From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 28 Jan 2014 05:53:33 +0000 (+0800)
Subject: blackfin: the sclk MHz in i2c driver should be divided by 1000 other than 1024
X-Git-Tag: v2014.04-rc2~141
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=bb0fad0ea095944c76dc94fcd13b91699413f79f;p=u-boot

blackfin: the sclk MHz in i2c driver should be divided by 1000 other than 1024

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---

diff --git a/drivers/i2c/bfin-twi_i2c.c b/drivers/i2c/bfin-twi_i2c.c
index b3a04d3207..5c372809c9 100644
--- a/drivers/i2c/bfin-twi_i2c.c
+++ b/drivers/i2c/bfin-twi_i2c.c
@@ -274,7 +274,7 @@ unsigned int i2c_get_bus_speed(void)
  */
 void i2c_init(int speed, int slaveaddr)
 {
-	uint8_t prescale = ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F;
+	uint8_t prescale = ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F;
 
 	/* Set TWI internal clock as 10MHz */
 	twi->control = prescale;