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-rw-r--r--drivers/i2c/designware_i2c.c2
-rw-r--r--drivers/i2c/designware_i2c.h10
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index dd1cc0b823..2416ef32f9 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -57,10 +57,10 @@ static unsigned int __dw_i2c_set_bus_speed(struct i2c_regs *i2c_base,
unsigned int speed,
unsigned int bus_mhz)
{
+ enum i2c_speed_mode i2c_spd;
unsigned int cntl;
unsigned int hcnt, lcnt;
unsigned int ena;
- int i2c_spd;
/* Allow high speed if there is no config, or the config allows it */
if (speed >= I2C_HIGH_SPEED &&
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h
index d4c1ca0cc3..569cab6fd3 100644
--- a/drivers/i2c/designware_i2c.h
+++ b/drivers/i2c/designware_i2c.h
@@ -136,9 +136,13 @@ struct i2c_regs {
#define IC_STATUS_ACT 0x0001
/* Speed Selection */
-#define IC_SPEED_MODE_STANDARD 1
-#define IC_SPEED_MODE_FAST 2
-#define IC_SPEED_MODE_HIGH 3
+enum i2c_speed_mode {
+ IC_SPEED_MODE_STANDARD,
+ IC_SPEED_MODE_FAST,
+ IC_SPEED_MODE_HIGH,
+
+ IC_SPEED_MODE_COUNT,
+};
#define I2C_HIGH_SPEED 3400000
#define I2C_FAST_SPEED 400000