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authorTomas Winkler <tomas.winkler@intel.com>2015-07-23 15:08:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-04 03:21:59 +0300
commit512f64d9f7467597388ffbd5a21589ee3f375d8b (patch)
tree71e0a6bdbbcf80a602d69d11ecdbbec08ad78d16 /include/linux/mei_cl_bus.h
parentfeb8cd0fe7d63fd259c28f8a52fc88745717c9ec (diff)
downloadlinux-512f64d9f7467597388ffbd5a21589ee3f375d8b.tar.xz
mei: bus: add reference to bus device in struct mei_cl_client
Add reference to the bus device (mei_device) for easier access. To ensures that referencing cldev->bus is valid during cldev life time we increase the bus ref counter on a client device creation and drop it on the device release. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/mei_cl_bus.h')
-rw-r--r--include/linux/mei_cl_bus.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h
index a16b1f9c1aca..4c5c25b3222c 100644
--- a/include/linux/mei_cl_bus.h
+++ b/include/linux/mei_cl_bus.h
@@ -6,6 +6,7 @@
#include <linux/mod_devicetable.h>
struct mei_cl_device;
+struct mei_device;
typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
u32 events, void *context);
@@ -17,6 +18,7 @@ typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
* Drivers for MEI devices will get an mei_cl_device pointer
* when being probed and shall use it for doing ME bus I/O.
*
+ * @bus: parent mei device
* @dev: linux driver model device pointer
* @me_cl: me client
* @cl: mei client
@@ -29,6 +31,7 @@ typedef void (*mei_cl_event_cb_t)(struct mei_cl_device *device,
* @priv_data: client private data
*/
struct mei_cl_device {
+ struct mei_device *bus;
struct device dev;
struct mei_me_client *me_cl;