linux-kernel - [PATCH 2/7] i2c: add info->archdata field

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Message-ID: <20081016171253.GB5515@oksana.dev.rtsoft.ru>
Date:	Thu, 16 Oct 2008 21:12:53 +0400
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Brownell <dbrownell@...rs.sourceforge.net>,
	"Steven A. Falco" <sfalco@...ris.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Jean Delvare <khali@...ux-fr.org>,
	David Miller <davem@...emloft.net>, i2c@...sensors.org,
	linuxppc-dev@...abs.org
Subject: [PATCH 2/7] i2c: add info->archdata field

If present the info->archdata is copied into the dev->archdata.
Some (OpenFirmware) platforms need it.

Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>
---
 drivers/i2c/i2c-core.c |    3 +++
 include/linux/i2c.h    |    2 ++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 42e852d..5a485c2 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -266,6 +266,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 
 	client->dev.platform_data = info->platform_data;
 
+	if (info->archdata)
+		client->dev.archdata = *info->archdata;
+
 	client->flags = info->flags;
 	client->addr = info->addr;
 	client->irq = info->irq;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 0611512..3e358d3 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -240,6 +240,7 @@ static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
  * @flags: to initialize i2c_client.flags
  * @addr: stored in i2c_client.addr
  * @platform_data: stored in i2c_client.dev.platform_data
+ * @archdata: copied into i2c_client.dev.archdata
  * @irq: stored in i2c_client.irq
  *
  * I2C doesn't actually support hardware probing, although controllers and
@@ -259,6 +260,7 @@ struct i2c_board_info {
 	unsigned short	flags;
 	unsigned short	addr;
 	void		*platform_data;
+	struct dev_archdata	*archdata;
 	int		irq;
 };
 
-- 
1.5.6.3

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