diff options
Diffstat (limited to 'drivers/firmware/xilinx')
| -rw-r--r-- | drivers/firmware/xilinx/zynqmp.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index fbe8510f4927..af838b2dc327 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -1451,6 +1451,34 @@ int zynqmp_pm_get_node_status(const u32 node, u32 *const status, EXPORT_SYMBOL_GPL(zynqmp_pm_get_node_status); /** + * zynqmp_pm_get_rpu_node_status - PM call to request a RPU node's current power state + * @node: ID of the RPU component or sub-system in question + * @status: Current operating state of the requested RPU node. + * @requirements: Current requirements asserted on the RPU node. + * @usage: Usage information, used for RPU slave nodes only: + * PM_USAGE_NO_MASTER - No master is currently using + * the node + * PM_USAGE_CURRENT_MASTER - Only requesting master is + * currently using the node + * PM_USAGE_OTHER_MASTER - Only other masters are + * currently using the node + * PM_USAGE_BOTH_MASTERS - Both the current and at least + * one other master is currently + * using the node + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_get_rpu_node_status(const u32 node, u32 *const status, + u32 *const requirements, u32 *const usage) +{ + if (zynqmp_pm_feature(PM_GET_NODE_STATUS) < PM_API_VERSION_2) + return -EOPNOTSUPP; + + return zynqmp_pm_get_node_status(node, status, requirements, usage); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_get_rpu_node_status); + +/** * zynqmp_pm_force_pwrdwn - PM call to request for another PU or subsystem to * be powered down forcefully * @node: Node ID of the targeted PU or subsystem |