From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0F4F188596 for ; Fri, 14 Aug 2026 04:30:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786681852; cv=none; b=sdBkgaRQAz7MRUePffLiEPg698yS87Fwc+xFq8j4+8CFnfB8RcSveg9Ik67g4D1I4/ZZD/+3xPd7eVNhw+7aMcuMY76cobzeDrb5oe/Zeoadlh1rfNWHL+6OFI0AwhIjKoliR9DXjm3A6vbo5a/CZZA4MAPPayDwdkbj/Trh7s4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786681852; c=relaxed/simple; bh=4KCnqVQDlWdyKaqx/KhQW2psT0i14vWDF6EVdsu+UyE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=qibbwpEkXUMyfcY9uGWg2m/tEIxiTWc5erf6wMIDxUwO57BTuvvfyZ26KvXJcTqll78ftiTDOmiORrAWw/ZcIS7mL517BnNgt5dl0LfYIPQUk98t8Ie5NzH+G3IoBFAxasnXNJP1e1cmRfjWKtloyD250ZhEM0DhzXfA2R6I6nA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=i+aH+Un6; arc=none smtp.client-ip=209.85.215.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="i+aH+Un6" Received: by mail-pg1-f178.google.com with SMTP id 41be03b00d2f7-c9cf07d2df6so328458a12.2 for ; Thu, 13 Aug 2026 21:30:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786681849; x=1787286649; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=qvANg5zc7J/43jqLr7o14P5MGpb13Q3fQH2jlPVDkV0=; b=i+aH+Un68a5BeXHy9F4JxbkODvxEJuC2LZ1fuRcTD4Nf0xFFh6qp5rRBGlCXN7HN6v nTr62X9grl4ptvAgFB0S5HXiYPpT7qHRbdjKh2YNlx549MLw5gmLQiaz5mNJaimrxUdI /Da9UuIr9Fy7/SzaH6m36vzCN3+2k2Ss1AOWv4MXIZb3i2gLEI555nvwvW35DgFyaafa LyZX51tnWIxJ6gbdH3Di0nHi6Bh6Hddrvrqn7S5wBfmMUb6/B0ZFVXdzEc9zqJ9i+190 kNvc9Qu8Q5Xzris4dRB4fusqC/4yCiLW2al7jWwWUjCh6Q/1+/s3lij231u7Xyo+oJyy 9Zqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786681849; x=1787286649; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=qvANg5zc7J/43jqLr7o14P5MGpb13Q3fQH2jlPVDkV0=; b=nG4sYYFxx6s9W/O3h/AKSKYvFm4VxyXqgjGPMMmtte6NCRqUtqu5393DruZxmQQUCr /Q9ToVIzfBLFgbOKEDSGmSpa/xwVMVwE7ztm3euWCtB0CC20np+z0gOHuAJ6ggbwhwzB XelB2k8uKjAgQEbWK/EMqRnYZ/CQdjRV5SyomZ2etb4x/HYkPeVwG1SNYlPBVEJUEDUW lKnmBJGKVc4JRWnqUa/7iMk6OBp3AFo1cumauhOPBCQ+oEbU6kgfUBrBsj75or3wZdYQ k4iwSotK4FerYQVE/HmoLOhEjOtFddI3I0NfWV+/t8rnY5B7cZL8nqMq7BTHBbUv1dxm VoMA== X-Forwarded-Encrypted: i=1; AHgh+RpWX4VTmvG9xChlggZa1eI36uRUafOmoFDb9x3QpM5i4ud9oEKiPehzqzTED13BDqtsqvhWSBJesEnV@vger.kernel.org X-Gm-Message-State: AOJu0YxTsoElpu3Q0Ot/RsUSMIt/651U2glztEfwi+N67VRrcnX2ktoG pT+3qO4pVJFwFBsaEtZ0BCXCOc3Fkd00wONHPBqDNCYewI4QpxZYdDQQ X-Gm-Gg: AR+sD13boqr2UowN9FWJwViC7kUrCrNGtPZIeNVi6Z0BawjiNKxBaH6FKPMT/eSg9Cn x3qO1jWl3ont+2TBfqyC6f/wonmKYjy0LcRitizQD7RmNJ2QcpzAxIbHdGpurxlrjxDU4lCRA2t azx8CZe0tOrFVI+CToJBcY+MDoPthsl57atET1899n94pZV9d8aNVnwsf5ug+9QJDXL7Lgjqung 7/DaOdigq+qwMeQ1ZzkeEtLTBAgPo9iPqNHRxx+evLLFqTse9k9w5bPeAGBVK6ycQc8rZDvwO1y svdTNKHKBWlMEY4HiYDn9Fan3p9G+qxkwFmvPjUEgIuYY+Xp6LVffwUYNekiJCXNM/2U++hstJn Et8VItOzLxzbO0I23UGpJ9Mkwi5YMNSoE5iKxvfowWK6JMgERmt3qpYxO7XOA37NYnT2tcw1Lxu A5zzV9Kcy1iI5jDShmMMdH9GsCQ9s4G1c5PjgAthCf1Fmrb54h1WnlDUnrfc9qsudvkeaZY/SWh yLLzr2I/0jKexpIfomj7prAgrgmX73xd2evqTr34jRoDjHrZlc4UV0PgS+SEg9QYZ0jMhLI0S7Z 8q0GfiFjuiZ6QVs= X-Received: by 2002:a05:6a20:d705:b0:3c3:a1ed:3c23 with SMTP id adf61e73a8af0-3cc71ccc517mr3434194637.23.1786681849141; Thu, 13 Aug 2026 21:30:49 -0700 (PDT) Received: from phuc-desktop.. ([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cbef6a5aaf4sm1823555a12.13.2026.08.13.21.30.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2026 21:30:48 -0700 (PDT) From: phucduc.bui@gmail.com To: Adrian Ng , Linus Walleij , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: bui duc phuc Subject: [PATCH 1/4] gpio: realtek-otto: Handle errors from optional IRQ lookup Date: Fri, 14 Aug 2026 11:30:25 +0700 Message-ID: <20260814043028.12548-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available. Other errors, such as -EPROBE_DEFER and -EINVAL, should be propagated so that the caller can handle them appropriately. Propagate negative errors other than -ENXIO. Signed-off-by: bui duc phuc --- drivers/gpio/gpio-realtek-otto.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-realtek-otto.c b/drivers/gpio/gpio-realtek-otto.c index 4a606bad5848..5d7d28a26544 100644 --- a/drivers/gpio/gpio-realtek-otto.c +++ b/drivers/gpio/gpio-realtek-otto.c @@ -423,6 +423,8 @@ static int realtek_gpio_probe(struct platform_device *pdev) ctrl->chip.gc.owner = THIS_MODULE; irq = platform_get_irq_optional(pdev, 0); + if (irq < 0 && irq != -ENXIO) + return irq; if (!(dev_flags & GPIO_INTERRUPTS_DISABLED) && irq > 0) { girq = &ctrl->chip.gc.irq; gpio_irq_chip_set_chip(girq, &realtek_gpio_irq_chip); -- 2.43.0