diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/scmi/scmi_agent-uclass.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/firmware/scmi/scmi_agent-uclass.c b/drivers/firmware/scmi/scmi_agent-uclass.c index f7fa5df214c..2b6211c4e6a 100644 --- a/drivers/firmware/scmi/scmi_agent-uclass.c +++ b/drivers/firmware/scmi/scmi_agent-uclass.c @@ -128,6 +128,23 @@ static const struct scmi_agent_ops *transport_dev_ops(struct udevice *dev) return (const struct scmi_agent_ops *)dev->driver->ops; } +int devm_scmi_of_get_channel(struct udevice *dev, struct scmi_channel **channel) +{ + struct udevice *parent; + + parent = find_scmi_transport_device(dev); + if (!parent) + return -ENODEV; + + if (transport_dev_ops(parent)->of_get_channel) + return transport_dev_ops(parent)->of_get_channel(dev, channel); + + /* Drivers without a get_channel operator don't need a channel ref */ + *channel = NULL; + + return 0; +} + int devm_scmi_process_msg(struct udevice *dev, struct scmi_channel *channel, struct scmi_msg *msg) { @@ -141,7 +158,7 @@ int devm_scmi_process_msg(struct udevice *dev, struct scmi_channel *channel, ops = transport_dev_ops(parent); if (ops->process_msg) - return ops->process_msg(parent, NULL, msg); + return ops->process_msg(parent, channel, msg); return -EPROTONOSUPPORT; } |