From nobody Sat Oct 4 19:16:49 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B3AC7305E1E; Wed, 13 Aug 2025 18:55:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755111340; cv=none; b=eNCqVohTHY29hE4gdrWI8sxoVRyybW2JKgWQuIXecAPy0ejjZLN/WLO2MDa6sSF9HKZ8Wr/bH0diyTZPPu4xJe5ZfD1tr0W4zp9X2o+s0Gm1Mbax2wLrK6ltr94o/nzrxI6wOSA20uEnlkRXAD9OhvqufMR+GrHSVJbngBzy3ic= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755111340; c=relaxed/simple; bh=ch/o4xVd8lIYnBl2yT/WfH6wbEpaFaYG6SCxK0C0vl8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gdXcQ7s8AALNv2JIeuKdHOWYiXv8D5qqlpu8JqownqWdEbFG92H+ftCs6F1hYA4xJCR81XfTgyyTFs3sWWUBl3R6xTLgGxbozjwXokZj6nygbXh6i+Dz6tiTSiqfHHf/3uqkQajMISuEmbhMjGc2e7Mcbc3GilLph/IFEK/BHAk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=D+oSBxtp; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="D+oSBxtp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1755111339; x=1786647339; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ch/o4xVd8lIYnBl2yT/WfH6wbEpaFaYG6SCxK0C0vl8=; b=D+oSBxtpGnjmYd+Xmm5RkDDjoMflcpaEBPuoWyXvkOpjUdR9VCB8Y7WY YupZAR0WL0s8jBcj2LsJLeN3VMp5WPlPP0yxOuAfL74J1i2whbetNrncn 2sydmeI7EhHlI5qxsdgPcxQc2EKVNWR2GK9kSHIP9FprqympluQ0FhdcG 17eWQIQKosRfORlDSP5QPpsF7LsKRtDQyFAB3ZU2+vt9kS+mUic9jI7K1 vbQ9U+OJaggX64vHXYl9np8TaQRUWERmOgLPJejto/6+Vz+ZFm00iciav VD/V6yoDAsuqyLQdi7bJMEhYe4CtZKBHvmj76J+D3a5gQJMT7Ig0rSqY3 w==; X-CSE-ConnectionGUID: 16Z5I1g/Qn2qgutRdSe1Tw== X-CSE-MsgGUID: UvKg+hZVSIC+7RXTOG4k9w== X-IronPort-AV: E=McAfee;i="6800,10657,11520"; a="56631248" X-IronPort-AV: E=Sophos;i="6.17,287,1747724400"; d="scan'208";a="56631248" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 11:55:35 -0700 X-CSE-ConnectionGUID: 5McULt/1R8uzckTiEDCrKw== X-CSE-MsgGUID: qX/1ACUpQOaNhZoe4fa5yQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,287,1747724400"; d="scan'208";a="170755040" Received: from spandruv-desk.jf.intel.com ([10.54.75.16]) by fmviesa005.fm.intel.com with ESMTP; 13 Aug 2025 11:55:35 -0700 From: Srinivas Pandruvada To: rafael@kernel.org, daniel.lezcano@linaro.org, lukasz.luba@arm.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH 5/5] thermal: intel: int340x: Add suspend and resume callbacks Date: Wed, 13 Aug 2025 11:55:30 -0700 Message-ID: <20250813185530.635096-6-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250813185530.635096-1-srinivas.pandruvada@linux.intel.com> References: <20250813185530.635096-1-srinivas.pandruvada@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" During system suspend callback save slider register and restore during resume callback. Signed-off-by: Srinivas Pandruvada --- .../int340x_thermal/processor_thermal_device.c | 10 ++++++++++ .../int340x_thermal/processor_thermal_device.h | 2 ++ .../processor_thermal_soc_slider.c | 15 +++++++++++++++ 3 files changed, 27 insertions(+) diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device= .c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 4aea5c9baae9..a772c187bedb 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -338,10 +338,17 @@ static int tcc_offset_save =3D -1; =20 int proc_thermal_suspend(struct device *dev) { + struct proc_thermal_device *proc_dev; + tcc_offset_save =3D intel_tcc_get_offset(-1); if (tcc_offset_save < 0) dev_warn(dev, "failed to save offset (%d)\n", tcc_offset_save); =20 + proc_dev =3D dev_get_drvdata(dev); + + if (proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_SOC_POWER_SLIDER) + proc_thermal_soc_power_slider_suspend(proc_dev); + return 0; } EXPORT_SYMBOL_GPL(proc_thermal_suspend); @@ -357,6 +364,9 @@ int proc_thermal_resume(struct device *dev) if (tcc_offset_save >=3D 0) intel_tcc_set_offset(-1, tcc_offset_save); =20 + if (proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_SOC_POWER_SLIDER) + proc_thermal_soc_power_slider_resume(proc_dev); + return 0; } EXPORT_SYMBOL_GPL(proc_thermal_resume); diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device= .h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h index ba3f64742f2f..30760475102f 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h @@ -130,5 +130,7 @@ int proc_thermal_ptc_add(struct pci_dev *pdev, struct p= roc_thermal_device *proc_ void proc_thermal_ptc_remove(struct pci_dev *pdev); =20 int proc_thermal_soc_power_slider_add(struct pci_dev *pdev, struct proc_th= ermal_device *proc_priv); +void proc_thermal_soc_power_slider_suspend(struct proc_thermal_device *pro= c_priv); +void proc_thermal_soc_power_slider_resume(struct proc_thermal_device *proc= _priv); =20 #endif diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_sl= ider.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider= .c index bd4ff26a488b..268bf9124d95 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_soc_slider.c @@ -248,6 +248,21 @@ int proc_thermal_soc_power_slider_add(struct pci_dev *= pdev, struct proc_thermal_ } EXPORT_SYMBOL_NS_GPL(proc_thermal_soc_power_slider_add, "INT340X_THERMAL"); =20 +static u64 soc_slider_save; + +void proc_thermal_soc_power_slider_suspend(struct proc_thermal_device *pro= c_priv) +{ + soc_slider_save =3D readq(proc_priv->mmio_base + SOC_POWER_SLIDER_OFFSET); + +} +EXPORT_SYMBOL_NS_GPL(proc_thermal_soc_power_slider_suspend, "INT340X_THERM= AL"); + +void proc_thermal_soc_power_slider_resume(struct proc_thermal_device *proc= _priv) +{ + writeq(soc_slider_save, proc_priv->mmio_base + SOC_POWER_SLIDER_OFFSET); +} +EXPORT_SYMBOL_NS_GPL(proc_thermal_soc_power_slider_resume, "INT340X_THERMA= L"); + MODULE_IMPORT_NS("INT340X_THERMAL"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Processor Thermal Power Slider Interface"); --=20 2.43.0