From patchwork Wed Dec 11 16:34:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= X-Patchwork-Id: 850772 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D303624635B; Wed, 11 Dec 2024 16:37:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.132.182.106 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733935033; cv=none; b=Ag6TS3nMGmKf2ylcTlOt1CQroF26vGzm60MbJN06huKoRqdu+jwGt5H+lWmYVfK0f7DbKaVs7xHYI1jUllDOAKH1S8/FQAj6A80GqwM2+W0z2acRKJ0Vw0+dawOLFtFtD/7JWuEeZ7W5enPpbgId5W0Ac0a5RKr1fp+AceaEl3g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733935033; c=relaxed/simple; bh=XCyqkzb8aw28SJgDwljq8SlA1BWNkl7yTHRol9/M9Ug=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=fjNRykQ1BrKZjEGkR/cMWv1D1P+mHhDW08p8RdW5r1x0wsUzBpUfJRF+RGWRZdrhILjxWkZSs2cT0EBBy1Qv+OgdKtX264pDUEl34JeK0HfsNUL98yX56ldGtJHrbjKxWJP1F4fmRTTm2o7CnS7ImhJIxQs4QB7p/lMqO8DQDOA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=v6qHGIBW; arc=none smtp.client-ip=185.132.182.106 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="v6qHGIBW" Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BBDm6Z1014727; Wed, 11 Dec 2024 17:36:33 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=selector1; bh=PXiCCXsVfW/h9LtVSBuu5+ pxnV9XWp/7D8xOOI/76mU=; b=v6qHGIBWdpcdy0A+GRWq4r6uPGDOSASWQMIovH qyiB9GPJiNIvORrT9nax951FzOYMFWGto99bdsY2H0tlW04RTVlEOwgMps32QSte TZaMEqyZ5NcQYEfwXPkdOviIVPUpPdefoUVawj/hDcDlQd5ypKMWEvz2uLTqc3CP ul7GtS0rhWQC8hXJoMtN7Pi/LnZBBuq76QYlLeN/ClexYXDk52n4n5Tal0hMAOb8 J1EKXQyRn6AY8cuVcSMz5kC9TKnkocgOivVwizZLnv4hLMsTZgNPZKftoZvCZgVD Mki2Fq/S8yJ7v+4a4Ye38RT7mqN0yaA5jP357YP9KYrmxALA== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 43ccnmc1wy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Dec 2024 17:36:33 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 2D14140044; Wed, 11 Dec 2024 17:35:33 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 8996D22D462; Wed, 11 Dec 2024 17:35:02 +0100 (CET) Received: from localhost (10.48.86.108) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.37; Wed, 11 Dec 2024 17:34:59 +0100 From: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= To: Wim Van Sebroeck , Guenter Roeck , Maxime Coquelin , Alexandre Torgue CC: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= , Marek Vasut , , , , Subject: [PATCH] watchdog: stm32_iwdg: fix DT backward compatibility Date: Wed, 11 Dec 2024 17:34:57 +0100 Message-ID: <20241211163457.301140-1-clement.legoffic@foss.st.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 The commit 3ab1663af6c1 ("watchdog: stm32_iwdg: Add pretimeout support") introduces the support for the pre-timeout interrupt. The support for this interrupt is optional but the driver mandates the interrupts property in the device-tree, breaking the compatibility with existing device-trees. Use the platform_get_irq_optional() API to comply with existing device-trees. Fixes: 3ab1663af6c1 ("watchdog: stm32_iwdg: Add pretimeout support") Signed-off-by: Clément Le Goffic --- Please consider merging this patch in the v6.13 cycle to avoid breaking the compatibility of the existing device-tree. drivers/watchdog/stm32_iwdg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) base-commit: fac04efc5c793dccbd07e2d59af9f90b7fc0dca4 -- 2.34.1 diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c index d700e0d49bb95..8ad06b54c5adc 100644 --- a/drivers/watchdog/stm32_iwdg.c +++ b/drivers/watchdog/stm32_iwdg.c @@ -286,7 +286,7 @@ static int stm32_iwdg_irq_init(struct platform_device *pdev, if (!wdt->data->has_early_wakeup) return 0; - irq = platform_get_irq(pdev, 0); + irq = platform_get_irq_optional(pdev, 0); if (irq <= 0) return 0;