From patchwork Mon Nov 4 13:30:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pascal Paillet X-Patchwork-Id: 11225823 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 88984913 for ; Mon, 4 Nov 2019 13:31:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6681E222C2 for ; Mon, 4 Nov 2019 13:31:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="sFszNMSA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729204AbfKDNaw (ORCPT ); Mon, 4 Nov 2019 08:30:52 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:50814 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729058AbfKDNav (ORCPT ); Mon, 4 Nov 2019 08:30:51 -0500 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xA4DHK7C008695; Mon, 4 Nov 2019 14:30:25 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=poGuxiksbd1+m08n39wqdhvTjgQ3Np+ues1IrMNq2zc=; b=sFszNMSAoL+e8Qpajej6/iL5t9I6gWN/2ipnLsQHek3AiIr1XmVlchU8Wrq3A71q78/b elEW1e199F2vZoEgdlfFCum8VAkZGo+h2iYQ/zUrmkNG27ilNxJk8MS7Hno0e1ZVVfTx 6i6YXW4j/YshjBoQ630fa3o9rERnFsJtgQRQWV+rmf5DJ1xektDDrgj2txa/QXnRIK1Z +e46v5LBXdKsIR5rifEjxYrFPMoJrrsW2t3oala1+FarhW4OgYNdhctY3NHy36QJaCrm cKKeeG2fxZu6mctatH1/9mDCek/yYRuCHEYclHS/hgHDmlmxuEDiCXmNqkbX67R9UMor Pg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2w1054hntt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 04 Nov 2019 14:30:24 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id ADD4110003A; Mon, 4 Nov 2019 14:30:23 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag6node2.st.com [10.75.127.17]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9D0AD2FF5C2; Mon, 4 Nov 2019 14:30:23 +0100 (CET) Received: from localhost (10.75.127.49) by SFHDAG6NODE2.st.com (10.75.127.17) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 4 Nov 2019 14:30:22 +0100 From: Pascal Paillet To: , , , , , , , , , , , , , Subject: [PATCH v2 1/5] thermal: stm32: remove hardware irq handler Date: Mon, 4 Nov 2019 14:30:16 +0100 Message-ID: <20191104133020.8820-2-p.paillet@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191104133020.8820-1-p.paillet@st.com> References: <20191104133020.8820-1-p.paillet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG6NODE2.st.com (10.75.127.17) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-11-04_08:2019-11-04,2019-11-04 signatures=0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Remove hardware irq handler because it is not needed to disable the interrupt before the threaded handler. The goal is to simplify the code. Change-Id: Ida967e8543c8dafc6a24508000f64f6405add31d --- drivers/thermal/st/stm_thermal.c | 25 +------------------------ 1 file changed, 1 insertion(+), 24 deletions(-) diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c index cf9ddc52f30e..31aa63fb3db1 100644 --- a/drivers/thermal/st/stm_thermal.c +++ b/drivers/thermal/st/stm_thermal.c @@ -98,21 +98,10 @@ struct stm_thermal_sensor { unsigned int low_temp_enabled; int num_trips; int irq; - unsigned int irq_enabled; void __iomem *base; int t0, fmt0, ramp_coeff; }; -static irqreturn_t stm_thermal_alarm_irq(int irq, void *sdata) -{ - struct stm_thermal_sensor *sensor = sdata; - - disable_irq_nosync(irq); - sensor->irq_enabled = false; - - return IRQ_WAKE_THREAD; -} - static irqreturn_t stm_thermal_alarm_irq_thread(int irq, void *sdata) { u32 value; @@ -464,16 +453,6 @@ static int stm_thermal_get_temp(void *data, int *temp) if (ret) return ret; } - - /* - * Re-enable alarm IRQ if temperature below critical - * temperature - */ - if (!sensor->irq_enabled && - (celsius(*temp) < sensor->temp_critical)) { - sensor->irq_enabled = true; - enable_irq(sensor->irq); - } } return 0; @@ -493,7 +472,7 @@ static int stm_register_irq(struct stm_thermal_sensor *sensor) } ret = devm_request_threaded_irq(dev, sensor->irq, - stm_thermal_alarm_irq, + NULL, stm_thermal_alarm_irq_thread, IRQF_ONESHOT, dev->driver->name, sensor); @@ -503,8 +482,6 @@ static int stm_register_irq(struct stm_thermal_sensor *sensor) return ret; } - sensor->irq_enabled = true; - dev_dbg(dev, "%s: thermal IRQ registered", __func__); return 0;