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(146725694.box.freepro.com. [130.180.211.218]) by smtp.gmail.com with ESMTPSA id z1-20020a5d4c81000000b002bdd8f12effsm2443528wrs.30.2023.02.03.09.44.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Feb 2023 09:44:35 -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 03/11] thermal/acpi: Convert the acpi thermal trips to an array Date: Fri, 3 Feb 2023 18:44:21 +0100 Message-Id: <20230203174429.3375691-4-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?1756832971496047036?= X-GMAIL-MSGID: =?utf-8?q?1756832971496047036?= Instead of having multiple trip points in the structure fields for each trip type, let's create an array of trip points. No functional changes. Signed-off-by: Daniel Lezcano --- drivers/acpi/thermal.c | 130 ++++++++++++++++++++++------------------- 1 file changed, 69 insertions(+), 61 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index e27b0b71fcf8..6b07de78c4c6 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -104,6 +104,15 @@ static struct acpi_driver acpi_thermal_driver = { .drv.pm = &acpi_thermal_pm, }; +enum { + ACPI_THERMAL_TRIP_CRITICAL, + ACPI_THERMAL_TRIP_HOT, + ACPI_THERMAL_TRIP_PASSIVE, + ACPI_THERMAL_TRIP_ACTIVE +}; + +#define ACPI_THERMAL_TRIP_MAX (ACPI_THERMAL_TRIP_ACTIVE + ACPI_THERMAL_MAX_ACTIVE) + struct acpi_thermal_state { u8 critical:1; u8 hot:1; @@ -143,9 +152,7 @@ struct acpi_thermal { volatile u8 zombie; struct acpi_thermal_flags flags; struct acpi_thermal_state state; - struct acpi_thermal_trip critical; - struct acpi_thermal_trip hot; - struct acpi_thermal_trip passive; + struct acpi_thermal_trip trips[ACPI_THERMAL_TRIP_MAX]; struct acpi_thermal_trip active[ACPI_THERMAL_MAX_ACTIVE]; struct acpi_handle_list devices; struct thermal_zone_device *thermal_zone; @@ -251,7 +258,7 @@ 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->critical.temperature = tmp; + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature = tmp; /* * Treat freezing temperatures as invalid as well; some @@ -260,32 +267,32 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) * ... so lets discard those as invalid. */ if (ACPI_FAILURE(status)) { - tz->critical.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_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->critical.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid = 0; } else { - tz->critical.flags.valid = 1; + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid = 1; acpi_handle_debug(tz->device->handle, "Found critical threshold [%lu]\n", - tz->critical.temperature); + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature); } - if (tz->critical.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) { if (crt == -1) { - tz->critical.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_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->critical.temperature) + if (crt_k > tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature) pr_info("Critical threshold %d C\n", crt); - tz->critical.temperature = crt_k; + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature = crt_k; } } } @@ -294,22 +301,22 @@ 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->hot.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid = 0; acpi_handle_debug(tz->device->handle, "No hot threshold\n"); } else { - tz->hot.temperature = tmp; - tz->hot.flags.valid = 1; + tz->trips[ACPI_THERMAL_TRIP_HOT].temperature = tmp; + tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid = 1; acpi_handle_debug(tz->device->handle, "Found hot threshold [%lu]\n", - tz->hot.temperature); + tz->trips[ACPI_THERMAL_TRIP_HOT].temperature); } } /* Passive (optional) */ - if (((flag & ACPI_TRIPS_PASSIVE) && tz->passive.flags.valid) || + if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) || flag == ACPI_TRIPS_INIT) { - valid = tz->passive.flags.valid; + valid = tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid; if (psv == -1) { status = AE_SUPPORT; } else if (psv > 0) { @@ -321,53 +328,53 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag) } if (ACPI_FAILURE(status)) { - tz->passive.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 0; } else { - tz->passive.temperature = tmp; - tz->passive.flags.valid = 1; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].temperature = tmp; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 1; if (flag == ACPI_TRIPS_INIT) { status = acpi_evaluate_integer(tz->device->handle, "_TC1", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->passive.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 0; else - tz->passive.tc1 = tmp; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tc1 = tmp; status = acpi_evaluate_integer(tz->device->handle, "_TC2", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->passive.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 0; else - tz->passive.tc2 = tmp; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tc2 = tmp; status = acpi_evaluate_integer(tz->device->handle, "_TSP", NULL, &tmp); if (ACPI_FAILURE(status)) - tz->passive.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 0; else - tz->passive.tsp = tmp; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tsp = tmp; } } } - if ((flag & ACPI_TRIPS_DEVICES) && tz->passive.flags.valid) { + if ((flag & ACPI_TRIPS_DEVICES) && tz->trips[ACPI_THERMAL_TRIP_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->passive.flags.valid = 0; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 0; } else { - tz->passive.flags.valid = 1; + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid = 1; } - if (memcmp(&tz->passive.devices, &devices, + if (memcmp(&tz->trips[ACPI_THERMAL_TRIP_PASSIVE].devices, &devices, sizeof(struct acpi_handle_list))) { - memcpy(&tz->passive.devices, &devices, + memcpy(&tz->trips[ACPI_THERMAL_TRIP_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->passive.flags.valid) + if (valid != tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state"); } @@ -460,9 +467,9 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) if (ret) return ret; - valid = tz->critical.flags.valid | - tz->hot.flags.valid | - tz->passive.flags.valid; + valid = tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid | + tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid | + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) valid |= tz->active[i].flags.valid; @@ -502,7 +509,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, if (!tz || trip < 0) return -EINVAL; - if (tz->critical.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) { if (!trip) { *type = THERMAL_TRIP_CRITICAL; return 0; @@ -510,7 +517,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, trip--; } - if (tz->hot.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid) { if (!trip) { *type = THERMAL_TRIP_HOT; return 0; @@ -518,7 +525,7 @@ static int thermal_get_trip_type(struct thermal_zone_device *thermal, trip--; } - if (tz->passive.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) { if (!trip) { *type = THERMAL_TRIP_PASSIVE; return 0; @@ -546,30 +553,30 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal, if (!tz || trip < 0) return -EINVAL; - if (tz->critical.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->critical.temperature, + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature, tz->kelvin_offset); return 0; } trip--; } - if (tz->hot.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->hot.temperature, + tz->trips[ACPI_THERMAL_TRIP_HOT].temperature, tz->kelvin_offset); return 0; } trip--; } - if (tz->passive.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) { if (!trip) { *temp = deci_kelvin_to_millicelsius_with_offset( - tz->passive.temperature, + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].temperature, tz->kelvin_offset); return 0; } @@ -595,9 +602,9 @@ static int thermal_get_crit_temp(struct thermal_zone_device *thermal, { struct acpi_thermal *tz = thermal->devdata; - if (tz->critical.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) { *temperature = deci_kelvin_to_millicelsius_with_offset( - tz->critical.temperature, + tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature, tz->kelvin_offset); return 0; } @@ -635,8 +642,9 @@ 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->passive.tc1 * (tz->temperature - tz->last_temperature)) + - (tz->passive.tc2 * (tz->temperature - tz->passive.temperature)); + i = (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tc1 * (tz->temperature - tz->last_temperature)) + + (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tc2 * + (tz->temperature - tz->trips[ACPI_THERMAL_TRIP_PASSIVE].temperature)); if (i > 0) *trend = THERMAL_TREND_RAISING; @@ -681,16 +689,16 @@ static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal, int trip = -1; int result = 0; - if (tz->critical.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) trip++; - if (tz->hot.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid) trip++; - if (tz->passive.flags.valid) { + if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) { trip++; - for (i = 0; i < tz->passive.devices.count; i++) { - handle = tz->passive.devices.handles[i]; + for (i = 0; i < tz->trips[ACPI_THERMAL_TRIP_PASSIVE].devices.count; i++) { + handle = tz->trips[ACPI_THERMAL_TRIP_PASSIVE].devices.handles[i]; dev = acpi_fetch_acpi_dev(handle); if (dev != device) continue; @@ -774,23 +782,23 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) acpi_status status; int i; - if (tz->critical.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid) trips++; - if (tz->hot.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_HOT].flags.valid) trips++; - if (tz->passive.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) trips++; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->active[i].flags.valid; i++, trips++); - if (tz->passive.flags.valid) + if (tz->trips[ACPI_THERMAL_TRIP_PASSIVE].flags.valid) tz->thermal_zone = thermal_zone_device_register("acpitz", trips, 0, tz, &acpi_thermal_zone_ops, NULL, - tz->passive.tsp*100, + tz->trips[ACPI_THERMAL_TRIP_PASSIVE].tsp*100, tz->polling_frequency*100); else tz->thermal_zone = @@ -966,8 +974,8 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz) */ static void acpi_thermal_guess_offset(struct acpi_thermal *tz) { - if (tz->critical.flags.valid && - (tz->critical.temperature % 5) == 1) + if (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].flags.valid && + (tz->trips[ACPI_THERMAL_TRIP_CRITICAL].temperature % 5) == 1) tz->kelvin_offset = 273100; else tz->kelvin_offset = 273200;