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author | Tomas Winkler <tomas.winkler@intel.com> | 2015-09-10 10:18:03 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-20 19:31:09 -0700 |
commit | 01a14edeaf0456c28e2b9af3afdc0807ec6c20bd (patch) | |
tree | e0880d3a3dbc6996dc7aa27089574bfdd4a851a3 | |
parent | baeacd0376975bee0fdf6378e1c24587ab0b6ad4 (diff) | |
download | op-kernel-dev-01a14edeaf0456c28e2b9af3afdc0807ec6c20bd.zip op-kernel-dev-01a14edeaf0456c28e2b9af3afdc0807ec6c20bd.tar.gz |
mei: bus: export mei_cldev_enabled function
Let me client device driver query of the device is connected
and hence enabled.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/misc/mei/bus.c | 13 | ||||
-rw-r--r-- | include/linux/mei_cl_bus.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 53525ca..4edf71a 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -368,6 +368,19 @@ u8 mei_cldev_ver(const struct mei_cl_device *cldev) EXPORT_SYMBOL_GPL(mei_cldev_ver); /** + * mei_cldev_enabled - check whether the device is enabled + * + * @cldev: mei client device + * + * Return: true if me client is initialized and connected + */ +bool mei_cldev_enabled(struct mei_cl_device *cldev) +{ + return cldev->cl && mei_cl_is_connected(cldev->cl); +} +EXPORT_SYMBOL_GPL(mei_cldev_enabled); + +/** * mei_cl_enable_device - enable me client device * create connection with me client * diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h index 9834f83..30d1c8b 100644 --- a/include/linux/mei_cl_bus.h +++ b/include/linux/mei_cl_bus.h @@ -93,5 +93,6 @@ void mei_cl_set_drvdata(struct mei_cl_device *device, void *data); int mei_cl_enable_device(struct mei_cl_device *device); int mei_cl_disable_device(struct mei_cl_device *device); +bool mei_cldev_enabled(struct mei_cl_device *cldev); #endif /* _LINUX_MEI_CL_BUS_H */ |