diff options
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/mlxreg.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h index 49f0e15a10dd..3122d550dc00 100644 --- a/include/linux/platform_data/mlxreg.h +++ b/include/linux/platform_data/mlxreg.h @@ -70,13 +70,30 @@ enum mlxreg_hotplug_device_action { }; /** + * struct mlxreg_core_hotplug_notifier - hotplug notifier block: + * + * @identity: notifier identity name; + * @handle: user handle to be passed by user handler function; + * @user_handler: user handler function associated with the event; + */ +struct mlxreg_core_hotplug_notifier { + char identity[MLXREG_CORE_LABEL_MAX_SIZE]; + void *handle; + int (*user_handler)(void *handle, enum mlxreg_hotplug_kind kind, u8 action); +}; + +/** * struct mlxreg_hotplug_device - I2C device data: * * @adapter: I2C device adapter; * @client: I2C device client; * @brdinfo: device board information; * @nr: I2C device adapter number, to which device is to be attached; + * @pdev: platform device, if device is instantiated as a platform device; * @action: action to be performed upon event receiving; + * @handle: user handle to be passed by user handler function; + * @user_handler: user handler function associated with the event; + * @notifier: pointer to event notifier block; * * Structure represents I2C hotplug device static data (board topology) and * dynamic data (related kernel objects handles). @@ -86,7 +103,11 @@ struct mlxreg_hotplug_device { struct i2c_client *client; struct i2c_board_info *brdinfo; int nr; + struct platform_device *pdev; enum mlxreg_hotplug_device_action action; + void *handle; + int (*user_handler)(void *handle, enum mlxreg_hotplug_kind kind, u8 action); + struct mlxreg_core_hotplug_notifier *notifier; }; /** @@ -104,10 +125,12 @@ struct mlxreg_hotplug_device { * @mode: access mode; * @np - pointer to node platform associated with attribute; * @hpdev - hotplug device data; + * @notifier: pointer to event notifier block; * @health_cntr: dynamic device health indication counter; * @attached: true if device has been attached after good health indication; * @regnum: number of registers occupied by multi-register attribute; * @slot: slot number, at which device is located; + * @secured: if set indicates that entry access is secured; */ struct mlxreg_core_data { char label[MLXREG_CORE_LABEL_MAX_SIZE]; @@ -122,6 +145,7 @@ struct mlxreg_core_data { umode_t mode; struct device_node *np; struct mlxreg_hotplug_device hpdev; + struct mlxreg_core_hotplug_notifier *notifier; u32 health_cntr; bool attached; u8 regnum; |