Power domain for the remote cores needs to be handled in a right sequence as mandated by the spec. Introduce tisci helper apis that can control power-domains of remote cores. TISCI clients can use this api and control the remote cores power domain instead of hooking it to power-domain layer.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- drivers/remoteproc/ti_sci_proc.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/drivers/remoteproc/ti_sci_proc.h b/drivers/remoteproc/ti_sci_proc.h index ccfc39ec88..f8299d1aff 100644 --- a/drivers/remoteproc/ti_sci_proc.h +++ b/drivers/remoteproc/ti_sci_proc.h @@ -19,12 +19,14 @@ * @proc_id: processor id for the consumer remoteproc device * @host_id: host id to pass the control over for this consumer remoteproc * device + * @dev_id: Device ID as identified by system controller. */ struct ti_sci_proc { const struct ti_sci_handle *sci; const struct ti_sci_proc_ops *ops; u8 proc_id; u8 host_id; + u16 dev_id; };
static inline int ti_sci_proc_request(struct ti_sci_proc *tsp) @@ -118,4 +120,29 @@ static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp, return ret; }
+static inline int ti_sci_proc_power_domain_on(struct ti_sci_proc *tsp) +{ + int ret; + + debug("%s: dev_id = %d\n", __func__, tsp->dev_id); + + ret = tsp->sci->ops.dev_ops.get_device_exclusive(tsp->sci, tsp->dev_id); + if (ret) + pr_err("Power-domain on failed for dev = %d\n", tsp->dev_id); + + return ret; +} + +static inline int ti_sci_proc_power_domain_off(struct ti_sci_proc *tsp) +{ + int ret; + + debug("%s: dev_id = %d\n", __func__, tsp->dev_id); + + ret = tsp->sci->ops.dev_ops.put_device(tsp->sci, tsp->dev_id); + if (ret) + pr_err("Power-domain off failed for dev = %d\n", tsp->dev_id); + + return ret; +} #endif /* REMOTEPROC_TI_SCI_PROC_H */