From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 21AAC29A0; Wed, 7 May 2025 18:47:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746643635; cv=none; b=TeS1fXsf1r68Kt2dbe2wWVCLD+lNGNn4kSA2NuNFjXqYJG9nV3/pMTUIiBuy4JKGUbmfI5817fA6pq5SVc2ajioNHOl/o8ouxCOKEhmhbA8+cEtuA/G6V3P9DNVgTH7O1D/jHJQgD4Tog/xceAjpxQ5anJfK9eKKONk1kiEUUPc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746643635; c=relaxed/simple; bh=u5I0WxRp3+gSYhpQlxAByfnrLOgpgBdVKOZ0HadreII=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ceR5zdVeL06EUtdtfJ5R27wSNnk6cm4UiZkrqhzzB4URmLIa0exq2T4xGZPAemTP8+Z11bME3jzTIy1pN6SmMsYsskqy0K+WpPugL3aLGEbJyO7yXYY6GW1fIXd9xrcP93B+X2KQkT0Fd4NeEDGajRYTR2MPC7HfKTTrxW1MdS8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qiwepQt+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qiwepQt+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9EB08C4CEE2; Wed, 7 May 2025 18:47:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1746643635; bh=u5I0WxRp3+gSYhpQlxAByfnrLOgpgBdVKOZ0HadreII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qiwepQt+AU22aWReKN9CkKw3NaEM34IndLhCjy7NRpUenE4PWTNbYLmbOKRaYNoqf 7vipMQElXLr8EUCabxJUolZajqFcYtWodmdGESabmmYc+Rtag8qZyGd6wLMmK0nL1g OYMQiUvpRRdBj2sW3OqYAt7enDCw/xnXLsn+Xc78= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Jijie Shao , Vadim Fedorenko , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.1 67/97] net: hns3: defer calling ptp_clock_register() Date: Wed, 7 May 2025 20:39:42 +0200 Message-ID: <20250507183809.690875515@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250507183806.987408728@linuxfoundation.org> References: <20250507183806.987408728@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jian Shen [ Upstream commit 4971394d9d624f91689d766f31ce668d169d9959 ] Currently the ptp_clock_register() is called before relative ptp resource ready. It may cause unexpected result when upper layer called the ptp API during the timewindow. Fix it by moving the ptp_clock_register() to the function end. Fixes: 0bf5eb788512 ("net: hns3: add support for PTP") Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Reviewed-by: Vadim Fedorenko Link: https://patch.msgid.link/20250430093052.2400464-5-shaojijie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c index 4d4cea1f50157..b7cf9fbf97183 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c @@ -452,6 +452,13 @@ static int hclge_ptp_create_clock(struct hclge_dev *hdev) ptp->info.settime64 = hclge_ptp_settime; ptp->info.n_alarm = 0; + + spin_lock_init(&ptp->lock); + ptp->io_base = hdev->hw.hw.io_base + HCLGE_PTP_REG_OFFSET; + ptp->ts_cfg.rx_filter = HWTSTAMP_FILTER_NONE; + ptp->ts_cfg.tx_type = HWTSTAMP_TX_OFF; + hdev->ptp = ptp; + ptp->clock = ptp_clock_register(&ptp->info, &hdev->pdev->dev); if (IS_ERR(ptp->clock)) { dev_err(&hdev->pdev->dev, @@ -463,12 +470,6 @@ static int hclge_ptp_create_clock(struct hclge_dev *hdev) return -ENODEV; } - spin_lock_init(&ptp->lock); - ptp->io_base = hdev->hw.hw.io_base + HCLGE_PTP_REG_OFFSET; - ptp->ts_cfg.rx_filter = HWTSTAMP_FILTER_NONE; - ptp->ts_cfg.tx_type = HWTSTAMP_TX_OFF; - hdev->ptp = ptp; - return 0; } -- 2.39.5