mfd: Use DMA for timberdale's ks8842

This patch defines platform data for the ks8842 int the timberdale
MFD.
The platform data contains DMA channels to be used by the driver.

Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/timberdale.c

@@ -43,6 +43,8 @@
 
 #include <linux/timb_dma.h>
 
+#include <linux/ks8842.h>
+
 #include "timberdale.h"
 
 #define DRIVER_NAME "timberdale"
@@ -161,6 +163,12 @@ static const __devinitconst struct resource timberdale_spi_resources[] = {
 	},
 };
 
+static __devinitdata struct ks8842_platform_data
+	timberdale_ks8842_platform_data = {
+	.rx_dma_channel = DMA_ETH_RX,
+	.tx_dma_channel = DMA_ETH_TX
+};
+
 static const __devinitconst struct resource timberdale_eth_resources[] = {
 	{
 		.start	= ETHOFFSET,
@@ -389,6 +397,8 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg0[] = {
 		.name = "ks8842",
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
+		.platform_data = &timberdale_ks8842_platform_data,
+		.data_size = sizeof(timberdale_ks8842_platform_data)
 	},
 };
 
@@ -447,6 +457,8 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg1[] = {
 		.name = "ks8842",
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
+		.platform_data = &timberdale_ks8842_platform_data,
+		.data_size = sizeof(timberdale_ks8842_platform_data)
 	},
 };
 
@@ -538,6 +550,8 @@ static __devinitdata struct mfd_cell timberdale_cells_bar0_cfg3[] = {
 		.name = "ks8842",
 		.num_resources = ARRAY_SIZE(timberdale_eth_resources),
 		.resources = timberdale_eth_resources,
+		.platform_data = &timberdale_ks8842_platform_data,
+		.data_size = sizeof(timberdale_ks8842_platform_data)
 	},
 };