| Message ID | 20210511002040.802226-7-peter.hilber@opensynergy.com |
|---|---|
| State | New |
| Headers | show |
| Series | [RFC,v3,01/12] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional | expand |
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 784cf0027da3..06148e972d1a 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -134,6 +134,11 @@ static struct bus_type scmi_bus_type = { .remove = scmi_dev_remove, }; +bool is_scmi_protocol_device(struct device *dev) +{ + return dev->bus == &scmi_bus_type; +} + int scmi_driver_register(struct scmi_driver *driver, struct module *owner, const char *mod_name) { diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 61b22cdeaeeb..9488c682a51d 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -231,6 +231,8 @@ struct scmi_protocol { const struct scmi_protocol_events *events; }; +bool is_scmi_protocol_device(struct device *dev); + int __init scmi_bus_init(void); void __exit scmi_bus_exit(void);
The scmi-virtio transport driver will need to distinguish SCMI protocol devices from the SCMI instance device in the chan_setup() and chan_free() ops. Add this internal helper to be able to distinguish the two. Signed-off-by: Peter Hilber <peter.hilber@opensynergy.com> --- drivers/firmware/arm_scmi/bus.c | 5 +++++ drivers/firmware/arm_scmi/common.h | 2 ++ 2 files changed, 7 insertions(+)