i2c: designware: Consolidate default functionality bits

Use a common place for default functionality bits for both platform
and pci driver.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-designware-core.h

@@ -22,6 +22,14 @@
  *
  */
 
+#include <linux/i2c.h>
+
+#define DW_IC_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C |			\
+					I2C_FUNC_SMBUS_BYTE |		\
+					I2C_FUNC_SMBUS_BYTE_DATA |	\
+					I2C_FUNC_SMBUS_WORD_DATA |	\
+					I2C_FUNC_SMBUS_BLOCK_DATA |	\
+					I2C_FUNC_SMBUS_I2C_BLOCK)
 
 #define DW_IC_CON_MASTER		0x1
 #define DW_IC_CON_SPEED_STD		0x2

drivers/i2c/busses/i2c-designware-pcidrv.c

@@ -71,13 +71,6 @@ struct dw_pci_controller {
 				DW_IC_CON_SLAVE_DISABLE |	\
 				DW_IC_CON_RESTART_EN)
 
-#define DW_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C |			\
-					I2C_FUNC_SMBUS_BYTE |		\
-					I2C_FUNC_SMBUS_BYTE_DATA |	\
-					I2C_FUNC_SMBUS_WORD_DATA |	\
-					I2C_FUNC_SMBUS_BLOCK_DATA |	\
-					I2C_FUNC_SMBUS_I2C_BLOCK)
-
 /* Merrifield HCNT/LCNT/SDA hold time */
 static struct dw_scl_sda_cfg mrfld_config = {
 	.ss_hcnt = 0x2f8,
@@ -250,7 +243,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
 	}
 
 	dev->functionality = controller->functionality |
-				DW_DEFAULT_FUNCTIONALITY;
+				DW_IC_DEFAULT_FUNCTIONALITY;
 
 	dev->master_cfg = controller->bus_cfg;
 	if (controller->scl_sda_cfg) {

drivers/i2c/busses/i2c-designware-platdrv.c

@@ -219,14 +219,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
 	if (r)
 		return r;
 
-	dev->functionality =
-		I2C_FUNC_I2C |
-		I2C_FUNC_10BIT_ADDR |
-		I2C_FUNC_SMBUS_BYTE |
-		I2C_FUNC_SMBUS_BYTE_DATA |
-		I2C_FUNC_SMBUS_WORD_DATA |
-		I2C_FUNC_SMBUS_BLOCK_DATA |
-		I2C_FUNC_SMBUS_I2C_BLOCK;
+	dev->functionality = I2C_FUNC_10BIT_ADDR | DW_IC_DEFAULT_FUNCTIONALITY;
 
 	dev->master_cfg = DW_IC_CON_MASTER | DW_IC_CON_SLAVE_DISABLE |
 			  DW_IC_CON_RESTART_EN;