diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/arm_scmi/common.h | 2 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/driver.c | 19 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 10e24ad43f0f..6a06adc73f20 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -215,6 +215,8 @@ struct scmi_xfer_ops { struct scmi_xfer *xfer); }; +struct scmi_revision_info * +scmi_revision_area_get(const struct scmi_protocol_handle *ph); int scmi_handle_put(const struct scmi_handle *handle); struct scmi_handle *scmi_handle_get(struct device *dev); void scmi_set_handle(struct scmi_device *scmi_dev); diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 8db450a0c294..fa83e1aec6d7 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -699,6 +699,25 @@ static const struct scmi_xfer_ops xfer_ops = { }; /** + * scmi_revision_area_get - Retrieve version memory area. + * + * @ph: A reference to the protocol handle. + * + * A helper to grab the version memory area reference during SCMI Base protocol + * initialization. + * + * Return: A reference to the version memory area associated to the SCMI + * instance underlying this protocol handle. + */ +struct scmi_revision_info * +scmi_revision_area_get(const struct scmi_protocol_handle *ph) +{ + const struct scmi_protocol_instance *pi = ph_to_pi(ph); + + return pi->handle->version; +} + +/** * scmi_alloc_init_protocol_instance - Allocate and initialize a protocol * instance descriptor. * @info: The reference to the related SCMI instance. |