diff options
author | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
---|---|---|
committer | Andrea Bastoni <bastoni@cs.unc.edu> | 2010-05-30 19:16:45 -0400 |
commit | ada47b5fe13d89735805b566185f4885f5a3f750 (patch) | |
tree | 644b88f8a71896307d71438e9b3af49126ffb22b /drivers/i2c/busses/i2c-bfin-twi.c | |
parent | 43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff) | |
parent | 3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff) |
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'drivers/i2c/busses/i2c-bfin-twi.c')
-rw-r--r-- | drivers/i2c/busses/i2c-bfin-twi.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index b309ac2c3d5c..f1e14dd590c9 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/kernel.h> | 12 | #include <linux/kernel.h> |
13 | #include <linux/init.h> | 13 | #include <linux/init.h> |
14 | #include <linux/i2c.h> | 14 | #include <linux/i2c.h> |
15 | #include <linux/slab.h> | ||
15 | #include <linux/io.h> | 16 | #include <linux/io.h> |
16 | #include <linux/mm.h> | 17 | #include <linux/mm.h> |
17 | #include <linux/timer.h> | 18 | #include <linux/timer.h> |
@@ -693,13 +694,13 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) | |||
693 | } | 694 | } |
694 | 695 | ||
695 | /* Set TWI internal clock as 10MHz */ | 696 | /* Set TWI internal clock as 10MHz */ |
696 | write_CONTROL(iface, ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F); | 697 | write_CONTROL(iface, ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F); |
697 | 698 | ||
698 | /* | 699 | /* |
699 | * We will not end up with a CLKDIV=0 because no one will specify | 700 | * 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) | 701 | * 20kHz SCL or less in Kconfig now. (5 * 1000 / 20 = 250) |
701 | */ | 702 | */ |
702 | clkhilow = 5 * 1024 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ; | 703 | clkhilow = ((10 * 1000 / CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ) + 1) / 2; |
703 | 704 | ||
704 | /* Set Twi interface clock as specified */ | 705 | /* Set Twi interface clock as specified */ |
705 | write_CLKDIV(iface, (clkhilow << 8) | clkhilow); | 706 | write_CLKDIV(iface, (clkhilow << 8) | clkhilow); |