From patchwork Thu Mar 12 06:48:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: afzal mohammed X-Patchwork-Id: 11433295 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 20B8414E5 for ; Thu, 12 Mar 2020 06:48:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 01C6220578 for ; Thu, 12 Mar 2020 06:48:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CHn2t8Gp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387889AbgCLGsc (ORCPT ); Thu, 12 Mar 2020 02:48:32 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:45572 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387845AbgCLGsb (ORCPT ); Thu, 12 Mar 2020 02:48:31 -0400 Received: by mail-pf1-f196.google.com with SMTP id 2so2746498pfg.12; Wed, 11 Mar 2020 23:48:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=lxjxhXNAD3AGywNMl8H5owtCRspegZReTpVXsaoFlvM=; b=CHn2t8Gp6E99syTcM5Av0LZWL8jbCoQ5jap7ar2l6fwwQ94ld29tvZ2SQaDyM2UU8G PW/TBP58I1SL36LotuxvC8sTUJ6ISHI1Ks+kH0bK09zP46a4aZ3tE9av/ya27yUt8qbU XoE7fVdMiU85mCK52RFMbR+nutYGYwxFK1LezC6Hd/PY6kJseH+I6HfBPlAaAtROTs/P VTtY/fhkw+1KfQ6s0fqwH3xjOPJE9GLWoYvrPtTJkhSTE0waj6AkPoJPOO+8yybr6HG9 j5zWZWCdxKJE7YczJZnE4y4AJE04ML1XF5ToDQYzB6fERP0UIHA9gpvlQ4Os0pnmcpIt 8dYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=lxjxhXNAD3AGywNMl8H5owtCRspegZReTpVXsaoFlvM=; b=cX69dMX3iX6B8Lsd/yd0OowhrVkEPBmljeJe6d9JmkBbI8SbTNtG2UgkGkQrhpzDOp 7m1o6MJYcRrh6R9sn9BlPVXGCu86h6iZQ9HKQjxtK7qnhNHSHW+ITQaa1l2AqJKx2AXK +qsT52AroragheehdEqSxI2uYNOEiMGEEx23N2WzYjX0sEZYeZ0e6G8n5ynxPAHSqeMs 79nFOKV2WZZLjLRdSAf5WOrXNihx4i7jtqw1jI9ErQ2uebSLlWJ/biE+5dw2+7guxvET gyCTGnLixFhYPINg4hHmzImooxsRZJAq7fjfmOIXdaVXT8W0TzS5A1AvezyrcP5MVFWZ CyMA== X-Gm-Message-State: ANhLgQ3reQ5Dp9UCkD8BWUecQxhwmX01TKrMUsElLHx2cySejbi7SrRT QCHH5z2t1AluUJo+yOHmPjM= X-Google-Smtp-Source: ADFU+vsZyABanN90ZhdifavscU6wtE4scsZ3AAJ8cEf7mvO9vLvMg7a4MP11N/8+VsKLJKB7fS7zqg== X-Received: by 2002:a63:4282:: with SMTP id p124mr6575179pga.59.1583995710764; Wed, 11 Mar 2020 23:48:30 -0700 (PDT) Received: from localhost.localdomain ([106.51.232.35]) by smtp.gmail.com with ESMTPSA id z20sm23429783pge.62.2020.03.11.23.48.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Mar 2020 23:48:30 -0700 (PDT) From: afzal mohammed To: daniel.lezcano@linaro.org Cc: afzal.mohd.ma@gmail.com, allison@lohutok.net, baohua@kernel.org, bcm-kernel-feedback-list@broadcom.com, f.fainelli@gmail.com, festevam@gmail.com, gregkh@linuxfoundation.org, info@metux.net, kernel@pengutronix.de, kgene@kernel.org, khilman@baylibre.com, krzk@kernel.org, kstewart@linuxfoundation.org, linus.walleij@linaro.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux@prisktech.co.nz, nsaenzjulienne@suse.de, rjui@broadcom.com, s.hauer@pengutronix.de, sbranden@broadcom.com, shawnguo@kernel.org, tglx@linutronix.de, u.kleine-koenig@pengutronix.de Subject: [PATCH v4] clocksource/drivers/timer-cs5535: request irq with non-NULL dev_id Date: Thu, 12 Mar 2020 12:18:17 +0530 Message-Id: <20200312064817.19000-1-afzal.mohd.ma@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Recently all usages of setup_irq() was replaced by request_irq(). request_irq() does a few sanity checks that were not done in setup_irq(), if they fail irq registration will fail. One of the check is to ensure that non-NULL dev_id is passed in the case of shared irq. Fix it by passing non-NULL dev_id while registering the shared irq. Fixes: cc2550b421aa ("clocksource: Replace setup_irq() by request_irq()") Signed-off-by: afzal mohammed --- Hi Daniel, i have assumed that you would not rebase your drivers/next tree & put the SHA-id in Fixes tag. Regards afzal drivers/clocksource/timer-cs5535.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/clocksource/timer-cs5535.c b/drivers/clocksource/timer-cs5535.c index 51ea0509fb25..d47acfe848ae 100644 --- a/drivers/clocksource/timer-cs5535.c +++ b/drivers/clocksource/timer-cs5535.c @@ -133,6 +133,7 @@ static irqreturn_t mfgpt_tick(int irq, void *dev_id) static int __init cs5535_mfgpt_init(void) { + unsigned long flags = IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED; struct cs5535_mfgpt_timer *timer; int ret; uint16_t val; @@ -152,9 +153,7 @@ static int __init cs5535_mfgpt_init(void) } /* And register it with the kernel */ - ret = request_irq(timer_irq, mfgpt_tick, - IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED, - DRV_NAME, NULL); + ret = request_irq(timer_irq, mfgpt_tick, flags, DRV_NAME, timer); if (ret) { printk(KERN_ERR DRV_NAME ": Unable to set up the interrupt.\n"); goto err_irq;