From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794590320; b=yOSNmATWhruQshwM0cZxocKCpPYwb3+/4MFIXzoDCxK6UygOgM769CyJa0yS22yvpROg FhYYbg6Smwg2kSFa1JPnw+RH1QRvpcUh0LS4ZSOPpkLalE0jL5NBFPc5dEExDUMMeWAnV 4R9xEeKQR9Zaj4li3K10vdRgz5/W4/8LE4LYd+lz6pPEZeolnuXYNJcgmipBwOEeSXXIT YvIzDY83cKPiuMM/1tzmHH0run4WQAkhVeoIbgIlxX1JQqSoS+KqcIr+c7PmM46WY0+vR ijZUAVv81hseqv6C9Nc+yBaTS0CNH1ViEProtkV7bmWewsRTvmRtE5uBGF4KYO6OoHA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794590320; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=/NWSX3CZNmifZUAaTsZarzABfOjwX+FAhr2Czq8d/rM=; b=UYbXbyfzFeg7uesHTGoRpzipkgHQQ8fU/gokCUW9F+RY/BhNUf92MVaU5t5+5bngW8B2 o13HU6OoMHCYroLRDTRtyC88BeR+0TxQhTNvCZQBRso6+XwMq4jUg5qE7aeC4Lc5bp9Vn LQIyIf9zpGXSU93vwQoeZ3tzu1AkY6m5jlA0GGOKkft5IIr4vGtxZ3/DoiWaSTV+6bDYF +bNJLxnQ9xMwXHuKu8jGKsp81URoZr+msSavMczpHKBNdvZvhs+nDbhrT+oWohuhfuJoB vb456ZlGst/Jb2WUXwSY7cHiDMm+vUFr5VjLFBk1ToIwFbr61+Q9/OSAdQZ/wxQPG7g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=gLKiGQay; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E1E0606E214; Fri, 13 Nov 2026 17:18:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=gLKiGQay Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B1431F000C8; Fri, 13 Nov 2026 17:18:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794590319; bh=/NWSX3CZNmifZUAaTsZarzABfOjwX+FAhr2Czq8d/rM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gLKiGQaybeMDJiHkDORzXaY5GnMkFagKN7LXbeVHGU5FURp0XtHoLzjUeqqmpiVTX ZUfkc7v6Z6VgOH4/W2Bv5HytF8TP3UmchRwPHTfZ8pm1WHZOFTXd++7AespyP3JjX7 hkTJWNvrpXqjkOf8R4vFbBYYSUz/JUquujoB0aMc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Javier Carrasco , Guenter Roeck , Sasha Levin Subject: [PATCH 6.18 275/686] hwmon: chipcap2: defer probe when IRQs are unavailable Date: Fri, 13 Nov 2026 10:46:48 -0500 Message-ID: <20261113153830.322105606@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261113153820.902362109@linuxfoundation.org> References: <20261113153820.902362109@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Javier Carrasco [ Upstream commit b5a1412618f93b594f924cf4f3b4bb6b5dc49d41 ] This device can work with or without interrupts, but if they are provided and still not available, but if -EPROBE_DEFER is read, its value must be propagated to enable probe retries. Fixes: 3af350929e75 ("hwmon: Add support for Amphenol ChipCap 2") Cc: stable@vger.kernel.org Signed-off-by: Javier Carrasco Link: https://patch.msgid.link/20261014-chipcap2_locks-v3-4-27ebfc2c5b9e@gmail.com Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/chipcap2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/hwmon/chipcap2.c b/drivers/hwmon/chipcap2.c index b7b59ca4a4f9d..34c3e26211458 100644 --- a/drivers/hwmon/chipcap2.c +++ b/drivers/hwmon/chipcap2.c @@ -624,6 +624,8 @@ static int cc2_request_ready_irq(struct cc2_data *data, struct device *dev) int ret = 0; data->irq_ready = fwnode_irq_get_byname(dev_fwnode(dev), "ready"); + if (data->irq_ready == -EPROBE_DEFER) + return data->irq_ready; if (data->irq_ready > 0) { init_completion(&data->complete); ret = devm_request_threaded_irq(dev, data->irq_ready, NULL, @@ -641,6 +643,8 @@ static int cc2_request_alarm_irqs(struct cc2_data *data, struct device *dev) int ret = 0; data->irq_low = fwnode_irq_get_byname(dev_fwnode(dev), "low"); + if (data->irq_low == -EPROBE_DEFER) + return data->irq_low; if (data->irq_low > 0) { ret = devm_request_threaded_irq(dev, data->irq_low, NULL, cc2_low_interrupt, @@ -654,6 +658,8 @@ static int cc2_request_alarm_irqs(struct cc2_data *data, struct device *dev) } data->irq_high = fwnode_irq_get_byname(dev_fwnode(dev), "high"); + if (data->irq_high == -EPROBE_DEFER) + return data->irq_high; if (data->irq_high > 0) { ret = devm_request_threaded_irq(dev, data->irq_high, NULL, cc2_high_interrupt, -- 2.53.0