From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62FB3C61DD9 for ; Sun, 30 Aug 2026 12:51:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=X7vz4nVRNCVidNxKKyEjaAszHMWgeyA+S15JGuA6Vn0=; b=EvWmsCpB70z9upRbsuaduXGLG5 SMJu4ioLBNwNOJKrYY990/GTouF79wIN3/Pm9ciEzgSEoa4+/60NErThItMq0RKq4iKurV74Khyt3 QufPpeVb9t/CBRI0mwjdv/vbXE6/FMPFimwjbkVGoEnkl36c8ImLj55LPKZHCJdZc/TjLr1KxEKM4 KNdmVJozHIjtVv1WGyikm1L4eInJke3UqHRNXzu/K2fphgQIzfGMgHeOeibr+oEJYB/j6koov7ZZG MQ66eE6wpnrSb5W++PN82/sLTq/nWe+vLJR16aNzRrHcnOkEAkiyVNO96g2Q0J49bHYNMETZ6iNQy oGqWzGLg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x0ezy-00000007ieg-0z6b; Sun, 30 Aug 2026 12:50:58 +0000 Received: from smtp81.cstnet.cn ([159.226.251.81] helo=cstnet.cn) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x0ezv-00000007ieN-3r0f for linux-arm-kernel@lists.infradead.org; Sun, 30 Aug 2026 12:50:57 +0000 Received: from localhost.localdomain (unknown [111.196.241.250]) by APP-03 (Coremail) with SMTP id rQCowAAXGzkmJ5Rq8aKaBg--.26750S2; Sun, 30 Aug 2026 20:50:47 +0800 (CST) From: Pengpeng Hou To: Guenter Roeck Cc: Pengpeng Hou , Joel Stanley , Andrew Jeffery , Ryan Chen , Billy Tsai , Philipp Zabel , linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH] hwmon: aspeed-pwm-tacho: propagate reset deassert errors Date: Sun, 30 Aug 2026 20:50:44 +0800 Message-ID: <20260830125044.97718-1-pengpeng@iscas.ac.cn> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAAXGzkmJ5Rq8aKaBg--.26750S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Jw4kur43JF18KF47WFyxAFb_yoWkCwcE9r 48WF9rXrW3GrZ8ur1qyrWfZFWY9F9xu3ZY9rn0qwsxJF9Ivr98ur1vkrn8ZF1UG3sIqFy3 uF4DZrWfAw13ujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb3kFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26F4UJV W0owAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUAVWUtwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7x kEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E 67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8Jw CI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1x MIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIda VFxhVjvjDU0xZFpf9x0JUL0edUUUUU= X-Originating-IP: [111.196.241.250] X-CM-SenderInfo: pshqw1xhqjqxpvfd2hldfou0/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260830_055056_352428_EDFBF423 X-CRM114-Status: UNSURE ( 9.32 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org aspeed_pwm_tacho_probe() installs its reset cleanup action and configures the controller after an unchecked reset deassertion. Stop probing when the reset controller rejects the transition, before the hwmon device becomes visible. Fixes: 18c514cc0e02 ("hwmon: (aspeed-pwm-tacho) Deassert reset in probe") Signed-off-by: Pengpeng Hou --- drivers/hwmon/aspeed-pwm-tacho.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 1c5945d4ba377..bfce589c3fb1f 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -934,7 +934,9 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev) "missing or invalid reset controller device tree entry"); return PTR_ERR(priv->rst); } - reset_control_deassert(priv->rst); + ret = reset_control_deassert(priv->rst); + if (ret) + return ret; ret = devm_add_action_or_reset(dev, aspeed_pwm_tacho_remove, priv); if (ret) base-commit: 08dbfad3f5040f5bdb6c529da20d6d4e81fefd72 -- 2.50.1