From 9115c20ac1ee9e92a3e751e352db818b7f95746a Mon Sep 17 00:00:00 2001 From: Cristian Marussi Date: Thu, 22 Dec 2022 18:50:43 +0000 Subject: firmware: arm_scmi: Move protocol registration helpers Move protocol registration helpers and logic out of bus.c compilation unit into driver.c. No functional change. Signed-off-by: Cristian Marussi Link: https://lore.kernel.org/r/20221222185049.737625-4-cristian.marussi@arm.com Signed-off-by: Sudeep Holla --- drivers/firmware/arm_scmi/bus.c | 68 ----------------------------------------- 1 file changed, 68 deletions(-) (limited to 'drivers/firmware/arm_scmi/bus.c') diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 35bb70724d44..089957f5fb9b 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -16,8 +16,6 @@ #include "common.h" static DEFINE_IDA(scmi_bus_id); -static DEFINE_IDR(scmi_protocols); -static DEFINE_SPINLOCK(protocol_lock); static const struct scmi_device_id * scmi_dev_match_id(struct scmi_device *scmi_dev, struct scmi_driver *scmi_drv) @@ -76,30 +74,6 @@ struct scmi_device *scmi_child_dev_find(struct device *parent, return to_scmi_dev(dev); } -const struct scmi_protocol *scmi_protocol_get(int protocol_id) -{ - const struct scmi_protocol *proto; - - proto = idr_find(&scmi_protocols, protocol_id); - if (!proto || !try_module_get(proto->owner)) { - pr_warn("SCMI Protocol 0x%x not found!\n", protocol_id); - return NULL; - } - - pr_debug("Found SCMI Protocol 0x%x\n", protocol_id); - - return proto; -} - -void scmi_protocol_put(int protocol_id) -{ - const struct scmi_protocol *proto; - - proto = idr_find(&scmi_protocols, protocol_id); - if (proto) - module_put(proto->owner); -} - static int scmi_dev_probe(struct device *dev) { struct scmi_driver *scmi_drv = to_scmi_driver(dev->driver); @@ -232,48 +206,6 @@ void scmi_set_handle(struct scmi_device *scmi_dev) scmi_device_link_add(&scmi_dev->dev, scmi_dev->handle->dev); } -int scmi_protocol_register(const struct scmi_protocol *proto) -{ - int ret; - - if (!proto) { - pr_err("invalid protocol\n"); - return -EINVAL; - } - - if (!proto->instance_init) { - pr_err("missing init for protocol 0x%x\n", proto->id); - return -EINVAL; - } - - spin_lock(&protocol_lock); - ret = idr_alloc(&scmi_protocols, (void *)proto, - proto->id, proto->id + 1, GFP_ATOMIC); - spin_unlock(&protocol_lock); - if (ret != proto->id) { - pr_err("unable to allocate SCMI idr slot for 0x%x - err %d\n", - proto->id, ret); - return ret; - } - - pr_debug("Registered SCMI Protocol 0x%x\n", proto->id); - - return 0; -} -EXPORT_SYMBOL_GPL(scmi_protocol_register); - -void scmi_protocol_unregister(const struct scmi_protocol *proto) -{ - spin_lock(&protocol_lock); - idr_remove(&scmi_protocols, proto->id); - spin_unlock(&protocol_lock); - - pr_debug("Unregistered SCMI Protocol 0x%x\n", proto->id); - - return; -} -EXPORT_SYMBOL_GPL(scmi_protocol_unregister); - static int __scmi_devices_unregister(struct device *dev, void *data) { struct scmi_device *scmi_dev = to_scmi_dev(dev); -- cgit v1.2.3