From patchwork Mon Oct 3 09:25:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 12997257 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 490D5C4167B for ; Mon, 3 Oct 2022 09:31:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230414AbiJCJbm (ORCPT ); Mon, 3 Oct 2022 05:31:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231680AbiJCJ3l (ORCPT ); Mon, 3 Oct 2022 05:29:41 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69E9D53003 for ; Mon, 3 Oct 2022 02:27:47 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id b4so8822032wrs.1 for ; Mon, 03 Oct 2022 02:27:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=xYvlHjUzJ1gAdl8KtmAH0mCHcP29B+tCMOTUThwt7jg=; b=t1jsrwSi+vb/a0cOl/6g8pQAclvuqJEGFnUAevnbjkn+nJslxfxB2sNGKmYY6hY0Eb U7WNxo0g0Rsj9Z1FfrcjMzshkUarOCClWcFUB36DpRpZakPSsBsAbRhgPNV97fnaChFr TNY3tOJemcb4+R0paotaSQgI/NwtZaWq7CtWUVG3rvmmEPVK4+X5AP5pnhIEEnUAcJrR kCA7EoCldARnmYvr/WOGfo3ova5r6CVcQJ4Y5jNeb6RD5LCz1LldoJXRvRqwQ7jWVKeK rdpqMvKfWIYCUGNR50TOTy9QOO6l3lhZ0s+eN603Gy938a8nin7WnZ8asn/hRfEb5NC4 8M9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=xYvlHjUzJ1gAdl8KtmAH0mCHcP29B+tCMOTUThwt7jg=; b=Dhq/xyuKKzoxTw24T6d9StBDR06TywQT5TLMVdtuWsOnaU98oX7apAeT7QxsZXGOgA p1INqBGANbicDE0Sc8PWmzFAao79tvZ8HukeJtWLbxiY9yArNS9PBy9o+yFyG5hevDmM Rfp+RVgbITrSNOKmC/UFDEEfyi56EJDkTG3S1WrFeG0fOD4Hf/40RaE52HDkNlRDwa9b M/PeyHAUFjRv/mKza/uU8ZAYMG3SY/Bkt+s0K/dulo9uaep9UC2/ht1TshNLlaDSTMpP e7CWmK4rF/PYyfSOxOazkEWq6xtqTcY3MGDQBhhkFxDt6p3UkTd7RrN40iJFF4j4ouiD KfTQ== X-Gm-Message-State: ACrzQf2y3F8b3clVgO5G9ctBLQZF84IKx5LjtDnhYV8UMK8VBt2OwTdD mMzvgPfshJlRHkGHTBNA8Yeyjg== X-Google-Smtp-Source: AMsMyM4O9FEYjkKTECrwNknXqTrJGK74Dpt7gm7DcW/ug6IBOPCQ4bnjHfrvTR93huq/5pFURgA0ow== X-Received: by 2002:a05:6000:1541:b0:22a:3b77:6ef4 with SMTP id 1-20020a056000154100b0022a3b776ef4mr12312239wry.303.1664789244392; Mon, 03 Oct 2022 02:27:24 -0700 (PDT) Received: from mai.. ([2a05:6e02:1041:c10:f3a:9f5e:1605:a75a]) by smtp.gmail.com with ESMTPSA id ay3-20020a5d6f03000000b0022cc157bf26sm9707520wrb.85.2022.10.03.02.27.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Oct 2022 02:27:23 -0700 (PDT) From: Daniel Lezcano To: daniel.lezcano@linaro.org, rafael@kernel.org Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rui.zhang@intel.com, Raju Rangoju , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Peter Kaestle , Hans de Goede , Mark Gross , Miquel Raynal , Amit Kucheria , Nicolas Saenz Julienne , Broadcom Kernel Team , Florian Fainelli , Ray Jui , Scott Branden , Support Opensource , Lukasz Luba , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Thara Gopinath , Andy Gross , Bjorn Andersson , =?utf-8?q?Niklas_S=C3=B6derlu?= =?utf-8?q?nd?= , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , Jonathan Hunter , Eduardo Valentin , Keerthy , Kunihiko Hayashi , Masami Hiramatsu , Antoine Tenart , Srinivas Pandruvada , Dmitry Osipenko , netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v8 21/29] thermal/drivers/imx: Use generic thermal_zone_get_trip() function Date: Mon, 3 Oct 2022 11:25:54 +0200 Message-Id: <20221003092602.1323944-22-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221003092602.1323944-1-daniel.lezcano@linaro.org> References: <20221003092602.1323944-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org The thermal framework gives the possibility to register the trip points with the thermal zone. When that is done, no get_trip_* ops are needed and they can be removed. Convert ops content logic into generic trip points and register them with the thermal zone. Signed-off-by: Daniel Lezcano --- drivers/thermal/imx_thermal.c | 72 +++++++++++++---------------------- 1 file changed, 27 insertions(+), 45 deletions(-) diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 16663373b682..fb0d5cab70af 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -76,7 +76,6 @@ enum imx_thermal_trip { IMX_TRIP_PASSIVE, IMX_TRIP_CRITICAL, - IMX_TRIP_NUM, }; #define IMX_POLLING_DELAY 2000 /* millisecond */ @@ -115,6 +114,11 @@ struct thermal_soc_data { u32 low_alarm_shift; }; +static struct thermal_trip trips[] = { + [IMX_TRIP_PASSIVE] = { .type = THERMAL_TRIP_PASSIVE }, + [IMX_TRIP_CRITICAL] = { .type = THERMAL_TRIP_CRITICAL }, +}; + static struct thermal_soc_data thermal_imx6q_data = { .version = TEMPMON_IMX6Q, @@ -201,8 +205,6 @@ struct imx_thermal_data { struct thermal_cooling_device *cdev; struct regmap *tempmon; u32 c1, c2; /* See formula in imx_init_calib() */ - int temp_passive; - int temp_critical; int temp_max; int alarm_temp; int last_temp; @@ -279,12 +281,12 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp) /* Update alarm value to next higher trip point for TEMPMON_IMX6Q */ if (data->socdata->version == TEMPMON_IMX6Q) { - if (data->alarm_temp == data->temp_passive && - *temp >= data->temp_passive) - imx_set_alarm_temp(data, data->temp_critical); - if (data->alarm_temp == data->temp_critical && - *temp < data->temp_passive) { - imx_set_alarm_temp(data, data->temp_passive); + if (data->alarm_temp == trips[IMX_TRIP_PASSIVE].temperature && + *temp >= trips[IMX_TRIP_PASSIVE].temperature) + imx_set_alarm_temp(data, trips[IMX_TRIP_CRITICAL].temperature); + if (data->alarm_temp == trips[IMX_TRIP_CRITICAL].temperature && + *temp < trips[IMX_TRIP_PASSIVE].temperature) { + imx_set_alarm_temp(data, trips[IMX_TRIP_PASSIVE].temperature); dev_dbg(&tz->device, "thermal alarm off: T < %d\n", data->alarm_temp / 1000); } @@ -330,29 +332,10 @@ static int imx_change_mode(struct thermal_zone_device *tz, return 0; } -static int imx_get_trip_type(struct thermal_zone_device *tz, int trip, - enum thermal_trip_type *type) -{ - *type = (trip == IMX_TRIP_PASSIVE) ? THERMAL_TRIP_PASSIVE : - THERMAL_TRIP_CRITICAL; - return 0; -} - static int imx_get_crit_temp(struct thermal_zone_device *tz, int *temp) { - struct imx_thermal_data *data = tz->devdata; - - *temp = data->temp_critical; - return 0; -} - -static int imx_get_trip_temp(struct thermal_zone_device *tz, int trip, - int *temp) -{ - struct imx_thermal_data *data = tz->devdata; + *temp = trips[IMX_TRIP_CRITICAL].temperature; - *temp = (trip == IMX_TRIP_PASSIVE) ? data->temp_passive : - data->temp_critical; return 0; } @@ -371,10 +354,10 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip, return -EPERM; /* do not allow passive to be set higher than critical */ - if (temp < 0 || temp > data->temp_critical) + if (temp < 0 || temp > trips[IMX_TRIP_CRITICAL].temperature) return -EINVAL; - data->temp_passive = temp; + trips[IMX_TRIP_PASSIVE].temperature = temp; imx_set_alarm_temp(data, temp); @@ -423,8 +406,6 @@ static struct thermal_zone_device_ops imx_tz_ops = { .unbind = imx_unbind, .get_temp = imx_get_temp, .change_mode = imx_change_mode, - .get_trip_type = imx_get_trip_type, - .get_trip_temp = imx_get_trip_temp, .get_crit_temp = imx_get_crit_temp, .set_trip_temp = imx_set_trip_temp, }; @@ -507,8 +488,8 @@ static void imx_init_temp_grade(struct platform_device *pdev, u32 ocotp_mem0) * Set the critical trip point at 5 °C under max * Set the passive trip point at 10 °C under max (changeable via sysfs) */ - data->temp_critical = data->temp_max - (1000 * 5); - data->temp_passive = data->temp_max - (1000 * 10); + trips[IMX_TRIP_PASSIVE].temperature = data->temp_max - (1000 * 10); + trips[IMX_TRIP_CRITICAL].temperature = data->temp_max - (1000 * 5); } static int imx_init_from_tempmon_data(struct platform_device *pdev) @@ -743,12 +724,13 @@ static int imx_thermal_probe(struct platform_device *pdev) goto legacy_cleanup; } - data->tz = thermal_zone_device_register("imx_thermal_zone", - IMX_TRIP_NUM, - BIT(IMX_TRIP_PASSIVE), data, - &imx_tz_ops, NULL, - IMX_PASSIVE_DELAY, - IMX_POLLING_DELAY); + data->tz = thermal_zone_device_register_with_trips("imx_thermal_zone", + trips, + ARRAY_SIZE(trips), + BIT(IMX_TRIP_PASSIVE), data, + &imx_tz_ops, NULL, + IMX_PASSIVE_DELAY, + IMX_POLLING_DELAY); if (IS_ERR(data->tz)) { ret = PTR_ERR(data->tz); dev_err(&pdev->dev, @@ -758,8 +740,8 @@ static int imx_thermal_probe(struct platform_device *pdev) dev_info(&pdev->dev, "%s CPU temperature grade - max:%dC" " critical:%dC passive:%dC\n", data->temp_grade, - data->temp_max / 1000, data->temp_critical / 1000, - data->temp_passive / 1000); + data->temp_max / 1000, trips[IMX_TRIP_CRITICAL].temperature / 1000, + trips[IMX_TRIP_PASSIVE].temperature / 1000); /* Enable measurements at ~ 10 Hz */ regmap_write(map, data->socdata->measure_freq_ctrl + REG_CLR, @@ -767,10 +749,10 @@ static int imx_thermal_probe(struct platform_device *pdev) measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */ regmap_write(map, data->socdata->measure_freq_ctrl + REG_SET, measure_freq << data->socdata->measure_freq_shift); - imx_set_alarm_temp(data, data->temp_passive); + imx_set_alarm_temp(data, trips[IMX_TRIP_PASSIVE].temperature); if (data->socdata->version == TEMPMON_IMX6SX) - imx_set_panic_temp(data, data->temp_critical); + imx_set_panic_temp(data, trips[IMX_TRIP_CRITICAL].temperature); regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, data->socdata->power_down_mask);