Export the root of the i2c bus so that PowerPC device tree code can iterate
over devices on the i2c bus.
Signed-off-by: Jon Smirl <[EMAIL PROTECTED]>
---
drivers/i2c/i2c-core.c | 3 ++-
include/linux/i2c.h | 3 +++
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index d0175f4..05866ef 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -208,7 +208,7 @@ static struct device_attribute i2c_dev_attrs[] = {
{ },
};
-static struct bus_type i2c_bus_type = {
+struct bus_type i2c_bus_type = {
.name = "i2c",
.dev_attrs = i2c_dev_attrs,
.match = i2c_device_match,
@@ -219,6 +219,7 @@ static struct bus_type i2c_bus_type = {
.suspend = i2c_device_suspend,
.resume = i2c_device_resume,
};
+EXPORT_SYMBOL_GPL(i2c_bus_type);
/**
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index fb9af6a..186b22d 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -92,6 +92,9 @@ extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client *
client,
extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
u8 command, u8 length,
const u8 *values);
+
+/* Base of the i2c bus */
+extern struct bus_type i2c_bus_type;
/*
* A driver is capable of handling one or more physical devices present on
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