diff options
| -rw-r--r-- | drivers/firmware/arm_scmi/base.c | 11 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/clock.c | 24 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/driver.c | 98 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/perf.c | 59 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/pinctrl.c | 120 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/power.c | 18 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/powercap.c | 21 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/protocols.h | 9 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/reset.c | 68 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/sensors.c | 22 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/shmem.c | 5 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/system.c | 14 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c | 10 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/vendors/imx/imx-sm-cpu.c | 9 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c | 9 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c | 10 | ||||
| -rw-r--r-- | drivers/firmware/arm_scmi/voltage.c | 13 |
17 files changed, 238 insertions, 282 deletions
diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c index 86b376c50a13..22267bbd0f4d 100644 --- a/drivers/firmware/arm_scmi/base.c +++ b/drivers/firmware/arm_scmi/base.c @@ -375,18 +375,13 @@ static int scmi_base_protocol_init(const struct scmi_protocol_handle *ph) { int id, ret; u8 *prot_imp; - u32 version; char name[SCMI_SHORT_NAME_MAX_SIZE]; struct device *dev = ph->dev; struct scmi_revision_info *rev = scmi_revision_area_get(ph); - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - - rev->major_ver = PROTOCOL_REV_MAJOR(version); - rev->minor_ver = PROTOCOL_REV_MINOR(version); - ph->set_priv(ph, rev, version); + rev->major_ver = PROTOCOL_REV_MAJOR(ph->version); + rev->minor_ver = PROTOCOL_REV_MINOR(ph->version); + ph->set_priv(ph, rev); ret = scmi_base_attributes_get(ph); if (ret) diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index afa7981efe82..ab36871650a1 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -157,7 +157,6 @@ struct scmi_clock_rate_notify_payld { }; struct clock_info { - u32 version; int num_clocks; int max_async_req; bool notify_rate_changed_cmd; @@ -346,8 +345,7 @@ scmi_clock_get_permissions(const struct scmi_protocol_handle *ph, u32 clk_id, } static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, - u32 clk_id, struct clock_info *cinfo, - u32 version) + u32 clk_id, struct clock_info *cinfo) { int ret; u32 attributes; @@ -370,7 +368,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, attributes = le32_to_cpu(attr->attributes); strscpy(clk->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); /* clock_enable_latency field is present only since SCMI v3.1 */ - if (PROTOCOL_REV_MAJOR(version) >= 0x2) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2) latency = le32_to_cpu(attr->clock_enable_latency); clk->enable_latency = latency ? : U32_MAX; } @@ -381,7 +379,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, * If supported overwrite short name with the extended one; * on error just carry on and use already provided short name. */ - if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x2) { + if (!ret && PROTOCOL_REV_MAJOR(ph->version) >= 0x2) { if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, CLOCK_NAME_GET, clk_id, NULL, clk->name, @@ -393,7 +391,7 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, if (cinfo->notify_rate_change_requested_cmd && SUPPORTS_RATE_CHANGE_REQUESTED_NOTIF(attributes)) clk->rate_change_requested_notifications = true; - if (PROTOCOL_REV_MAJOR(version) >= 0x3) { + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3) { if (SUPPORTS_PARENT_CLOCK(attributes)) scmi_clock_possible_parents(ph, clk_id, clk); if (SUPPORTS_GET_PERMISSIONS(attributes)) @@ -1068,16 +1066,11 @@ static const struct scmi_protocol_events clk_protocol_events = { static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph) { - u32 version; int clkid, ret; struct clock_info *cinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Clock Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); cinfo = devm_kzalloc(ph->dev, sizeof(*cinfo), GFP_KERNEL); if (!cinfo) @@ -1095,12 +1088,12 @@ static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph) for (clkid = 0; clkid < cinfo->num_clocks; clkid++) { struct scmi_clock_info *clk = cinfo->clk + clkid; - ret = scmi_clock_attributes_get(ph, clkid, cinfo, version); + ret = scmi_clock_attributes_get(ph, clkid, cinfo); if (!ret) scmi_clock_describe_rates_get(ph, clkid, clk); } - if (PROTOCOL_REV_MAJOR(version) >= 0x3) { + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3) { cinfo->clock_config_set = scmi_clock_config_set_v2; cinfo->clock_config_get = scmi_clock_config_get_v2; } else { @@ -1108,8 +1101,7 @@ static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph) cinfo->clock_config_get = scmi_clock_config_get; } - cinfo->version = version; - return ph->set_priv(ph, cinfo, version); + return ph->set_priv(ph, cinfo); } static const struct scmi_protocol scmi_clock = { diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 5caa9191a8d1..3e76a3204ba4 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -1627,17 +1627,15 @@ static int version_get(const struct scmi_protocol_handle *ph, u32 *version) * * @ph: A reference to the protocol handle. * @priv: The private data to set. - * @version: The detected protocol version for the core to register. * * Return: 0 on Success */ static int scmi_set_protocol_priv(const struct scmi_protocol_handle *ph, - void *priv, u32 version) + void *priv) { struct scmi_protocol_instance *pi = ph_to_pi(ph); pi->priv = priv; - pi->version = version; return 0; } @@ -1657,7 +1655,6 @@ static void *scmi_get_protocol_priv(const struct scmi_protocol_handle *ph) } static const struct scmi_xfer_ops xfer_ops = { - .version_get = version_get, .xfer_get_init = xfer_get_init, .reset_rx_to_maxsz = reset_rx_to_maxsz, .do_xfer = do_xfer, @@ -2113,6 +2110,76 @@ static int scmi_protocol_version_negotiate(struct scmi_protocol_handle *ph) } /** + * scmi_protocol_version_initialize - Initialize protocol version + * @dev: A device reference. + * @pi: A reference to the protocol instance being initialized + * + * At first retrieve the newest protocol version supported by the platform for + * this specific protoocol. + * + * Negotiation is attempted only when the platform advertised a protocol + * version newer than the most recent version known to this agent, since + * backward compatibility is NOT assured in general between versions. + * + * Failing to negotiate a fallback version or to query supported version at + * all will result in an attempt to use the newest version known to this agent + * even though compatibility is NOT assured. + * + * Versions are defined as: + * + * pi->version: the version supported by the platform as returned by the query. + * pi->proto->supported_version: the newest version supported by this agent + * for this protocol. + * pi->negotiated_version: The version successfully negotiated with the platform. + * ph->version: The final version effectively chosen for this session. + */ +static void scmi_protocol_version_initialize(struct device *dev, + struct scmi_protocol_instance *pi) +{ + struct scmi_protocol_handle *ph = &pi->ph; + int ret; + + /* + * Query and store platform supported protocol version: this is usually + * the newest version the platfom can support. + */ + ret = version_get(ph, &pi->version); + if (ret) { + dev_warn(dev, + "Failed to query supported version for protocol 0x%X.\n", + pi->proto->id); + goto best_effort; + } + + /* Need to negotiate at all ? */ + if (pi->version <= pi->proto->supported_version) { + ph->version = pi->version; + return; + } + + /* Attempt negotiation */ + ret = scmi_protocol_version_negotiate(ph); + if (!ret) { + ph->version = pi->negotiated_version; + dev_info(dev, + "Protocol 0x%X successfully negotiated version 0x%X\n", + pi->proto->id, ph->version); + return; + } + + dev_warn(dev, + "Detected UNSUPPORTED higher version 0x%X for protocol 0x%X.\n", + pi->version, pi->proto->id); + +best_effort: + /* Fallback to use newest version known to this agent */ + ph->version = pi->proto->supported_version; + dev_warn(dev, + "Trying version 0x%X. Backward compatibility is NOT assured.\n", + ph->version); +} + +/** * scmi_alloc_init_protocol_instance - Allocate and initialize a protocol * instance descriptor. * @info: The reference to the related SCMI instance. @@ -2157,6 +2224,13 @@ scmi_alloc_init_protocol_instance(struct scmi_info *info, pi->ph.set_priv = scmi_set_protocol_priv; pi->ph.get_priv = scmi_get_protocol_priv; refcount_set(&pi->users, 1); + + /* + * Initialize effectively used protocol version performing any + * possibly needed negotiations. + */ + scmi_protocol_version_initialize(handle->dev, pi); + /* proto->init is assured NON NULL by scmi_protocol_register */ ret = pi->proto->instance_init(&pi->ph); if (ret) @@ -2184,22 +2258,6 @@ scmi_alloc_init_protocol_instance(struct scmi_info *info, devres_close_group(handle->dev, pi->gid); dev_dbg(handle->dev, "Initialized protocol: 0x%X\n", pi->proto->id); - if (pi->version > proto->supported_version) { - ret = scmi_protocol_version_negotiate(&pi->ph); - if (!ret) { - dev_info(handle->dev, - "Protocol 0x%X successfully negotiated version 0x%X\n", - proto->id, pi->negotiated_version); - } else { - dev_warn(handle->dev, - "Detected UNSUPPORTED higher version 0x%X for protocol 0x%X.\n", - pi->version, pi->proto->id); - dev_warn(handle->dev, - "Trying version 0x%X. Backward compatibility is NOT assured.\n", - pi->proto->supported_version); - } - } - return pi; clean: diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 683fd9b85c5c..4583d02bee1c 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -27,7 +27,7 @@ /* Updated only after ALL the mandatory features for that version are merged */ #define SCMI_PROTOCOL_SUPPORTED_VERSION 0x40000 -#define MAX_OPPS 32 +#define MAX_OPPS 64 enum scmi_performance_protocol_cmd { PERF_DOMAIN_ATTRIBUTES = 0x3, @@ -178,7 +178,6 @@ struct perf_dom_info { }) struct scmi_perf_info { - u32 version; u16 num_domains; enum scmi_power_scale power_scale; u64 stats_addr; @@ -215,7 +214,7 @@ static int scmi_perf_attributes_get(const struct scmi_protocol_handle *ph, if (POWER_SCALE_IN_MILLIWATT(flags)) pi->power_scale = SCMI_POWER_MILLIWATTS; - if (PROTOCOL_REV_MAJOR(pi->version) >= 0x3) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3) if (POWER_SCALE_IN_MICROWATT(flags)) pi->power_scale = SCMI_POWER_MICROWATTS; @@ -251,8 +250,7 @@ static void scmi_perf_xa_destroy(void *data) static int scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, struct perf_dom_info *dom_info, - bool notify_lim_cmd, bool notify_lvl_cmd, - u32 version) + bool notify_lim_cmd, bool notify_lvl_cmd) { int ret; u32 flags; @@ -280,7 +278,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->perf_level_notify = SUPPORTS_PERF_LEVEL_NOTIFY(flags); dom_info->perf_fastchannels = SUPPORTS_PERF_FASTCHANNELS(flags); - if (PROTOCOL_REV_MAJOR(version) >= 0x4) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x4) dom_info->level_indexing_mode = SUPPORTS_LEVEL_INDEXING(flags); dom_info->rate_limit_us = le32_to_cpu(attr->rate_limit_us) & @@ -323,7 +321,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, * If supported overwrite short name with the extended one; * on error just carry on and use already provided short name. */ - if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && + if (!ret && PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, PERF_DOMAIN_NAME_GET, dom_info->id, NULL, dom_info->info.name, @@ -345,19 +343,14 @@ static int opp_cmp_func(const void *opp1, const void *opp2) return t1->perf - t2->perf; } -struct scmi_perf_ipriv { - u32 version; - struct perf_dom_info *perf_dom; -}; - static void iter_perf_levels_prepare_message(void *message, unsigned int desc_index, const void *priv) { struct scmi_msg_perf_describe_levels *msg = message; - const struct scmi_perf_ipriv *p = priv; + const struct perf_dom_info *perf_dom = priv; - msg->domain = cpu_to_le32(p->perf_dom->id); + msg->domain = cpu_to_le32(perf_dom->id); /* Set the number of OPPs to be skipped/already read */ msg->level_index = cpu_to_le32(desc_index); } @@ -445,21 +438,21 @@ iter_perf_levels_process_response(const struct scmi_protocol_handle *ph, { int ret; struct scmi_opp *opp; - struct scmi_perf_ipriv *p = priv; + struct perf_dom_info *perf_dom = priv; - opp = &p->perf_dom->opp[p->perf_dom->opp_count]; - if (PROTOCOL_REV_MAJOR(p->version) <= 0x3) - ret = process_response_opp(ph->dev, p->perf_dom, opp, + opp = &perf_dom->opp[perf_dom->opp_count]; + if (PROTOCOL_REV_MAJOR(ph->version) <= 0x3) + ret = process_response_opp(ph->dev, perf_dom, opp, st->loop_idx, response); else - ret = process_response_opp_v4(ph->dev, p->perf_dom, opp, + ret = process_response_opp_v4(ph->dev, perf_dom, opp, st->loop_idx, response); /* Skip BAD duplicates received from firmware */ if (ret) return ret == -EBUSY ? 0 : ret; - p->perf_dom->opp_count++; + perf_dom->opp_count++; dev_dbg(ph->dev, "Level %d Power %d Latency %dus Ifreq %d Index %d\n", opp->perf, opp->power, opp->trans_latency_us, @@ -470,7 +463,7 @@ iter_perf_levels_process_response(const struct scmi_protocol_handle *ph, static int scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, - struct perf_dom_info *perf_dom, u32 version) + struct perf_dom_info *perf_dom) { int ret; void *iter; @@ -479,15 +472,11 @@ scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, .update_state = iter_perf_levels_update_state, .process_response = iter_perf_levels_process_response, }; - struct scmi_perf_ipriv ppriv = { - .version = version, - .perf_dom = perf_dom, - }; iter = ph->hops->iter_response_init(ph, &ops, MAX_OPPS, PERF_DESCRIBE_LEVELS, sizeof(struct scmi_msg_perf_describe_levels), - &ppriv); + perf_dom); if (IS_ERR(iter)) return PTR_ERR(iter); @@ -576,7 +565,6 @@ static int __scmi_perf_limits_set(const struct scmi_protocol_handle *ph, static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph, u32 domain, u32 max_perf, u32 min_perf) { - struct scmi_perf_info *pi = ph->get_priv(ph); struct perf_dom_info *dom; dom = scmi_perf_domain_lookup(ph, domain); @@ -586,7 +574,7 @@ static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph, if (!dom->set_limits) return -EOPNOTSUPP; - if (PROTOCOL_REV_MAJOR(pi->version) >= 0x3 && !max_perf && !min_perf) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && !max_perf && !min_perf) return -EINVAL; if (dom->level_indexing_mode) { @@ -1281,22 +1269,15 @@ static const struct scmi_protocol_events perf_protocol_events = { static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph) { int domain, ret; - u32 version; struct scmi_perf_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Performance Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) return -ENOMEM; - pinfo->version = version; - ret = scmi_perf_attributes_get(ph, pinfo); if (ret) return ret; @@ -1311,8 +1292,8 @@ static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph) dom->id = domain; scmi_perf_domain_attributes_get(ph, dom, pinfo->notify_lim_cmd, - pinfo->notify_lvl_cmd, version); - scmi_perf_describe_levels_get(ph, dom, version); + pinfo->notify_lvl_cmd); + scmi_perf_describe_levels_get(ph, dom); if (dom->perf_fastchannels) scmi_perf_domain_init_fc(ph, dom); @@ -1322,7 +1303,7 @@ static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph) if (ret) return ret; - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static const struct scmi_protocol scmi_perf = { diff --git a/drivers/firmware/arm_scmi/pinctrl.c b/drivers/firmware/arm_scmi/pinctrl.c index 3855c98caf06..a020e23d7c49 100644 --- a/drivers/firmware/arm_scmi/pinctrl.c +++ b/drivers/firmware/arm_scmi/pinctrl.c @@ -117,7 +117,6 @@ struct scmi_pin_info { }; struct scmi_pinctrl_info { - u32 version; int nr_groups; int nr_functions; int nr_pins; @@ -596,11 +595,19 @@ static int scmi_pinctrl_pin_free(const struct scmi_protocol_handle *ph, u32 pin) } static int scmi_pinctrl_get_group_info(const struct scmi_protocol_handle *ph, - u32 selector, - struct scmi_group_info *group) + u32 selector) { + struct scmi_pinctrl_info *pi = ph->get_priv(ph); + struct scmi_group_info *group; int ret; + if (selector >= pi->nr_groups) + return -EINVAL; + + group = &pi->groups[selector]; + if (group->present) + return 0; + ret = scmi_pinctrl_attributes(ph, GROUP_TYPE, selector, group->name, &group->nr_pins); if (ret) @@ -632,21 +639,14 @@ static int scmi_pinctrl_get_group_name(const struct scmi_protocol_handle *ph, u32 selector, const char **name) { struct scmi_pinctrl_info *pi = ph->get_priv(ph); + int ret; if (!name) return -EINVAL; - if (selector >= pi->nr_groups || pi->nr_groups == 0) - return -EINVAL; - - if (!pi->groups[selector].present) { - int ret; - - ret = scmi_pinctrl_get_group_info(ph, selector, - &pi->groups[selector]); - if (ret) - return ret; - } + ret = scmi_pinctrl_get_group_info(ph, selector); + if (ret) + return ret; *name = pi->groups[selector].name; @@ -658,21 +658,14 @@ static int scmi_pinctrl_group_pins_get(const struct scmi_protocol_handle *ph, u32 *nr_pins) { struct scmi_pinctrl_info *pi = ph->get_priv(ph); + int ret; if (!pins || !nr_pins) return -EINVAL; - if (selector >= pi->nr_groups || pi->nr_groups == 0) - return -EINVAL; - - if (!pi->groups[selector].present) { - int ret; - - ret = scmi_pinctrl_get_group_info(ph, selector, - &pi->groups[selector]); - if (ret) - return ret; - } + ret = scmi_pinctrl_get_group_info(ph, selector); + if (ret) + return ret; *pins = pi->groups[selector].group_pins; *nr_pins = pi->groups[selector].nr_pins; @@ -681,11 +674,19 @@ static int scmi_pinctrl_group_pins_get(const struct scmi_protocol_handle *ph, } static int scmi_pinctrl_get_function_info(const struct scmi_protocol_handle *ph, - u32 selector, - struct scmi_function_info *func) + u32 selector) { + struct scmi_pinctrl_info *pi = ph->get_priv(ph); + struct scmi_function_info *func; int ret; + if (selector >= pi->nr_functions) + return -EINVAL; + + func = &pi->functions[selector]; + if (func->present) + return 0; + ret = scmi_pinctrl_attributes(ph, FUNCTION_TYPE, selector, func->name, &func->nr_groups); if (ret) @@ -716,21 +717,14 @@ static int scmi_pinctrl_get_function_name(const struct scmi_protocol_handle *ph, u32 selector, const char **name) { struct scmi_pinctrl_info *pi = ph->get_priv(ph); + int ret; if (!name) return -EINVAL; - if (selector >= pi->nr_functions || pi->nr_functions == 0) - return -EINVAL; - - if (!pi->functions[selector].present) { - int ret; - - ret = scmi_pinctrl_get_function_info(ph, selector, - &pi->functions[selector]); - if (ret) - return ret; - } + ret = scmi_pinctrl_get_function_info(ph, selector); + if (ret) + return ret; *name = pi->functions[selector].name; return 0; @@ -742,21 +736,14 @@ scmi_pinctrl_function_groups_get(const struct scmi_protocol_handle *ph, const u32 **groups) { struct scmi_pinctrl_info *pi = ph->get_priv(ph); + int ret; if (!groups || !nr_groups) return -EINVAL; - if (selector >= pi->nr_functions || pi->nr_functions == 0) - return -EINVAL; - - if (!pi->functions[selector].present) { - int ret; - - ret = scmi_pinctrl_get_function_info(ph, selector, - &pi->functions[selector]); - if (ret) - return ret; - } + ret = scmi_pinctrl_get_function_info(ph, selector); + if (ret) + return ret; *groups = pi->functions[selector].groups; *nr_groups = pi->functions[selector].nr_groups; @@ -771,13 +758,19 @@ static int scmi_pinctrl_mux_set(const struct scmi_protocol_handle *ph, } static int scmi_pinctrl_get_pin_info(const struct scmi_protocol_handle *ph, - u32 selector, struct scmi_pin_info *pin) + u32 selector) { + struct scmi_pinctrl_info *pi = ph->get_priv(ph); + struct scmi_pin_info *pin; int ret; - if (!pin) + if (selector >= pi->nr_pins) return -EINVAL; + pin = &pi->pins[selector]; + if (pin->present) + return 0; + ret = scmi_pinctrl_attributes(ph, PIN_TYPE, selector, pin->name, NULL); if (ret) return ret; @@ -790,20 +783,14 @@ static int scmi_pinctrl_get_pin_name(const struct scmi_protocol_handle *ph, u32 selector, const char **name) { struct scmi_pinctrl_info *pi = ph->get_priv(ph); + int ret; if (!name) return -EINVAL; - if (selector >= pi->nr_pins) - return -EINVAL; - - if (!pi->pins[selector].present) { - int ret; - - ret = scmi_pinctrl_get_pin_info(ph, selector, &pi->pins[selector]); - if (ret) - return ret; - } + ret = scmi_pinctrl_get_pin_info(ph, selector); + if (ret) + return ret; *name = pi->pins[selector].name; @@ -843,15 +830,10 @@ static const struct scmi_pinctrl_proto_ops pinctrl_proto_ops = { static int scmi_pinctrl_protocol_init(const struct scmi_protocol_handle *ph) { int ret; - u32 version; struct scmi_pinctrl_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Pinctrl Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) @@ -876,9 +858,7 @@ static int scmi_pinctrl_protocol_init(const struct scmi_protocol_handle *ph) if (!pinfo->functions) return -ENOMEM; - pinfo->version = version; - - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static int scmi_pinctrl_protocol_deinit(const struct scmi_protocol_handle *ph) diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c index 59aa16444c64..bb5062ab8280 100644 --- a/drivers/firmware/arm_scmi/power.c +++ b/drivers/firmware/arm_scmi/power.c @@ -67,7 +67,6 @@ struct power_dom_info { }; struct scmi_power_info { - u32 version; bool notify_state_change_cmd; int num_domains; u64 stats_addr; @@ -109,7 +108,7 @@ static int scmi_power_attributes_get(const struct scmi_protocol_handle *ph, static int scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph, u32 domain, struct power_dom_info *dom_info, - u32 version, bool notify_state_change_cmd) + bool notify_state_change_cmd) { int ret; u32 flags; @@ -141,7 +140,7 @@ scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph, * If supported overwrite short name with the extended one; * on error just carry on and use already provided short name. */ - if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && + if (!ret && PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) { ph->hops->extended_name_get(ph, POWER_DOMAIN_NAME_GET, domain, NULL, dom_info->name, @@ -323,15 +322,10 @@ static const struct scmi_protocol_events power_protocol_events = { static int scmi_power_protocol_init(const struct scmi_protocol_handle *ph) { int domain, ret; - u32 version; struct scmi_power_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Power Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) @@ -349,13 +343,11 @@ static int scmi_power_protocol_init(const struct scmi_protocol_handle *ph) for (domain = 0; domain < pinfo->num_domains; domain++) { struct power_dom_info *dom = pinfo->dom_info + domain; - scmi_power_domain_attributes_get(ph, domain, dom, version, + scmi_power_domain_attributes_get(ph, domain, dom, pinfo->notify_state_change_cmd); } - pinfo->version = version; - - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static const struct scmi_protocol scmi_power = { diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c index 1fa79bba492e..ab9733f4458b 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -122,7 +122,6 @@ struct scmi_powercap_state { }; struct powercap_info { - u32 version; int num_domains; bool notify_cap_cmd; bool notify_measurements_cmd; @@ -434,7 +433,7 @@ static int __scmi_powercap_cap_set(const struct scmi_protocol_handle *ph, } /* Save the last explicitly set non-zero powercap value */ - if (PROTOCOL_REV_MAJOR(pi->version) >= 0x2 && !ret && power_cap) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2 && !ret && power_cap) pi->states[domain_id].last_pcap = power_cap; return ret; @@ -454,7 +453,7 @@ static int scmi_powercap_cap_set(const struct scmi_protocol_handle *ph, return -EINVAL; /* Just log the last set request if acting on a disabled domain */ - if (PROTOCOL_REV_MAJOR(pi->version) >= 0x2 && + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2 && !pi->states[domain_id].enabled) { pi->states[domain_id].last_pcap = power_cap; return 0; @@ -635,7 +634,7 @@ static int scmi_powercap_cap_enable_set(const struct scmi_protocol_handle *ph, u32 power_cap; struct powercap_info *pi = ph->get_priv(ph); - if (PROTOCOL_REV_MAJOR(pi->version) < 0x2) + if (PROTOCOL_REV_MAJOR(ph->version) < 0x2) return -EINVAL; if (enable == pi->states[domain_id].enabled) @@ -676,7 +675,7 @@ static int scmi_powercap_cap_enable_get(const struct scmi_protocol_handle *ph, struct powercap_info *pi = ph->get_priv(ph); *enable = true; - if (PROTOCOL_REV_MAJOR(pi->version) < 0x2) + if (PROTOCOL_REV_MAJOR(ph->version) < 0x2) return 0; /* @@ -961,15 +960,10 @@ static int scmi_powercap_protocol_init(const struct scmi_protocol_handle *ph) { int domain, ret; - u32 version; struct powercap_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Powercap Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) @@ -1006,7 +1000,7 @@ scmi_powercap_protocol_init(const struct scmi_protocol_handle *ph) &pinfo->powercaps[domain].fc_info); /* Grab initial state when disable is supported. */ - if (PROTOCOL_REV_MAJOR(version) >= 0x2) { + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2) { ret = __scmi_powercap_cap_get(ph, &pinfo->powercaps[domain], &pinfo->states[domain].last_pcap); @@ -1018,8 +1012,7 @@ scmi_powercap_protocol_init(const struct scmi_protocol_handle *ph) } } - pinfo->version = version; - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static const struct scmi_protocol scmi_powercap = { diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h index d62c4469d1fd..4c75970326e6 100644 --- a/drivers/firmware/arm_scmi/protocols.h +++ b/drivers/firmware/arm_scmi/protocols.h @@ -159,6 +159,9 @@ struct scmi_proto_helpers_ops; * struct scmi_protocol_handle - Reference to an initialized protocol instance * * @dev: A reference to the associated SCMI instance device (handle->dev). + * @version: The protocol version currently effectively in use by this + * initialized instance of the protocol as determined at the end of + * any possibly needed negotiations performed by the core. * @xops: A reference to a struct holding refs to the core xfer operations that * can be used by the protocol implementation to generate SCMI messages. * @set_priv: A method to set protocol private data for this instance. @@ -177,10 +180,10 @@ struct scmi_proto_helpers_ops; */ struct scmi_protocol_handle { struct device *dev; + unsigned int version; const struct scmi_xfer_ops *xops; const struct scmi_proto_helpers_ops *hops; - int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv, - u32 version); + int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv); void *(*get_priv)(const struct scmi_protocol_handle *ph); }; @@ -287,7 +290,6 @@ struct scmi_proto_helpers_ops { /** * struct scmi_xfer_ops - References to the core SCMI xfer operations. - * @version_get: Get this version protocol. * @xfer_get_init: Initialize one struct xfer if any xfer slot is free. * @reset_rx_to_maxsz: Reset rx size to max transport size. * @do_xfer: Do the SCMI transfer. @@ -300,7 +302,6 @@ struct scmi_proto_helpers_ops { * another protocol. */ struct scmi_xfer_ops { - int (*version_get)(const struct scmi_protocol_handle *ph, u32 *version); int (*xfer_get_init)(const struct scmi_protocol_handle *ph, u8 msg_id, size_t tx_size, size_t rx_size, struct scmi_xfer **p); diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c index 0aa82b96f41b..4bc5c24c2d72 100644 --- a/drivers/firmware/arm_scmi/reset.c +++ b/drivers/firmware/arm_scmi/reset.c @@ -65,7 +65,6 @@ struct reset_dom_info { }; struct scmi_reset_info { - u32 version; int num_domains; bool notify_reset_cmd; struct reset_dom_info *dom_info; @@ -98,10 +97,20 @@ static int scmi_reset_attributes_get(const struct scmi_protocol_handle *ph, return ret; } +static struct reset_dom_info * +scmi_reset_domain_lookup(const struct scmi_protocol_handle *ph, u32 domain) +{ + struct scmi_reset_info *pi = ph->get_priv(ph); + + if (domain >= pi->num_domains) + return ERR_PTR(-EINVAL); + + return pi->dom_info + domain; +} + static int scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph, - struct scmi_reset_info *pinfo, - u32 domain, u32 version) + struct scmi_reset_info *pinfo, u32 domain) { int ret; u32 attributes; @@ -137,7 +146,7 @@ scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph, * If supported overwrite short name with the extended one; * on error just carry on and use already provided short name. */ - if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && + if (!ret && PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, RESET_DOMAIN_NAME_GET, domain, NULL, dom_info->name, @@ -156,20 +165,25 @@ static int scmi_reset_num_domains_get(const struct scmi_protocol_handle *ph) static const char * scmi_reset_name_get(const struct scmi_protocol_handle *ph, u32 domain) { - struct scmi_reset_info *pi = ph->get_priv(ph); + struct reset_dom_info *dom_info; - struct reset_dom_info *dom = pi->dom_info + domain; + dom_info = scmi_reset_domain_lookup(ph, domain); + if (IS_ERR(dom_info)) + return "unknown"; - return dom->name; + return dom_info->name; } static int scmi_reset_latency_get(const struct scmi_protocol_handle *ph, u32 domain) { - struct scmi_reset_info *pi = ph->get_priv(ph); - struct reset_dom_info *dom = pi->dom_info + domain; + struct reset_dom_info *dom_info; - return dom->latency_us; + dom_info = scmi_reset_domain_lookup(ph, domain); + if (IS_ERR(dom_info)) + return PTR_ERR(dom_info); + + return dom_info->latency_us; } static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain, @@ -178,14 +192,13 @@ static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain, int ret; struct scmi_xfer *t; struct scmi_msg_reset_domain_reset *dom; - struct scmi_reset_info *pi = ph->get_priv(ph); - struct reset_dom_info *rdom; + struct reset_dom_info *dom_info; - if (domain >= pi->num_domains) - return -EINVAL; + dom_info = scmi_reset_domain_lookup(ph, domain); + if (IS_ERR(dom_info)) + return PTR_ERR(dom_info); - rdom = pi->dom_info + domain; - if (rdom->async_reset && flags & AUTONOMOUS_RESET) + if (dom_info->async_reset && flags & AUTONOMOUS_RESET) flags |= ASYNCHRONOUS_RESET; ret = ph->xops->xfer_get_init(ph, RESET, sizeof(*dom), 0, &t); @@ -238,15 +251,16 @@ static const struct scmi_reset_proto_ops reset_proto_ops = { static bool scmi_reset_notify_supported(const struct scmi_protocol_handle *ph, u8 evt_id, u32 src_id) { - struct reset_dom_info *dom; - struct scmi_reset_info *pi = ph->get_priv(ph); + struct reset_dom_info *dom_info; - if (evt_id != SCMI_EVENT_RESET_ISSUED || src_id >= pi->num_domains) + if (evt_id != SCMI_EVENT_RESET_ISSUED) return false; - dom = pi->dom_info + src_id; + dom_info = scmi_reset_domain_lookup(ph, src_id); + if (IS_ERR(dom_info)) + return false; - return dom->reset_notify; + return dom_info->reset_notify; } static int scmi_reset_notify(const struct scmi_protocol_handle *ph, @@ -340,15 +354,10 @@ static const struct scmi_protocol_events reset_protocol_events = { static int scmi_reset_protocol_init(const struct scmi_protocol_handle *ph) { int domain, ret; - u32 version; struct scmi_reset_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Reset Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) @@ -364,10 +373,9 @@ static int scmi_reset_protocol_init(const struct scmi_protocol_handle *ph) return -ENOMEM; for (domain = 0; domain < pinfo->num_domains; domain++) - scmi_reset_domain_attributes_get(ph, pinfo, domain, version); + scmi_reset_domain_attributes_get(ph, pinfo, domain); - pinfo->version = version; - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static const struct scmi_protocol scmi_reset = { diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c index 791efd0f82d7..882d55f987d2 100644 --- a/drivers/firmware/arm_scmi/sensors.c +++ b/drivers/firmware/arm_scmi/sensors.c @@ -214,7 +214,6 @@ struct scmi_sensor_update_notify_payld { }; struct sensors_info { - u32 version; bool notify_trip_point_cmd; bool notify_continuos_update_cmd; int num_sensors; @@ -524,8 +523,7 @@ scmi_sensor_axis_extended_names_get(const struct scmi_protocol_handle *ph, } static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, - struct scmi_sensor_info *s, - u32 version) + struct scmi_sensor_info *s) { int ret; void *iter; @@ -555,7 +553,7 @@ static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph, if (ret) return ret; - if (PROTOCOL_REV_MAJOR(version) >= 0x3 && + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && apriv.any_axes_support_extended_names) ret = scmi_sensor_axis_extended_names_get(ph, s); @@ -621,7 +619,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, s->type = SENSOR_TYPE(attrh); /* Use pre-allocated pool wherever possible */ s->intervals.desc = s->intervals.prealloc_pool; - if (si->version == SCMIv2_SENSOR_PROTOCOL) { + if (ph->version == SCMIv2_SENSOR_PROTOCOL) { s->intervals.segmented = false; s->intervals.count = 1; /* @@ -659,7 +657,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, * one; on error just carry on and use already provided * short name. */ - if (PROTOCOL_REV_MAJOR(si->version) >= 0x3 && + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(attrl)) ph->hops->extended_name_get(ph, SENSOR_NAME_GET, s->id, NULL, s->name, SCMI_MAX_STR_SIZE); @@ -683,7 +681,7 @@ iter_sens_descr_process_response(const struct scmi_protocol_handle *ph, } if (s->num_axis > 0) - ret = scmi_sensor_axis_description(ph, s, si->version); + ret = scmi_sensor_axis_description(ph, s); st->priv = ((u8 *)sdesc + dsize); @@ -1148,21 +1146,15 @@ static const struct scmi_protocol_events sensor_protocol_events = { static int scmi_sensors_protocol_init(const struct scmi_protocol_handle *ph) { - u32 version; int ret; struct sensors_info *sinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Sensor Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); sinfo = devm_kzalloc(ph->dev, sizeof(*sinfo), GFP_KERNEL); if (!sinfo) return -ENOMEM; - sinfo->version = version; ret = scmi_sensor_attributes_get(ph, sinfo); if (ret) @@ -1176,7 +1168,7 @@ static int scmi_sensors_protocol_init(const struct scmi_protocol_handle *ph) if (ret) return ret; - return ph->set_priv(ph, sinfo, version); + return ph->set_priv(ph, sinfo); } static const struct scmi_protocol scmi_sensors = { diff --git a/drivers/firmware/arm_scmi/shmem.c b/drivers/firmware/arm_scmi/shmem.c index 11c347bff766..dadb37557f8a 100644 --- a/drivers/firmware/arm_scmi/shmem.c +++ b/drivers/firmware/arm_scmi/shmem.c @@ -196,7 +196,6 @@ static void __iomem *shmem_setup_iomap(struct scmi_chan_info *cinfo, struct resource *res, struct scmi_shmem_io_ops **ops) { - struct device_node *shmem __free(device_node); const char *desc = tx ? "Tx" : "Rx"; int ret, idx = tx ? 0 : 1; struct device *cdev = cinfo->dev; @@ -205,7 +204,9 @@ static void __iomem *shmem_setup_iomap(struct scmi_chan_info *cinfo, void __iomem *addr; u32 reg_io_width; - shmem = of_parse_phandle(cdev->of_node, "shmem", idx); + struct device_node *shmem __free(device_node) = of_parse_phandle(cdev->of_node, + "shmem", idx); + if (!shmem) return IOMEM_ERR_PTR(-ENODEV); diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c index ec3d355d1772..0f51c36f6a9d 100644 --- a/drivers/firmware/arm_scmi/system.c +++ b/drivers/firmware/arm_scmi/system.c @@ -34,7 +34,6 @@ struct scmi_system_power_state_notifier_payld { }; struct scmi_system_info { - u32 version; bool graceful_timeout_supported; bool power_state_notify_cmd; }; @@ -141,29 +140,22 @@ static const struct scmi_protocol_events system_protocol_events = { static int scmi_system_protocol_init(const struct scmi_protocol_handle *ph) { - int ret; - u32 version; struct scmi_system_info *pinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "System Power Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL); if (!pinfo) return -ENOMEM; - pinfo->version = version; - if (PROTOCOL_REV_MAJOR(pinfo->version) >= 0x2) + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2) pinfo->graceful_timeout_supported = true; if (!ph->hops->protocol_msg_check(ph, SYSTEM_POWER_STATE_NOTIFY, NULL)) pinfo->power_state_notify_cmd = true; - return ph->set_priv(ph, pinfo, version); + return ph->set_priv(ph, pinfo); } static const struct scmi_protocol scmi_system = { diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c index aa176c1a5eef..33f9ebf6092b 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c @@ -48,7 +48,6 @@ enum scmi_imx_bbm_protocol_cmd { #define SCMI_IMX_BBM_EVENT_RTC_MASK GENMASK(31, 24) struct scmi_imx_bbm_info { - u32 version; int nr_rtc; int nr_gpr; }; @@ -345,16 +344,11 @@ static const struct scmi_imx_bbm_proto_ops scmi_imx_bbm_proto_ops = { static int scmi_imx_bbm_protocol_init(const struct scmi_protocol_handle *ph) { - u32 version; int ret; struct scmi_imx_bbm_info *binfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_info(ph->dev, "NXP SM BBM Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); binfo = devm_kzalloc(ph->dev, sizeof(*binfo), GFP_KERNEL); if (!binfo) @@ -364,7 +358,7 @@ static int scmi_imx_bbm_protocol_init(const struct scmi_protocol_handle *ph) if (ret) return ret; - return ph->set_priv(ph, binfo, version); + return ph->set_priv(ph, binfo); } static const struct scmi_protocol scmi_imx_bbm = { diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-cpu.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-cpu.c index 66f47f5371e5..753274af11d2 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-cpu.c +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-cpu.c @@ -233,15 +233,10 @@ static int scmi_imx_cpu_attributes_get(const struct scmi_protocol_handle *ph, static int scmi_imx_cpu_protocol_init(const struct scmi_protocol_handle *ph) { struct scmi_imx_cpu_info *info; - u32 version; int ret, i; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_info(ph->dev, "NXP SM CPU Protocol Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); info = devm_kzalloc(ph->dev, sizeof(*info), GFP_KERNEL); if (!info) @@ -257,7 +252,7 @@ static int scmi_imx_cpu_protocol_init(const struct scmi_protocol_handle *ph) return ret; } - return ph->set_priv(ph, info, version); + return ph->set_priv(ph, info); } static const struct scmi_protocol scmi_imx_cpu = { diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c index b519c67fe920..c56ae247774d 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-lmm.c @@ -226,15 +226,10 @@ static int scmi_imx_lmm_protocol_attributes_get(const struct scmi_protocol_handl static int scmi_imx_lmm_protocol_init(const struct scmi_protocol_handle *ph) { struct scmi_imx_lmm_priv *info; - u32 version; int ret; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_info(ph->dev, "NXP SM LMM Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); info = devm_kzalloc(ph->dev, sizeof(*info), GFP_KERNEL); if (!info) @@ -244,7 +239,7 @@ static int scmi_imx_lmm_protocol_init(const struct scmi_protocol_handle *ph) if (ret) return ret; - return ph->set_priv(ph, info, version); + return ph->set_priv(ph, info); } static const struct scmi_protocol scmi_imx_lmm = { diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c index 700a3f24f4ef..73d80f221b9d 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c +++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c @@ -32,7 +32,6 @@ enum scmi_imx_misc_protocol_cmd { }; struct scmi_imx_misc_info { - u32 version; u32 nr_dev_ctrl; u32 nr_brd_ctrl; u32 nr_reason; @@ -380,15 +379,10 @@ static const struct scmi_imx_misc_proto_ops scmi_imx_misc_proto_ops = { static int scmi_imx_misc_protocol_init(const struct scmi_protocol_handle *ph) { struct scmi_imx_misc_info *minfo; - u32 version; int ret; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_info(ph->dev, "NXP SM MISC Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); minfo = devm_kzalloc(ph->dev, sizeof(*minfo), GFP_KERNEL); if (!minfo) @@ -410,7 +404,7 @@ static int scmi_imx_misc_protocol_init(const struct scmi_protocol_handle *ph) if (ret && ret != -EOPNOTSUPP) return ret; - return ph->set_priv(ph, minfo, version); + return ph->set_priv(ph, minfo); } static const struct scmi_protocol scmi_imx_misc = { diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c index 17127880e10a..b9391c1ee8a0 100644 --- a/drivers/firmware/arm_scmi/voltage.c +++ b/drivers/firmware/arm_scmi/voltage.c @@ -66,7 +66,6 @@ struct scmi_resp_voltage_level_set_complete { }; struct voltage_info { - unsigned int version; unsigned int num_domains; struct scmi_voltage_info *domains; }; @@ -243,7 +242,7 @@ static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph, * If supported overwrite short name with the extended one; * on error just carry on and use already provided short name. */ - if (PROTOCOL_REV_MAJOR(vinfo->version) >= 0x2) { + if (PROTOCOL_REV_MAJOR(ph->version) >= 0x2) { if (SUPPORTS_EXTENDED_NAMES(attributes)) ph->hops->extended_name_get(ph, VOLTAGE_DOMAIN_NAME_GET, @@ -405,20 +404,14 @@ static const struct scmi_voltage_proto_ops voltage_proto_ops = { static int scmi_voltage_protocol_init(const struct scmi_protocol_handle *ph) { int ret; - u32 version; struct voltage_info *vinfo; - ret = ph->xops->version_get(ph, &version); - if (ret) - return ret; - dev_dbg(ph->dev, "Voltage Version %d.%d\n", - PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version)); + PROTOCOL_REV_MAJOR(ph->version), PROTOCOL_REV_MINOR(ph->version)); vinfo = devm_kzalloc(ph->dev, sizeof(*vinfo), GFP_KERNEL); if (!vinfo) return -ENOMEM; - vinfo->version = version; ret = scmi_protocol_attributes_get(ph, vinfo); if (ret) @@ -437,7 +430,7 @@ static int scmi_voltage_protocol_init(const struct scmi_protocol_handle *ph) dev_warn(ph->dev, "No Voltage domains found.\n"); } - return ph->set_priv(ph, vinfo, version); + return ph->set_priv(ph, vinfo); } static const struct scmi_protocol scmi_voltage = { |