From patchwork Wed Dec 21 15:25:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 13078869 X-Patchwork-Delegate: kuba@kernel.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 E4A96C3DA7B for ; Wed, 21 Dec 2022 15:26:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234704AbiLUP0F (ORCPT ); Wed, 21 Dec 2022 10:26:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234642AbiLUPZu (ORCPT ); Wed, 21 Dec 2022 10:25:50 -0500 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD8C163B2 for ; Wed, 21 Dec 2022 07:25:47 -0800 (PST) Received: by mail-ed1-x531.google.com with SMTP id d14so22402580edj.11 for ; Wed, 21 Dec 2022 07:25:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2pvhSkDS7sLr/yCRVBMsqsSsDc7feD385RgSjpw/bFA=; b=bkhs3owSb5fFeZ5stolKBxsxgzclcE1S6E6LBQZCMMFan2MMBBTMhTgMJUAPZD/lHs 8zqKLzUb8t/KkUwk6kcY7mvlHggwNujTO8JAW/Sj5JPBPpXM2NejknROiCRGlZ1psfkn chNdR1RBvED/ZEUXNPHj1exrPPZ65rAmKx7ZiJnGG45IxFGHGDw3pPPLixHA5r2Q6YwE fo9hcMBeVEYGtOYkwOTHk7VVPeHO5//KrN+zTGAGkHlLm27VLrFK0Ky40PM9F+Oy9krI tySiUeRj+TiJUjxzIMyCBWQaOnUzBY3U1F1n5N0j4fu5+I9Lwh8yjbtByzj/lIaIJL4O Ugug== 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:message-id:reply-to; bh=2pvhSkDS7sLr/yCRVBMsqsSsDc7feD385RgSjpw/bFA=; b=PnXj85SlrgPcbUwnlYZf6e+PKINe96j1B0tFlSYF1pZJavH+6nr0tH78zX+OHGzAT+ dbCcdFUKbAqV/prf385k0Kh27QLw+48zPO/4XHzC/zjBi0hmraE1PDD+SY1ApEmy4f++ KvdlMidFI1sAqN9jSt7j7NXmoohUSiMKpZngNrXcTE0jjgpT6yc/6R0ZYs4E1D6IsCgB r/BhEdV8zTixwmmfTnVD3YTDtIc3ARev4h1hC3HqedYobtahJOTnQX6dtYqAjbtwgg8U QOr/nUC1R2IHyDP3ArhiXw6PvyKqx7UJAnDqQYJvMyAyg91FIWBqysC/y/jVbom7ogDE oaTg== X-Gm-Message-State: AFqh2kqwRE/lMKpgZqyuMV6yjtM/aAQcu5tooP721EqNPc/k4/fNsuKW O4KXwg+o/HNCJ8soB6r7ikiuoUadzBeYiXZi X-Google-Smtp-Source: AMrXdXvSCD11RIqk7ZVmORgmKZv80u9uhoq8DSE5lMteZzY4IpDmwnoF1hXmhkCaM4eI1G4KirHGsA== X-Received: by 2002:a05:6402:f05:b0:46f:9a53:fdcc with SMTP id i5-20020a0564020f0500b0046f9a53fdccmr2470351eda.12.1671636346275; Wed, 21 Dec 2022 07:25:46 -0800 (PST) Received: from blmsp.fritz.box ([2001:4091:a245:805c:8713:84e4:2a9e:cbe8]) by smtp.gmail.com with ESMTPSA id n19-20020aa7c793000000b0045cf4f72b04sm7105428eds.94.2022.12.21.07.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Dec 2022 07:25:45 -0800 (PST) From: Markus Schneider-Pargmann To: Marc Kleine-Budde , Chandrasekar Ramakrishnan , Wolfgang Grandegger Cc: Vincent MAILHOL , linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Markus Schneider-Pargmann Subject: [PATCH 06/18] can: m_can: Disable unused interrupts Date: Wed, 21 Dec 2022 16:25:25 +0100 Message-Id: <20221221152537.751564-7-msp@baylibre.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221221152537.751564-1-msp@baylibre.com> References: <20221221152537.751564-1-msp@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org There are a number of interrupts that are not used by the driver at the moment. Disable all of these. Signed-off-by: Markus Schneider-Pargmann --- drivers/net/can/m_can/m_can.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index a76465016e17..9749a3248517 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1252,6 +1252,12 @@ static void m_can_chip_config(struct net_device *dev) { struct m_can_classdev *cdev = netdev_priv(dev); u32 cccr, test; + u32 interrupts = IR_ALL_INT; + + /* Disable unused interrupts */ + interrupts &= ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TEFW | IR_TFE | + IR_TCF | IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | + IR_RF0F | IR_RF0W); m_can_config_endisable(cdev, true); @@ -1347,15 +1353,13 @@ static void m_can_chip_config(struct net_device *dev) m_can_write(cdev, M_CAN_TEST, test); /* Enable interrupts */ - if (!(cdev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING)) + if (!(cdev->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING)) { if (cdev->version == 30) - m_can_write(cdev, M_CAN_IE, IR_ALL_INT & - ~(IR_ERR_LEC_30X)); + interrupts &= ~(IR_ERR_LEC_30X); else - m_can_write(cdev, M_CAN_IE, IR_ALL_INT & - ~(IR_ERR_LEC_31X)); - else - m_can_write(cdev, M_CAN_IE, IR_ALL_INT); + interrupts &= ~(IR_ERR_LEC_31X); + } + m_can_write(cdev, M_CAN_IE, interrupts); /* route all interrupts to INT0 */ m_can_write(cdev, M_CAN_ILS, ILS_ALL_INT0);