From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08C4FC04A6B for ; Fri, 10 May 2019 13:29:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD9382175B for ; Fri, 10 May 2019 13:29:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kZNJOetC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD9382175B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tLjfLC6U7NDMlc0AVuyAJPTAenIsfFuz2OOxAYDjEKM=; b=kZNJOetCdSLmeL YU2hgu5ZkpWwXmyGwQhSe9HL/oucpg/R2yDHK/dlIl4cM3mQSDemhx8T4JYcxhGvVG7LF2MtjNsnJ QrClVfDQ0Bx9ICSk/Zo3ymkblP/sRU0JaaU933RSq9iGOhikmTDODr0eKFofGDNKB0RQNoEkFn6sh /LaMBigLfOWihdIDLrHb8CW85penFgsl4Z7NbLrAaMdjNBRer76oG8NSHqHCdK2MSmuR6r5+Ke9Xa aJ28zqKuDm9EizHgKLkGKww6/Q4SlXArTjIy3cFXml5Uy8fPZ7RzEC+jj82IYXtTiAVYu75PdIPJ9 PMB1/9AQ1INcPSf41+xQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hP5ai-0004CI-Od; Fri, 10 May 2019 13:29:36 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hP5aR-0003tS-W6; Fri, 10 May 2019 13:29:21 +0000 X-UUID: 965e7d71d4ef4e2d9c223dbc56f912e2-20190510 X-UUID: 965e7d71d4ef4e2d9c223dbc56f912e2-20190510 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 373171395; Fri, 10 May 2019 05:27:26 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 10 May 2019 06:27:26 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 10 May 2019 21:27:11 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 10 May 2019 21:27:11 +0800 From: michael.kao To: Zhang Rui , Eduardo Valentin , Daniel Lezcano , Rob Herring , Mark Rutland , Matthias Brugger , Subject: [PATCH v2 8/8] thermal: mediatek: use spinlock to protect PTPCORESEL Date: Fri, 10 May 2019 21:27:06 +0800 Message-ID: <1557494826-6044-9-git-send-email-michael.kao@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1557494826-6044-1-git-send-email-michael.kao@mediatek.com> References: <1557494826-6044-1-git-send-email-michael.kao@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 31D7B78B317839C87C3E2961C6190345EB6543F46075DED937CAA031FAC50A042000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190510_062920_031948_939230D2 X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, "michael.kao" , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The driver of thermal and svs will use the same register for the project which should select bank before reading sensor value. Signed-off-by: Michael.Kao --- drivers/thermal/mtk_thermal.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index d5c78b0..6d7e839 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -30,6 +30,7 @@ #include #include #include +#include /* AUXADC Registers */ #define AUXADC_CON1_SET_V 0x008 @@ -267,7 +268,7 @@ struct mtk_thermal { struct clk *clk_peri_therm; struct clk *clk_auxadc; /* lock: for getting and putting banks */ - struct mutex lock; + unsigned long flags; /* Calibration values */ s32 adc_ge; @@ -566,7 +567,7 @@ static void mtk_thermal_get_bank(struct mtk_thermal_bank *bank) u32 val; if (mt->conf->need_switch_bank) { - mutex_lock(&mt->lock); + mt->flags = claim_mtk_svs_lock(); val = readl(mt->thermal_base + PTPCORESEL); val &= ~0xf; @@ -586,7 +587,7 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank) struct mtk_thermal *mt = bank->mt; if (mt->conf->need_switch_bank) - mutex_unlock(&mt->lock); + release_mtk_svs_lock(mt->flags); } /** @@ -941,8 +942,6 @@ static int mtk_thermal_probe(struct platform_device *pdev) if (ret) return ret; - mutex_init(&mt->lock); - mt->dev = &pdev->dev; auxadc = of_parse_phandle(np, "mediatek,auxadc", 0); -- 2.6.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel