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>

1 files changed, 1 insertions, 29 deletions

diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c
index bdaa422..0e94f1d 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;
 }