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 A86702868AF; Tue, 12 Aug 2025 17:51:26 +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=1755021086; cv=none; b=SEkIX2xmXV7xk7st3ClMKKneCIzW+qfIjIrUPr8dXvCfga6ryvEBSfvRVf0xs+NN+T/+XVBjcAfXBB7AUFxI4Kpn2/qMXqVszpqGMP1GBSRgEO4jQyiK5msnDz55yVAC3RBnyuxL+wi5Vu/bxJvMUa+80gk1H3aEzQV0vvpfmHc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755021086; c=relaxed/simple; bh=rLPmHNh3vlPqo3iKX1fASVz1Qy/WltCZYPxwFn/k/k4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PLg2c+Kynf8hV+nihjnHVDHTyWYaM4UGscuYFIsZ6EqX0yfcVFt0KJbP2RhiADoxWddZLj1MixEeE1drZgyWuv9V4f3GqHjpllPWtjjRXQPwu1j5Qgm4z5GrWIzmNDmumyRuPr0LnW0uehirn/UKX0yteHUrkR6SXs8kJGtQP6Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=G72kcjZR; 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="G72kcjZR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32075C4CEF0; Tue, 12 Aug 2025 17:51:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755021086; bh=rLPmHNh3vlPqo3iKX1fASVz1Qy/WltCZYPxwFn/k/k4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G72kcjZRETmKkWc+5YCkiAgZyUGtHlZQK722trwv5I0NN/3a/TGw9SRrECDvk14CY lPz4N0LfUupuAIFlhWOLPZZkxUfjRDeGmdHKQMEDDRdvGwC8Ga07GwFTPD8A/NGaK8 JX7dYlE4v9mth8Re1GCLYpcZj05uTI9jcHDLFmhI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Maciej W. Rozycki" , Bjorn Helgaas , Sasha Levin Subject: [PATCH 6.1 209/253] powerpc/eeh: Rely on dev->link_active_reporting Date: Tue, 12 Aug 2025 19:29:57 +0200 Message-ID: <20250812172957.717862465@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812172948.675299901@linuxfoundation.org> References: <20250812172948.675299901@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: Maciej W. Rozycki [ Upstream commit 1541a21305ceb10fcf3f7cbb23f3e1a00bbf1789 ] Use dev->link_active_reporting to determine whether Data Link Layer Link Active Reporting is available rather than re-retrieving the capability. Link: https://lore.kernel.org/r/alpine.DEB.2.21.2305310124100.59226@angie.orcam.me.uk Signed-off-by: Maciej W. Rozycki Signed-off-by: Bjorn Helgaas Stable-dep-of: 1010b4c012b0 ("powerpc/eeh: Make EEH driver device hotplug safe") Signed-off-by: Sasha Levin --- arch/powerpc/kernel/eeh_pe.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c index e4624d789629..7d1b50599dd6 100644 --- a/arch/powerpc/kernel/eeh_pe.c +++ b/arch/powerpc/kernel/eeh_pe.c @@ -671,9 +671,8 @@ static void eeh_bridge_check_link(struct eeh_dev *edev) eeh_ops->write_config(edev, cap + PCI_EXP_LNKCTL, 2, val); /* Check link */ - eeh_ops->read_config(edev, cap + PCI_EXP_LNKCAP, 4, &val); - if (!(val & PCI_EXP_LNKCAP_DLLLARC)) { - eeh_edev_dbg(edev, "No link reporting capability (0x%08x) \n", val); + if (!edev->pdev->link_active_reporting) { + eeh_edev_dbg(edev, "No link reporting capability\n"); msleep(1000); return; } -- 2.39.5