From patchwork Mon Oct 3 09:25:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 12997261 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 90037C4332F for ; Mon, 3 Oct 2022 09:27:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231574AbiJCJ1F (ORCPT ); Mon, 3 Oct 2022 05:27:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230186AbiJCJ0p (ORCPT ); Mon, 3 Oct 2022 05:26:45 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CD0A3385E for ; Mon, 3 Oct 2022 02:26:32 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id w18so7041527wro.7 for ; Mon, 03 Oct 2022 02:26:31 -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=NHEq81Yai/Cx5A3bz8fUfqWE2nXe05b8U8mTE9eCuHA=; b=Ycp6Hv4OEi8FM6VSg6+nld2un4TWu5RT/UHJ8CejYgHfolerJaG1wnQo3PgBjI2Q1Q 5lG35sIANDxExFGMZdxevSZ4jkoWJs71I1WhCUW3WpGUKz8Xj3OvorKKc7Ckl8lboa4T A+SWrCFj4y1VZ9KSQpxYWvspygR3ifIEcrTRtGYpL+l45A7CSyhxjOSGQLPsS9SoZbr+ 0GDmWOX7tK+KJ5kAfABFp+x1bgLGdI3Q91D+KTHNztlIUqChrzU5Q/Jb18KdkawMMGwj o4UNL5QFghlup4I3RgYdw9HSkhBOvFvTBMTASXGRW2rogV5c9Zd9q/D3hnoklNOyEGXQ eFdQ== 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=NHEq81Yai/Cx5A3bz8fUfqWE2nXe05b8U8mTE9eCuHA=; b=yhm3YMBQIoc7SVHyiiP10y7W/YVr3S2Q55Q0g1MfNiP2Zalpvue8BO7bHXG+7Jj4Xa IMsWieF+XoMJ2bvVK3iItxnb4yGxi4iUO5QnHGTkvfRt2G98XRNo/wRT/xw/qn+yMRA8 8F7RaydF3/lBNNTHLHCZ8+TCtvG7s1zlwge4w8LOjTbbHDIEImLv+6UbGFZC4Iz/PEd9 sezraHJqBV9COr5T4xfxKmL0Ws3p5lEmg81hi3Wg6UDXA4At+KMiuH/H0MvTi5ni7kGi uJ08VrcKe5MPxPDxio5N5ZECURWlVK3ZDzoW+D+iVdTnBefPTJ8RWFvXJjCaLLhNdQ5W RpPg== X-Gm-Message-State: ACrzQf0e28sv693N77u/l3rvThIVMuUME7FCQSgd0PclNaWjysK/P4qS +S9W/WuFPbxjCLkKMYnJ7mqi2A== X-Google-Smtp-Source: AMsMyM5yEsq+QukFS+lIBKqy0vt6Y6QsuNmQH5ynCr5tl8rdfj8uN8IK3YCqBKYzp8zgIvZ1otYNXw== X-Received: by 2002:a5d:59ae:0:b0:22a:ff17:db96 with SMTP id p14-20020a5d59ae000000b0022aff17db96mr12870552wrr.299.1664789180392; Mon, 03 Oct 2022 02:26:20 -0700 (PDT) Received: from mai.. ([2a05:6e02:1041:c10:f3a:9f5e:1605:a75a]) by smtp.gmail.com with ESMTPSA id ay3-20020a5d6f03000000b0022cc157bf26sm9707520wrb.85.2022.10.03.02.26.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Oct 2022 02:26:19 -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, "Rafael J . Wysocki" Subject: [PATCH v8 02/29] thermal/sysfs: Always expose hysteresis attributes Date: Mon, 3 Oct 2022 11:25:35 +0200 Message-Id: <20221003092602.1323944-3-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: linux-pm@vger.kernel.org Instead of avoiding to expose the hysteresis attributes of a thermal zone when its get_trip_hyst() operation is not defined, which is confusing, expose them always and use the default thermal_zone_get_trip() function returning 0 hysteresis when that operation is not present. The hysteresis of 0 is perfectly valid, so this change should not introduce any backwards compatibility issues. Signed-off-by: Daniel Lezcano Acked-by: Rafael J. Wysocki --- drivers/thermal/thermal_sysfs.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index d093d7aa64c6..6c45194aaabb 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -426,23 +426,20 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask) return -ENOMEM; } - if (tz->ops->get_trip_hyst) { - tz->trip_hyst_attrs = kcalloc(tz->num_trips, - sizeof(*tz->trip_hyst_attrs), - GFP_KERNEL); - if (!tz->trip_hyst_attrs) { - kfree(tz->trip_type_attrs); - kfree(tz->trip_temp_attrs); - return -ENOMEM; - } + tz->trip_hyst_attrs = kcalloc(tz->num_trips, + sizeof(*tz->trip_hyst_attrs), + GFP_KERNEL); + if (!tz->trip_hyst_attrs) { + kfree(tz->trip_type_attrs); + kfree(tz->trip_temp_attrs); + return -ENOMEM; } attrs = kcalloc(tz->num_trips * 3 + 1, sizeof(*attrs), GFP_KERNEL); if (!attrs) { kfree(tz->trip_type_attrs); kfree(tz->trip_temp_attrs); - if (tz->ops->get_trip_hyst) - kfree(tz->trip_hyst_attrs); + kfree(tz->trip_hyst_attrs); return -ENOMEM; } @@ -475,9 +472,6 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask) } attrs[indx + tz->num_trips] = &tz->trip_temp_attrs[indx].attr.attr; - /* create Optional trip hyst attribute */ - if (!tz->ops->get_trip_hyst) - continue; snprintf(tz->trip_hyst_attrs[indx].name, THERMAL_NAME_LENGTH, "trip_point_%d_hyst", indx); @@ -514,8 +508,7 @@ static void destroy_trip_attrs(struct thermal_zone_device *tz) kfree(tz->trip_type_attrs); kfree(tz->trip_temp_attrs); - if (tz->ops->get_trip_hyst) - kfree(tz->trip_hyst_attrs); + kfree(tz->trip_hyst_attrs); kfree(tz->trips_attribute_group.attrs); }