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Diffstat (limited to 'drivers/i2c/busses/i2c-bfin-twi.c')
-rw-r--r--drivers/i2c/busses/i2c-bfin-twi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index b309ac2c3d5c..fe3fb567317d 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -693,13 +693,13 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev)
693 } 693 }
694 694
695 /* Set TWI internal clock as 10MHz */ 695 /* Set TWI internal clock as 10MHz */
696 write_CONTROL(iface, ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F); 696 write_CONTROL(iface, ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F);
697 697
698 /* 698 /*
699 * We will not end up with a CLKDIV=0 because no one will specify 699 * We will not end up with a CLKDIV=0 because no one will specify
700 * 20kHz SCL or less in Kconfig now. (5 * 1024 / 20 = 0x100) 700 * 20kHz SCL or less in Kconfig now. (5 * 1000 / 20 = 250)
701 */ 701 */
702 clkhilow = 5 * 1024 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ; 702 clkhilow = ((10 * 1000 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ) + 1) / 2;
703 703
704 /* Set Twi interface clock as specified */ 704 /* Set Twi interface clock as specified */
705 write_CLKDIV(iface, (clkhilow << 8) | clkhilow); 705 write_CLKDIV(iface, (clkhilow << 8) | clkhilow);