3 files changed, 9 insertions, 10 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 3e3b680..b51a402 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -23,17 +23,14 @@ config I2C
 	  This I2C support can also be built as a module.  If so, the module
 	  will be called i2c-core.
 
-config I2C_ACPI
-	bool "I2C ACPI support"
-	select I2C
-	depends on ACPI
+config ACPI_I2C_OPREGION
+	bool "ACPI I2C Operation region support"
+	depends on I2C=y && ACPI
 	default y
 	help
-	  Say Y here if you want to enable ACPI I2C support. This includes support
-	  for automatic enumeration of I2C slave devices and support for ACPI I2C
-	  Operation Regions. Operation Regions allow firmware (BIOS) code to
-	  access I2C slave devices, such as smart batteries through an I2C host
-	  controller driver.
+	  Say Y here if you want to enable ACPI I2C operation region support.
+	  Operation Regions allow firmware (BIOS) code to access I2C slave devices,
+	  such as smart batteries through an I2C host controller driver.
 
 if I2C
 
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index a1f590c..e0228b2 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -3,7 +3,7 @@
 #
 
 i2ccore-y := i2c-core.o
-i2ccore-$(CONFIG_I2C_ACPI)	+= i2c-acpi.o
+i2ccore-$(CONFIG_ACPI)	 	+= i2c-acpi.o
 
 obj-$(CONFIG_I2C_BOARDINFO)	+= i2c-boardinfo.o
 obj-$(CONFIG_I2C)		+= i2ccore.o
diff --git a/drivers/i2c/i2c-acpi.c b/drivers/i2c/i2c-acpi.c
index e8b6196..0dbc18c 100644
--- a/drivers/i2c/i2c-acpi.c
+++ b/drivers/i2c/i2c-acpi.c
@@ -126,6 +126,7 @@ void acpi_i2c_register_devices(struct i2c_adapter *adap)
 		dev_warn(&adap->dev, "failed to enumerate I2C slaves\n");
 }
 
+#ifdef CONFIG_ACPI_I2C_OPREGION
 static int acpi_gsb_i2c_read_bytes(struct i2c_client *client,
 		u8 cmd, u8 *data, u8 data_len)
 {
@@ -360,3 +361,4 @@ void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
 
 	acpi_bus_detach_private_data(handle);
 }
+#endif