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

Jeroen Hofstee jeroen at myspectrum.nl
Wed Oct 8 22:58:09 CEST 2014


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

Cc: Heiko Schocher <hs at denx.de>
Signed-off-by: Jeroen Hofstee <jeroen at 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



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