linux-kernel - [char-misc-next 07/11] mei: bus: Implement bus driver data setter/getter

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Date:	Thu,  7 Feb 2013 23:03:13 +0200
From:	Tomas Winkler <tomas.winkler@...el.com>
To:	gregkh@...uxfoundation.org, sameo@...ux.intel.com
Cc:	arnd@...db.de, linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 07/11] mei: bus: Implement bus driver data setter/getter

From: Samuel Ortiz <sameo@...ux.intel.com>

MEI bus drivers should be able to carry their private data around.

Signed-off-by: Samuel Ortiz <sameo@...ux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/misc/mei/bus.c  |   12 ++++++++++++
 include/linux/mei_bus.h |    3 +++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 3f10d51..58032cf 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -448,6 +448,18 @@ int mei_bus_register_event_cb(struct mei_bus_client *client,
 }
 EXPORT_SYMBOL(mei_bus_register_event_cb);
 
+inline void *mei_bus_get_clientdata(const struct mei_bus_client *client)
+{
+	return dev_get_drvdata(&client->dev);
+}
+EXPORT_SYMBOL(mei_bus_get_clientdata);
+
+inline void mei_bus_set_clientdata(struct mei_bus_client *client, void *data)
+{
+	dev_set_drvdata(&client->dev, data);
+}
+EXPORT_SYMBOL(mei_bus_set_clientdata);
+
 void mei_bus_rx_event(struct mei_cl *cl)
 {
 	struct mei_bus_client *client = cl->client;
diff --git a/include/linux/mei_bus.h b/include/linux/mei_bus.h
index 241325f..0e8e4e9 100644
--- a/include/linux/mei_bus.h
+++ b/include/linux/mei_bus.h
@@ -102,4 +102,7 @@ typedef void (*mei_bus_event_cb_t)(struct mei_bus_client *client,
 int mei_bus_register_event_cb(struct mei_bus_client *client,
 			      mei_bus_event_cb_t read_cb, void *context);
 
+void *mei_bus_get_clientdata(const struct mei_bus_client *client);
+void mei_bus_set_clientdata(struct mei_bus_client *client, void *data);
+
 #endif /* _LINUX_MEI_BUS_H */
-- 
1.7.4.4

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