From c69ecd9722af22d50295eff81d0b9cd5b8adc2e0 Mon Sep 17 00:00:00 2001 From: Jeroen Hofstee Date: Wed, 8 Oct 2014 22:58:09 +0200 Subject: i2c: designware: add an implement i2c protos Include the i2c header and change the non confirming functions to do so. Cc: Heiko Schocher Signed-off-by: Jeroen Hofstee Acked-by: Heiko Schocher [trini: Fix i2c_get_bus_num prototype] Signed-off-by: Tom Rini --- drivers/i2c/designware_i2c.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) (limited to 'drivers/i2c') diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c index c891ebd39e..e085a7095e 100644 --- a/drivers/i2c/designware_i2c.c +++ b/drivers/i2c/designware_i2c.c @@ -8,6 +8,7 @@ #include #include #include "designware_i2c.h" +#include #ifdef CONFIG_I2C_MULTI_BUS static unsigned int bus_initialized[CONFIG_SYS_I2C_BUS_MAX]; @@ -76,16 +77,20 @@ static void set_speed(int i2c_spd) * * Set the i2c speed. */ -int i2c_set_bus_speed(int speed) +int i2c_set_bus_speed(unsigned int speed) { + int i2c_spd; + if (speed >= I2C_MAX_SPEED) - set_speed(IC_SPEED_MODE_MAX); + i2c_spd = IC_SPEED_MODE_MAX; else if (speed >= I2C_FAST_SPEED) - set_speed(IC_SPEED_MODE_FAST); + i2c_spd = IC_SPEED_MODE_FAST; else - set_speed(IC_SPEED_MODE_STANDARD); + i2c_spd = IC_SPEED_MODE_STANDARD; - return 0; + set_speed(i2c_spd); + + return i2c_spd; } /* @@ -93,7 +98,7 @@ int i2c_set_bus_speed(int speed) * * Gets the i2c speed. */ -int i2c_get_bus_speed(void) +unsigned int i2c_get_bus_speed(void) { u32 cntl; @@ -429,7 +434,7 @@ int i2c_set_bus_num(unsigned int bus) return 0; } -int i2c_get_bus_num(void) +unsigned int i2c_get_bus_num(void) { return current_bus; } -- cgit v1.2.1