello <angelo@xxxxxxxx>
---
Changes for v2:
- patch splitted into 4
- add fsl-edma-common

Changes for v3:
- remove Kconfig FSL_EDMA_COMMON and set fsl-edma-common.o as
  additional object entry where needed.
---
 drivers/dma/Kconfig  | 13 +++++++++++++
 drivers/dma/Makefile |  3 ++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6d61cd023633..c7d45e69f021 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -220,6 +220,7 @@ config FSL_EDMA
 	depends on OF
 	select DMA_ENGINE
 	select DMA_VIRTUAL_CHANNELS
+	select FSL_EDMA_COMMON
 	help
 	  Support the Freescale eDMA engine with programmable channel
 	  multiplexing capability for DMA request sources(slot).
@@ -327,6 +328,18 @@ config LPC18XX_DMAMUX
 	  Enable support for DMA on NXP LPC18xx/43xx platforms
 	  with PL080 and multiplexed DMA request lines.
 
+config MCF_EDMA
+	tristate "Freescale eDMA engine support, ColdFire mcf5441x SoCs"
+	depends on M5441x
+	select DMA_ENGINE
+	select DMA_VIRTUAL_CHANNELS
+	select FSL_EDMA_COMMON
+	help
+	  Support the Freescale ColdFire eDMA engine, 64-channel
+	  implementation that performs complex data transfers with
+	  minimal intervention from a host processor.
+	  This module can be found on Freescale ColdFire mcf5441x SoCs.
+
 config MMP_PDMA
 	bool "MMP PDMA support"
 	depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 0f62a4d49aab..cce5e3400580 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -32,7 +32,8 @@ obj-$(CONFIG_DW_AXI_DMAC) += dw-axi-dmac/
 obj-$(CONFIG_DW_DMAC_CORE) += dw/
 obj-$(CONFIG_EP93XX_DMA) += ep93xx_dma.o
 obj-$(CONFIG_FSL_DMA) += fsldma.o
-obj-$(CONFIG_FSL_EDMA) += fsl-edma.o
+obj-$(CONFIG_FSL_EDMA) += fsl-edma.o fsl-edma-common.o
+obj-$(CONFIG_MCF_EDMA) += mcf-edma.o fsl-edma-common.o
 obj-$(CONFIG_FSL_RAID) += fsl_raid.o
 obj-$(CONFIG_HSU_DMA) += hsu/
 obj-$(CONFIG_IMG_MDC_DMA) += img-mdc-dma.o
-- 
2.17.0

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