We don't need 3us delay for our i2c bus. Decrease it to 1us. It would also be possible to use 100ns in the future, but currently kirkwood has no ndelay implementation.
Signed-off-by: Holger Brunck holger.brunck@keymile.com Cc: Valentin Longchamp valentin.longchamp@keymile.com Cc: Prafulla Wadaskar prafulla@marvell.com Cc: Heiko Schocher hs@denx.de --- include/configs/km/km_arm.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h index 700124c..ca84932 100644 --- a/include/configs/km/km_arm.h +++ b/include/configs/km/km_arm.h @@ -195,7 +195,7 @@ int get_scl(void); #define I2C_SCL(bit) kw_gpio_set_value(KM_KIRKWOOD_SCL_PIN, bit) #endif
-#define I2C_DELAY udelay(3) /* 1/4 I2C clock duration */ +#define I2C_DELAY udelay(1) #define I2C_SOFT_DECLARATIONS
#endif