i2c: Finish dropping use of CONFIG_I2C_HARD

Drop use of this long-deprecated option.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

README

@@ -2204,7 +2204,9 @@ The following options need to be configured:
 
 		If you do not have i2c muxes on your board, omit this define.
 
-- Legacy I2C Support:	CONFIG_HARD_I2C
+----under removal:
+
+- Legacy I2C Support:	CONFIG_SOFT_I2C
 
 		NOTE: It is intended to move drivers to CONFIG_SYS_I2C which
 		provides the following compelling advantages:
@@ -2213,14 +2215,12 @@ The following options need to be configured:
 		- approved multibus support
 		- better i2c mux support
 
-		** CONFIG_HARD_I2C is now being removed **
-
-----under removal:
+		** CONFIG_SOFT_I2C is now being removed **
 
-		In both cases you will need to define CONFIG_SYS_I2C_SPEED
-		to be the frequency (in Hz) at which you wish your i2c bus
-		to run and CONFIG_SYS_I2C_SLAVE to be the address of this node (ie
-		the CPU's i2c node address).
+		With CONFIG_SOFT_I2C you will need to define
+		CONFIG_SYS_I2C_SPEED to be the frequency (in Hz) at which you
+		wish your i2c bus to run and CONFIG_SYS_I2C_SLAVE to be the
+		address of this node (ie the CPU's i2c node address).
 
 		Now, the u-boot i2c code for the mpc8xx
 		(arch/powerpc/cpu/mpc8xx/i2c.c) sets the CPU up as a master node

cmd/eeprom.c

@@ -73,11 +73,9 @@ void eeprom_init(int bus)
 #endif
 
 	/* I2C EEPROM */
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 #if defined(CONFIG_SYS_I2C)
 	if (bus >= 0)
 		i2c_set_bus_num(bus);
-#endif
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 #endif
 }

common/board_f.c

@@ -184,7 +184,7 @@ __weak int dram_init_banksize(void)
 	return 0;
 }
 
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
+#if defined(CONFIG_SYS_I2C)
 static int init_func_i2c(void)
 {
 	puts("I2C:   ");
@@ -765,7 +765,7 @@ static const init_fnc_t init_sequence_f[] = {
 	misc_init_f,
 #endif
 	INIT_FUNC_WATCHDOG_RESET
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
+#if defined(CONFIG_SYS_I2C)
 	init_func_i2c,
 #endif
 #if defined(CONFIG_HARD_SPI)

common/stdio.c

@@ -21,7 +21,7 @@
 #include <logbuff.h>
 #endif
 
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
+#if defined(CONFIG_SYS_I2C)
 #include <i2c.h>
 #endif
 
@@ -346,9 +346,6 @@ int stdio_add_devices(void)
 #ifdef CONFIG_SYS_I2C
 	i2c_init_all();
 #else
-#if defined(CONFIG_HARD_I2C)
-	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
 #endif
 #ifdef CONFIG_DM_VIDEO
 	/*

scripts/config_whitelist.txt

@@ -1134,7 +1134,6 @@ CONFIG_G_DNL_UMS_VENDOR_NUM
 CONFIG_H264_FREQ
 CONFIG_H8300
 CONFIG_HALEAKALA
-CONFIG_HARD_I2C
 CONFIG_HARD_SPI
 CONFIG_HASH_VERIFY
 CONFIG_HAS_DATAFLASH