[U-Boot] [PATCH 49/49] i2c: designware: add an implement i2c protos

Jeroen Hofstee
2014-10-08T20:58:09Z

Include the i2c header and change the non confirming
functions to do so.

Cc: Heiko Schocher <hs@denx.de>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
---
drivers/i2c/designware_i2c.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index c891ebd..eb43597 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -8,6 +8,7 @@
#include <common.h>
#include <asm/io.h>
#include "designware_i2c.h"
+#include <i2c.h>

#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;

--
2.1.0