ARM: ux500: Delete U8500 UIB support when booting with ATAGs

It's time to remove all ATAG support from ux500 and rely solely on
Device Tree booting. This patch is part of that endeavour.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

4 files changed, 1 insertions, 45 deletions

diff --git a/arch/arm/mach-ux500/Makefile b/arch/arm/mach-ux500/Makefile
index 685f6153aa39..0d2a89394e7b 100644
--- a/arch/arm/mach-ux500/Makefile
+++ b/arch/arm/mach-ux500/Makefile
@@ -9,7 +9,6 @@ obj-$(CONFIG_UX500_SOC_DB8500)	+= cpu-db8500.o devices-db8500.o
 obj-$(CONFIG_MACH_MOP500)	+= board-mop500.o board-mop500-sdi.o \
 				board-mop500-regulators.o \
 				board-mop500-uib.o board-mop500-stuib.o \
-				board-mop500-u8500uib.o \
 				board-mop500-pins.o \
 				board-mop500-audio.o
 obj-$(CONFIG_SMP)		+= platsmp.o headsmp.o
diff --git a/arch/arm/mach-ux500/board-mop500-u8500uib.c b/arch/arm/mach-ux500/board-mop500-u8500uib.c
deleted file mode 100644
index 43c9ff109d13..000000000000
--- a/arch/arm/mach-ux500/board-mop500-u8500uib.c
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * Board data for the U8500 UIB, also known as the New UIB
- * License terms: GNU General Public License (GPL), version 2
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include "board-mop500.h"
-
-void __init mop500_u8500uib_init(void)
-{
-}
diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c
index bdaa422da028..0e94f1dc7a6f 100644
--- a/arch/arm/mach-ux500/board-mop500-uib.c
+++ b/arch/arm/mach-ux500/board-mop500-uib.c
@@ -16,7 +16,6 @@
 
 enum mop500_uib {
 	STUIB,
-	U8500UIB,
 };
 
 struct uib {
@@ -31,11 +30,6 @@ static struct uib __initdata mop500_uibs[] = {
 		.option	= "stuib",
 		.init	= mop500_stuib_init,
 	},
-	[U8500UIB] = {
-		.name	= "U8500-UIB",
-		.option	= "u8500uib",
-		.init	= mop500_u8500uib_init,
-	},
 };
 
 static struct uib *mop500_uib;
@@ -93,14 +87,9 @@ static void __init __mop500_uib_init(struct uib *uib, const char *why)
 	uib->init();
 }
 
-/*
- * Detect the UIB attached based on the presence or absence of i2c devices.
- */
 int __init mop500_uib_init(void)
 {
 	struct uib *uib = mop500_uib;
-	struct i2c_adapter *i2c0;
-	int ret;
 
 	if (!cpu_is_u8500_family())
 		return -ENODEV;
@@ -110,24 +99,7 @@ int __init mop500_uib_init(void)
 		return 0;
 	}
 
-	i2c0 = i2c_get_adapter(0);
-	if (!i2c0) {
-		__mop500_uib_init(&mop500_uibs[STUIB],
-				"fallback, could not get i2c0");
-		return -ENODEV;
-	}
-
-	/* U8500-UIB has the TC35893 at 0x44 on I2C0, the ST-UIB doesn't. */
-	ret = i2c_smbus_xfer(i2c0, 0x44, 0, I2C_SMBUS_WRITE, 0,
-			I2C_SMBUS_QUICK, NULL);
-	i2c_put_adapter(i2c0);
-
-	if (ret == 0)
-		uib = &mop500_uibs[U8500UIB];
-	else
-		uib = &mop500_uibs[STUIB];
-
-	__mop500_uib_init(uib, "detected");
+	__mop500_uib_init(&mop500_uibs[STUIB], "detected");
 
 	return 0;
 }
diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h
index cf6b3047d34c..223639b50441 100644
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@@ -89,7 +89,6 @@ extern struct msp_i2s_platform_data msp2_platform_data;
 extern struct msp_i2s_platform_data msp3_platform_data;
 extern struct pl022_ssp_controller ssp0_plat;
 
-void __init mop500_u8500uib_init(void);
 void __init mop500_stuib_init(void);
 void __init mop500_pinmaps_init(void);
 void __init snowball_pinmaps_init(void);