From patchwork Mon Oct 9 19:05:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: srinivas pandruvada X-Patchwork-Id: 731768 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 BD88CCD612C for ; Mon, 9 Oct 2023 19:06:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378284AbjJITGF (ORCPT ); Mon, 9 Oct 2023 15:06:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346677AbjJITGE (ORCPT ); Mon, 9 Oct 2023 15:06:04 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2F3DAF; Mon, 9 Oct 2023 12:06:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696878362; x=1728414362; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Gt0OEXf5yCXtZ8JHNFgavK0pqZGrMUKjiML+Ljc5m7M=; b=LpJyOJlkeiCJYMw2iWcAH9Bl0yVYWe2kb70MG/VNWUyJZtAtzd7Vgmoa f1AXmAmeHPza7yQFIgWYXQRspprumgScrJlwEJoODvTsCgYBUBxinKx/v G6MH4aM72daNMC+5iGywxRzAAmyxbmBeAud+rEwbY/VL9OpR1lTg72ltN 20wfc2nkmQmrB48Yjcdhmy1Pz788WHsYogQpwBKechxPSLjBPKO2rdOJp dKbG3wHuwWA4R+YsPWuoBrvVxgLW97aNUNj9scLDaURoxXDIpyf4IKPj/ Y31/44aY5fGQLW2dx8p9Mt+ufdOYJkfr8KrWUlSFIa95XLdM43iVt6yVS g==; X-IronPort-AV: E=McAfee;i="6600,9927,10858"; a="415213780" X-IronPort-AV: E=Sophos;i="6.03,210,1694761200"; d="scan'208";a="415213780" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2023 12:06:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10858"; a="823445851" X-IronPort-AV: E=Sophos;i="6.03,210,1694761200"; d="scan'208";a="823445851" Received: from spandruv-desk.jf.intel.com ([10.54.75.14]) by fmsmga004.fm.intel.com with ESMTP; 09 Oct 2023 12:06:00 -0700 From: Srinivas Pandruvada To: daniel.lezcano@linaro.org, rafael@kernel.org, rui.zhang@intel.com Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH v2 5/7] thermal: int340x: processor_thermal: Handle power floor interrupts Date: Mon, 9 Oct 2023 12:05:36 -0700 Message-Id: <20231009190538.2488792-6-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231009190538.2488792-1-srinivas.pandruvada@linux.intel.com> References: <20231009190538.2488792-1-srinivas.pandruvada@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On thermal device interrupt, if the interrupt is generated for passing power floor status, call the callback to pass notification to the user space. First call proc_thermal_check_power_floor_intr() to check interrupt, if this callback returns true, wake the IRQ thread to call proc_thermal_power_floor_intr_callback() to notify user space. Signed-off-by: Srinivas Pandruvada --- v2: - Use common interrupt clearing function to clear interrupt. Previously it was cleared in the callback function proc_thermal_power_floor_intr_callback(). .../intel/int340x_thermal/processor_thermal_device_pci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index ae70fabffb2d..4c2194f19ed2 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -126,7 +126,8 @@ static void proc_thermal_clear_soc_int_status(struct proc_thermal_device *proc_p { u64 status; - if (!(proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT)) + if (!(proc_priv->mmio_feature_mask & + (PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR))) return; status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET); @@ -139,6 +140,7 @@ static irqreturn_t proc_thermal_irq_thread_handler(int irq, void *devid) struct proc_thermal_pci *pci_info = devid; proc_thermal_wt_intr_callback(pci_info->pdev, pci_info->proc_priv); + proc_thermal_power_floor_intr_callback(pci_info->pdev, pci_info->proc_priv); proc_thermal_clear_soc_int_status(pci_info->proc_priv); return IRQ_HANDLED; @@ -158,6 +160,11 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid) ret = IRQ_WAKE_THREAD; } + if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) { + if (proc_thermal_check_power_floor_intr(pci_info->proc_priv)) + ret = IRQ_WAKE_THREAD; + } + /* * Since now there are two sources of interrupts: one from thermal threshold * and another from workload hint, add a check if there was really a threshold