Messages in this thread Patch in this message | | | From | Cristian Marussi <> | Subject | [PATCH v4 11/16] firmware: arm_scmi: Add is_scmi_protocol_device() | Date | Fri, 11 Jun 2021 17:59:32 +0100 |
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From: Peter Hilber <peter.hilber@opensynergy.com>
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(+)
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 7219970fc5eb..b783ae058c8a 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -264,6 +264,8 @@ 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); -- 2.17.1
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