diff options
| author | Cristian Marussi <cristian.marussi@arm.com> | 2022-12-22 18:50:44 +0000 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2023-01-19 09:46:15 +0000 |
| commit | 53b8c25df7082edd78a3fc63e359abee0f28fa70 (patch) | |
| tree | 08dd92606f4dedd644d41be0983ff8ef8acdb46a /drivers/firmware/arm_scmi/common.h | |
| parent | 9115c20ac1ee9e92a3e751e352db818b7f95746a (diff) | |
firmware: arm_scmi: Add common notifier helpers
Add a pair of notifier chains and generic empty notifier callbacks.
Currently they are still unused but they will be used to act properly
on device request and creation events.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20221222185049.737625-5-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi/common.h')
| -rw-r--r-- | drivers/firmware/arm_scmi/common.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 6a38244494fd..7ddae90eb945 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -105,6 +105,11 @@ void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph, int __init scmi_bus_init(void); void __exit scmi_bus_exit(void); +extern struct bus_type scmi_bus_type; + +#define SCMI_BUS_NOTIFY_DEVICE_REQUEST 0 +#define SCMI_BUS_NOTIFY_DEVICE_UNREQUEST 1 +extern struct blocking_notifier_head scmi_requested_devices_nh; int scmi_protocol_acquire(const struct scmi_handle *handle, u8 protocol_id); void scmi_protocol_release(const struct scmi_handle *handle, u8 protocol_id); |