From 51fe1b154e2fe798b280ca199cb3f26f340c5dfd Mon Sep 17 00:00:00 2001 From: Cristian Marussi Date: Tue, 16 Mar 2021 12:48:57 +0000 Subject: [PATCH] firmware: arm_scmi: Cleanup legacy protocol init code Now that all protocols and drivers have been ported to the new interface based on protocol handles and get/put operations, remove all the legacy transient initialization code. Link: https://lore.kernel.org/r/20210316124903.35011-33-cristian.marussi@arm.com Tested-by: Florian Fainelli Signed-off-by: Cristian Marussi Signed-off-by: Sudeep Holla --- drivers/firmware/arm_scmi/bus.c | 26 +------------------------- drivers/firmware/arm_scmi/common.h | 5 +---- 2 files changed, 2 insertions(+), 29 deletions(-) diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c index 4e8f6ea..992d50e 100644 --- a/drivers/firmware/arm_scmi/bus.c +++ b/drivers/firmware/arm_scmi/bus.c @@ -66,27 +66,11 @@ const struct scmi_protocol *scmi_protocol_get(int protocol_id) return proto; } -static int scmi_protocol_init(int protocol_id, struct scmi_handle *handle) -{ - const struct scmi_protocol *proto; - - proto = scmi_protocol_get(protocol_id); - if (!proto) - return -EINVAL; - return proto->init(handle); -} - -static int scmi_protocol_dummy_init(struct scmi_handle *handle) -{ - return 0; -} - static int scmi_dev_probe(struct device *dev) { struct scmi_driver *scmi_drv = to_scmi_driver(dev->driver); struct scmi_device *scmi_dev = to_scmi_dev(dev); const struct scmi_device_id *id; - int ret; id = scmi_dev_match_id(scmi_dev, scmi_drv); if (!id) @@ -95,14 +79,6 @@ static int scmi_dev_probe(struct device *dev) if (!scmi_dev->handle) return -EPROBE_DEFER; - ret = scmi_protocol_init(scmi_dev->protocol_id, scmi_dev->handle); - if (ret) - return ret; - - /* Skip protocol initialisation for additional devices */ - idr_replace(&scmi_protocols, &scmi_protocol_dummy_init, - scmi_dev->protocol_id); - return scmi_drv->probe(scmi_dev); } @@ -219,7 +195,7 @@ int scmi_protocol_register(const struct scmi_protocol *proto) return -EINVAL; } - if (!proto->init && !proto->instance_init) { + if (!proto->instance_init) { pr_err("missing init for protocol 0x%x\n", proto->id); return -EINVAL; } diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index 988f806..378e9d7 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -224,14 +224,12 @@ int scmi_version_get(const struct scmi_handle *h, u8 protocol, u32 *version); void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph, u8 *prot_imp); -typedef int (*scmi_prot_init_fn_t)(struct scmi_handle *); typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *); /** * struct scmi_protocol - Protocol descriptor * @id: Protocol ID. - * @init: Mandatory protocol initialization function. - * @instance_init: Optional protocol instance initialization function. + * @instance_init: Mandatory protocol initialization function. * @instance_deinit: Optional protocol de-initialization function. * @ops: Optional reference to the operations provided by the protocol and * exposed in scmi_protocol.h. @@ -239,7 +237,6 @@ typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *); */ struct scmi_protocol { const u8 id; - const scmi_prot_init_fn_t init; const scmi_prot_init_ph_fn_t instance_init; const scmi_prot_init_ph_fn_t instance_deinit; const void *ops; -- 2.7.4