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From: Jon Smirl <jonsmirl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Subject: [PATCH] Export the i2c_bus_type symbol, standalone V1
Date: Tue, 01 Jul 2008 14:20:36 -0400	[thread overview]
Message-ID: <20080701182036.14694.30720.stgit@terra> (raw)

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 <jonsmirl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---

 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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             reply	other threads:[~2008-07-01 18:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-01 18:20 Jon Smirl [this message]
2008-07-02 12:37 ` [PATCH] Export the i2c_bus_type symbol, standalone V1 Jean Delvare

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