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arm/km: speed up i2c access for keymile boards

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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>
Acked-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Holger Brunck 2011-12-14 05:31:19 +00:00 committed by Albert ARIBAUD
parent 96f5c4b2c9
commit 9e9c6d7cf6
1 changed files with 1 additions and 1 deletions
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include/configs/km/km_arm.h
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@ -194,7 +194,7 @@ 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