Messages in this thread Patch in this message | | | From | Tomas Winkler <> | Subject | [char-misc-next 5/8] mei: bus: export mei_cldev_enabled function | Date | Thu, 10 Sep 2015 10:18:03 +0300 |
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Let me client device driver query of the device is connected and hence enabled.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> --- drivers/misc/mei/bus.c | 13 +++++++++++++ include/linux/mei_cl_bus.h | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 53525ca50337..4edf71acfed6 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 9834f832b098..30d1c8b94a27 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 */ -- 2.4.3
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