From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (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 5A8FD377ED7 for ; Fri, 7 Aug 2026 08:05:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786089921; cv=none; b=WSrAVdkiXfId7PUvg64H5FsR6n/b/L8AMJ780CAnO5xChMDtNZnP07qTIdHUcO8z5sUxEfrIAv8vO0FRVomWldEjmit0cOQLiCgs2JFP+uNaEmU7GCHn+caRTo9DbhGjkoL9O+1OwUE1Oq/l0QTcs+EAaiUH6GQKTtRIcvx26ew= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786089921; c=relaxed/simple; bh=VJEqFmIMaXu9sUCszrH0NerfQhdCPrwOn08E9fRD+0c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=QjYWuziKBqh9iW++Uy0sUPHRMKbq5GBbAL6dw4ES1WeqMxk2zt4ZG0btQOt0FV7OY9zL8zcCsWeDqRnVIKysilDtwdivqSnzH69wpBpBy64CFNLuXrITDEyLMilhU5pNBos6gzxhD6kObGH9krKwXfkCLrwwBdoqWClCaMOhcbg= 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=afW5FP7/; arc=none smtp.client-ip=209.85.214.169 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="afW5FP7/" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-2cfff5f88dbso44886115ad.3 for ; Fri, 07 Aug 2026 01:05:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1786089918; x=1786694718; 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=LC4v35vhZtMejQWnehiMNguB6SbMB/Zs6JddkjPBTUQ=; b=afW5FP7/4up9TTt8Wm4D6WtJq6LECJQhY6ACIoaihANPHsiX288KKusLhAIpXbB3Tl v0HHJ9T2OQV0qzBFX4Fzs5NVbVmpgXSQoIo1WWqpO6SMhYbvHqpLzZDrZRFkOrDr76/d jHkSDbjMY5HY+I5McDzXtkCKUZb9DYWuEnPyIHkF/WuSCKyFQQg1n5h1h7TyjAArqv6t vduTn8oT0Hl/Wy0viaMooQrr0k0kWjahJvk6ZRrYR4Og2A3+osCeskmAPqbPccWlezB1 wij1e5qXZNGFoNRGi1mGKbkA0CTCoWVOM9/AcXNbTbxrKlxx/D3LMquzew0WxrgrV7nm U2Bg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786089918; x=1786694718; 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=LC4v35vhZtMejQWnehiMNguB6SbMB/Zs6JddkjPBTUQ=; b=S/NJ79u+NQloI3Bf4d87+ot7A71+1EpKwfyodcCeqE5MYKTc3XC20c7EzUoTRUTYx+ bQTY8vxmD9v1wKC5p4nYXNTrgBw3Bh1JSy3Z1POonqygZ52xIXykhiCB3G7YYAje962f oP0LkQYh2AmUYf/0s+OHILb7PUWk1erCAUVzlsGxzYXqf0tozZBMUOL+QGF6a0ankj1O wMgFMKzJDl/O9Xs4Ku2+tfSqiSdljdsWhW9PtA4OpQAvgMfCJGFwpqkIFFCn8MXn1bw3 7+7OYgYBznliLw+TDPNfFvJx93AqSaohBddlchTLPVgD4UwhSsOG95xBmCy2qPs5VRdi nKRQ== X-Gm-Message-State: AOJu0Yz7/Awo00y34qqO6EsWnaRb4d9GBmG69/OM/Z4EmnIqvpDhoDmx hczFKXJodNiOfrS6ypLoG0Y6cu9NAAmK22K17lgkbF42xLpLpczGwlni X-Gm-Gg: AR+sD1350eQz8H16TRViqjdqNR1J9TKBO0AZpJG89A1ry5zXYouNV21I4rs1+LOoqvX Q8NAKv7zTZoG7a8ZPGNg1y0xaHo6XgZLGVFW42vsSRx3N5NZWOribhzbqdUroK+2VwZNRyWakwk YIM6Z40JSk+02NUvnOeX0Swn6EMWhO9XM0uVRN9ukkl8uePrwEhLB0N/0opdnuRUE2Edu10/3af LvXHYs+1ArhuAIfNd3iUpUWbcgty5NkTCKusHVk/vciBJfhtcXaiDpjd1BQOkPztsJaWT9/idrz dG36p0YqzR7ONh+gyOHZ4QjNyryX1CPFE5KELmLxL5QpZEeP1iq/sXzLA/Zt5dF3PLbgkFYl1kl Ewl8ujk4B7Im/rk3tFeTqWzJa0uPB4Z3fTUNrOUB/gDnetSGOLhdw6OTHF4hLw8+1DYloqgK4xZ CXGr0RkirzItgFZzvniGou9JlPPW9K2ml7GzYzvPDDtGsmWZpLpmmcW8bO6IJLtSPqcbhrJ6V05 NNaHHXMkZVFkb/xDMUQZrAZiq81YZJ5l3m/VCNqIuV5QK8fS677M9KWjc7AQPS6qiBBKZld7m/B 9x4G X-Received: by 2002:a17:902:eccc:b0:2ca:481:de45 with SMTP id d9443c01a7336-2d0ca71b437mr210831635ad.6.1786089918382; Fri, 07 Aug 2026 01:05:18 -0700 (PDT) Received: from phuc-desktop.. ([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d16c4a773esm5055305ad.65.2026.08.07.01.05.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 01:05:17 -0700 (PDT) From: phucduc.bui@gmail.com To: Wim Van Sebroeck , Guenter Roeck , Maxime Coquelin , Alexandre Torgue , linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bui duc phuc Subject: [PATCH v2 1/2] watchdog: orion_wdt: Propagate errors from optional IRQ lookup Date: Fri, 7 Aug 2026 15:04:46 +0700 Message-ID: <20260807080447.35479-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@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 IRQ is available, while other errors should be propagated. Propagate errors such as -EPROBE_DEFER and -EINVAL instead of continuing probe without the IRQ. Signed-off-by: bui duc phuc --- Link v1: https://lore.kernel.org/all/20260806062812.26523-1-phucduc.bui@gmail.com/ Changes in v2: - Update the commit message and error handling. - Propagate all errors from platform_get_irq_optional() except -ENXIO, instead of only handling -EPROBE_DEFER. drivers/watchdog/orion_wdt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 0e145f762f6f..f79a14c4e222 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -606,6 +606,8 @@ static int orion_wdt_probe(struct platform_device *pdev) /* Request the IRQ only after the watchdog is disabled */ irq = platform_get_irq_optional(pdev, 0); + if (irq < 0 && irq != -ENXIO) + return irq; if (irq > 0) { /* * Not all supported platforms specify an interrupt for the -- 2.43.0