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(146725694.box.freepro.com. [130.180.211.218]) by smtp.gmail.com with ESMTPSA id z1-20020a5d4c81000000b002bdd8f12effsm2443528wrs.30.2023.02.03.09.44.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Feb 2023 09:44:33 -0800 (PST) From: Daniel Lezcano To: rjw@rjwysocki.net Cc: daniel.lezcano@linaro.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org, "Rafael J. Wysocki" , Zhang Rui , Len Brown , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 01/11] thermal/acpi: Remove the intermediate acpi_thermal_trip structure Date: Fri, 3 Feb 2023 18:44:19 +0100 Message-Id: <20230203174429.3375691-2-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230203174429.3375691-1-daniel.lezcano@linaro.org> References: <20230203174429.3375691-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756832902080705220?= X-GMAIL-MSGID: =?utf-8?q?1756832902080705220?= The struct acpi_thermal_trips() contains the critical, hot, passive and active trip points structure. In order to use the generic thermal trips which is a simple array, let's move out those fields in the struct acpi_thermal instead of having them encapsulated in an intermediate structure. No functional changes, just simplification of code. Signed-off-by: Daniel Lezcano --- drivers/acpi/thermal.c | 197 +++++++++++++++++++++-------------------- 1 file changed, 100 insertions(+), 97 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 0b4b844f9d4c..0dbce190cacc 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -166,7 +166,10 @@ struct acpi_thermal { volatile u8 zombie; struct acpi_thermal_flags flags; struct acpi_thermal_state state; - struct acpi_thermal_trips trips; + struct acpi_thermal_critical critical; + struct acpi_thermal_hot hot; + struct acpi_thermal_passive passive; + struct acpi_thermal_active active[ACPI_THERMAL_MAX_ACTIVE]; struct acpi_handle_list devices; struct thermal_zone_device *thermal_zone; int kelvin_offset; /* in millidegrees */ @@ -271,7 +274,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) /* Critical Shutdown */ if (flag & ACPI_TRIPS_CRITICAL) { status = acpi_evaluate_integer(tz->device->handle, "_CRT", NULL, &tmp); - tz->trips.critical.temperature = tmp; + tz->critical.temperature = tmp; + /* * Treat freezing temperatures as invalid as well; some * BIOSes return really low values and cause reboots at startup. @@ -279,31 +283,32 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) * ... so lets discard those as invalid. */ if (ACPI_FAILURE(status)) { - tz->trips.critical.flags.valid = 0; + tz->critical.flags.valid = 0; acpi_handle_debug(tz->device->handle, "No critical threshold\n"); } else if (tmp <= 2732) { pr_info(FW_BUG "Invalid critical threshold (%llu)\n", tmp); - tz->trips.critical.flags.valid = 0; + tz->critical.flags.valid = 0; } else { - tz->trips.critical.flags.valid = 1; + tz->critical.flags.valid = 1; acpi_handle_debug(tz->device->handle, "Found critical threshold [%lu]\n", - tz->trips.critical.temperature); + tz->critical.temperature); } - if (tz->trips.critical.flags.valid) { + + if (tz->critical.flags.valid) { if (crt == -1) { - tz->trips.critical.flags.valid = 0; + tz->critical.flags.valid = 0; } else if (crt > 0) { unsigned long crt_k = celsius_to_deci_kelvin(crt); /* * Allow override critical threshold */ - if (crt_k > tz->trips.critical.temperature) + if (crt_k > tz->critical.temperature) pr_info("Critical threshold %d C\n", crt); - tz->trips.critical.temperature = crt_k; + tz->critical.temperature = crt_k; } } } @@ -312,22 +317,22 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) if (flag & ACPI_TRIPS_HOT) { status = acpi_evaluate_integer(tz->device->handle, "_HOT", NULL, &tmp); if (ACPI_FAILURE(status)) { - tz->trips.hot.flags.valid = 0; + tz->hot.flags.valid = 0; acpi_handle_debug(tz->device->handle, "No hot threshold\n"); } else { - tz->trips.hot.temperature = tmp; - tz->trips.hot.flags.valid = 1; + tz->hot.temperature = tmp; + tz->hot.flags.valid = 1; acpi_handle_debug(tz->device->handle, "Found hot threshold [%lu]\n", - tz->trips.hot.temperature); + tz->hot.temperature); } } /* Passive (optional) */ - if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) || + if (((flag & ACPI_TRIPS_PASSIVE) && tz->passive.flags.valid) || flag == ACPI_TRIPS_INIT) { - valid = tz->trips.passive.flags.valid; + valid = tz->passive.flags.valid; if (psv == -1) { status = AE_SUPPORT; } else if (psv > 0) { @@ -339,72 +344,70 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) } if (ACPI_FAILURE(status)) { - tz->trips.passive.flags.valid = 0; + tz->passive.flags.valid = 0; } else { - tz->trips.passive.temperature = tmp; - tz->trips.passive.flags.valid = 1; + tz->passive.temperature = tmp; + tz->passive.flags.valid = 1; if (flag == ACPI_TRIPS_INIT) { status = acpi_evaluate_integer(tz->device->handle, "_TC1", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->trips.passive.flags.valid = 0; + tz->passive.flags.valid = 0; else - tz->trips.passive.tc1 = tmp; - + tz->passive.tc1 = tmp; status = acpi_evaluate_integer(tz->device->handle, "_TC2", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->trips.passive.flags.valid = 0; + tz->passive.flags.valid = 0; else - tz->trips.passive.tc2 = tmp; - + tz->passive.tc2 = tmp; status = acpi_evaluate_integer(tz->device->handle, "_TSP", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->trips.passive.flags.valid = 0; + tz->passive.flags.valid = 0; else - tz->trips.passive.tsp = tmp; + tz->passive.tsp = tmp; } } } - if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.passive.flags.valid) { + if ((flag & ACPI_TRIPS_DEVICES) && tz->passive.flags.valid) { memset(&devices, 0, sizeof(struct acpi_handle_list)); status = acpi_evaluate_reference(tz->device->handle, "_PSL", NULL, &devices); if (ACPI_FAILURE(status)) { acpi_handle_info(tz->device->handle, "Invalid passive threshold\n"); - tz->trips.passive.flags.valid = 0; + tz->passive.flags.valid = 0; } else { - tz->trips.passive.flags.valid = 1; + tz->passive.flags.valid = 1; } - if (memcmp(&tz->trips.passive.devices, &devices, + if (memcmp(&tz->passive.devices, &devices, sizeof(struct acpi_handle_list))) { - memcpy(&tz->trips.passive.devices, &devices, + memcpy(&tz->passive.devices, &devices, sizeof(struct acpi_handle_list)); ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device"); } } if ((flag & ACPI_TRIPS_PASSIVE) || (flag & ACPI_TRIPS_DEVICES)) { - if (valid != tz->trips.passive.flags.valid) + if (valid != tz->passive.flags.valid) ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state"); } /* Active (optional) */ for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { char name[5] = { '_', 'A', 'C', ('0' + i), '\0' }; - valid = tz->trips.active[i].flags.valid; + valid = tz->active[i].flags.valid; if (act == -1) break; /* disable all active trip points */ if (flag == ACPI_TRIPS_INIT || ((flag & ACPI_TRIPS_ACTIVE) && - tz->trips.active[i].flags.valid)) { + tz->active[i].flags.valid)) { status = acpi_evaluate_integer(tz->device->handle, name, NULL, &tmp); if (ACPI_FAILURE(status)) { - tz->trips.active[i].flags.valid = 0; + tz->active[i].flags.valid = 0; if (i == 0) break; @@ -412,50 +415,50 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) break; if (i == 1) - tz->trips.active[0].temperature = celsius_to_deci_kelvin(act); + tz->active[0].temperature = celsius_to_deci_kelvin(act); else /* * Don't allow override higher than * the next higher trip point */ - tz->trips.active[i-1].temperature = - (tz->trips.active[i-2].temperature < + tz->active[i - 1].temperature = + (tz->active[i - 2].temperature < celsius_to_deci_kelvin(act) ? - tz->trips.active[i-2].temperature : + tz->active[i - 2].temperature : celsius_to_deci_kelvin(act)); break; } else { - tz->trips.active[i].temperature = tmp; - tz->trips.active[i].flags.valid = 1; + tz->active[i].temperature = tmp; + tz->active[i].flags.valid = 1; } } name[2] = 'L'; - if ((flag & ACPI_TRIPS_DEVICES) && tz->trips.active[i].flags.valid) { + if ((flag & ACPI_TRIPS_DEVICES) && tz->active[i].flags.valid ) { memset(&devices, 0, sizeof(struct acpi_handle_list)); status = acpi_evaluate_reference(tz->device->handle, name, NULL, &devices); if (ACPI_FAILURE(status)) { acpi_handle_info(tz->device->handle, "Invalid active%d threshold\n", i); - tz->trips.active[i].flags.valid = 0; + tz->active[i].flags.valid = 0; } else { - tz->trips.active[i].flags.valid = 1; + tz->active[i].flags.valid = 1; } - if (memcmp(&tz->trips.active[i].devices, &devices, + if (memcmp(&tz->active[i].devices, &devices, sizeof(struct acpi_handle_list))) { - memcpy(&tz->trips.active[i].devices, &devices, + memcpy(&tz->active[i].devices, &devices, sizeof(struct acpi_handle_list)); ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device"); } } if ((flag & ACPI_TRIPS_ACTIVE) || (flag & ACPI_TRIPS_DEVICES)) - if (valid != tz->trips.active[i].flags.valid) + if (valid != tz->active[i].flags.valid) ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state"); - if (!tz->trips.active[i].flags.valid) + if (!tz->active[i].flags.valid) break; } @@ -480,12 +483,12 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) if (ret) return ret; - valid = tz->trips.critical.flags.valid | - tz->trips.hot.flags.valid | - tz->trips.passive.flags.valid; + valid = tz->critical.flags.valid | + tz->hot.flags.valid | + tz->passive.flags.valid; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) - valid |= tz->trips.active[i].flags.valid; + valid |= tz->active[i].flags.valid; if (!valid) { pr_warn(FW_BUG "No valid trip found\n"); @@ -522,7 +525,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, if (!tz || trip < 0) return -EINVAL; - if (tz->trips.critical.flags.valid) { + if (tz->critical.flags.valid) { if (!trip) { *type = THERMAL_TRIP_CRITICAL; return 0; @@ -530,7 +533,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, trip--; } - if (tz->trips.hot.flags.valid) { + if (tz->hot.flags.valid) { if (!trip) { *type = THERMAL_TRIP_HOT; return 0; @@ -538,7 +541,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, trip--; } - if (tz->trips.passive.flags.valid) { + if (tz->passive.flags.valid) { if (!trip) { *type = THERMAL_TRIP_PASSIVE; return 0; @@ -546,7 +549,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, trip--; } - for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++) { + for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->active[i].flags.valid; i++) { if (!trip) { *type = THERMAL_TRIP_ACTIVE; return 0; @@ -566,30 +569,30 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (!tz || trip < 0) return -EINVAL; - if (tz->trips.critical.flags.valid) { + if (tz->critical.flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->trips.critical.temperature, + tz->critical.temperature, tz->kelvin_offset); return 0; } trip--; } - if (tz->trips.hot.flags.valid) { + if (tz->hot.flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->trips.hot.temperature, + tz->hot.temperature, tz->kelvin_offset); return 0; } trip--; } - if (tz->trips.passive.flags.valid) { + if (tz->passive.flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->trips.passive.temperature, + tz->passive.temperature, tz->kelvin_offset); return 0; } @@ -597,10 +600,10 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, } for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && - tz->trips.active[i].flags.valid; i++) { + tz->active[i].flags.valid; i++) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->trips.active[i].temperature, + tz->active[i].temperature, tz->kelvin_offset); return 0; } @@ -615,9 +618,9 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal, { struct acpi_thermal *tz = thermal->devdata; - if (tz->trips.critical.flags.valid) { + if (tz->critical.flags.valid) { *temperature = deci_kelvin_to_millicelsius_with_offset( - tz->trips.critical.temperature, + tz->critical.temperature, tz->kelvin_offset); return 0; } @@ -655,8 +658,8 @@ static int thermal_get_trend(struct thermal_zone_device *thermal, * tz->temperature has already been updated by generic thermal layer, * before this callback being invoked */ - i = tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature) + - tz->trips.passive.tc2 * (tz->temperature - tz->trips.passive.temperature); + i = (tz->passive.tc1 * (tz->temperature - tz->last_temperature)) + + (tz->passive.tc2 * (tz->temperature - tz->passive.temperature)); if (i > 0) *trend = THERMAL_TREND_RAISING; @@ -701,16 +704,16 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, int trip = -1; int result = 0; - if (tz->trips.critical.flags.valid) + if (tz->critical.flags.valid) trip++; - if (tz->trips.hot.flags.valid) + if (tz->hot.flags.valid) trip++; - if (tz->trips.passive.flags.valid) { + if (tz->passive.flags.valid) { trip++; - for (i = 0; i < tz->trips.passive.devices.count; i++) { - handle = tz->trips.passive.devices.handles[i]; + for (i = 0; i < tz->passive.devices.count; i++) { + handle = tz->passive.devices.handles[i]; dev = acpi_fetch_acpi_dev(handle); if (dev != device) continue; @@ -732,12 +735,12 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, } for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - if (!tz->trips.active[i].flags.valid) + if (!tz->active[i].flags.valid) break; trip++; - for (j = 0; j < tz->trips.active[i].devices.count; j++) { - handle = tz->trips.active[i].devices.handles[j]; + for (j = 0; j < tz->active[i].devices.count; j++) { + handle = tz->active[i].devices.handles[j]; dev = acpi_fetch_acpi_dev(handle); if (dev != device) continue; @@ -794,28 +797,29 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) acpi_status status; int i; - if (tz->trips.critical.flags.valid) + if (tz->critical.flags.valid) trips++; - if (tz->trips.hot.flags.valid) + if (tz->hot.flags.valid) trips++; - if (tz->trips.passive.flags.valid) + if (tz->passive.flags.valid) trips++; - for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; + for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->active[i].flags.valid; i++, trips++); - if (tz->trips.passive.flags.valid) - tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz, - &acpi_thermal_zone_ops, NULL, - tz->trips.passive.tsp * 100, - tz->polling_frequency * 100); + if (tz->passive.flags.valid) + tz->thermal_zone = + thermal_zone_device_register("acpitz", trips, 0, tz, + &acpi_thermal_zone_ops, NULL, + tz->passive.tsp*100, + tz->polling_frequency*100); else tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz, - &acpi_thermal_zone_ops, NULL, - 0, tz->polling_frequency * 100); + &acpi_thermal_zone_ops, NULL, + 0, tz->polling_frequency * 100); if (IS_ERR(tz->thermal_zone)) return -ENODEV; @@ -985,8 +989,8 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz) */ static void acpi_thermal_guess_offset(struct acpi_thermal *tz) { - if (tz->trips.critical.flags.valid && - (tz->trips.critical.temperature % 5) == 1) + if (tz->critical.flags.valid && + (tz->critical.temperature % 5) == 1) tz->kelvin_offset = 273100; else tz->kelvin_offset = 273200; @@ -1094,20 +1098,19 @@ static int acpi_thermal_resume(struct device *dev) return -EINVAL; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - if (!tz->trips.active[i].flags.valid) + if (!tz->active[i].flags.valid) break; - - tz->trips.active[i].flags.enabled = 1; - for (j = 0; j < tz->trips.active[i].devices.count; j++) { + tz->active[i].flags.enabled = 1; + for (j = 0; j < tz->active[i].devices.count; j++) { result = acpi_bus_update_power( - tz->trips.active[i].devices.handles[j], + tz->active[i].devices.handles[j], &power_state); if (result || (power_state != ACPI_STATE_D0)) { - tz->trips.active[i].flags.enabled = 0; + tz->active[i].flags.enabled = 0; break; } } - tz->state.active |= tz->trips.active[i].flags.enabled; + tz->state.active |= tz->active[i].flags.enabled; } acpi_queue_thermal_check(tz);