Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 B0BD34DEC07; Thu, 17 Sep 2026 18:08:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789668523; cv=none; b=LKG79jcfBV/78W/3hYLEu4geX9vfHfhyCQqKfS9abCsB6JyYbc9rvdFZU8xMeUqyiWAAj/+xb8MzmbWhPt/wYLX+JoEzrmknJZZmQxAEv2xWtY0yW2Vt6mjibnJYf/XCSYrXdNwqdeL9Uyb0mbp3uV6NAEgvmkkkEEptw+3X7c0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789668523; c=relaxed/simple; bh=ERxRefnY2KY+Aw1wsBN91/roDxNHq52aopow1nsVDlk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UN9E2PQaprPTTNXraXePHJgdfIrlwCwoqc1aWR8+sSVrFzk7QWq6J+p4AxMSyCYDOP3c5ReOjYz25iaqh3mkg0Dbj6H2rpSl1Z6TbgC8njiW+NkzUrsLIr8nwaUHLpsJphu9lwLsNDRgrlKucBliMXlgI0XGIeW+VEMWL2KKibU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=BCIqx5Hy; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="BCIqx5Hy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08E3C1F000FF; Thu, 17 Sep 2026 18:08:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789668522; bh=D+gOVvCDgd1aO/gXZut1UrXw5X4YlD7dKeqECNMAIUQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=BCIqx5Hy+TK/LAiTHgN1X8zSRZPw7t1PKOM8xPPECvW1vjMA9EK3xyy1ba+9zbRbp JsCc34GgVBu19MXqqUX/x4JLuE6iac2v80rvXjIYxd7HmsdzIDpRsO6e7D3NJ3nThU MYK5xt9OaQdg/wIq+EkeCtxN1+h741n5QopVohZQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Niklas Cassel , Damien Le Moal , Sasha Levin Subject: [PATCH 6.12 0451/1102] ata: libata-core: Disable LPM on some WD drives Date: Thu, 17 Sep 2026 16:06:34 +0100 Message-ID: <20260917151551.009570281@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151539.408551884@linuxfoundation.org> References: <20260917151539.408551884@linuxfoundation.org> User-Agent: quilt/0.69 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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Niklas Cassel [ Upstream commit 356d8241cf3c7b07a4a491dbab43b5a41513ca86 ] According to a user report WDC WD100EFGX-68CPLN0 and WDC WD102KFBX-68M95N0 have problems with LPM. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220693 Signed-off-by: Niklas Cassel Signed-off-by: Damien Le Moal Signed-off-by: Sasha Levin --- drivers/ata/libata-core.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 89cb03a5e8888..816f756c5b094 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4317,6 +4317,14 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = { { "WDC WD3000JD-*", NULL, ATA_QUIRK_WD_BROKEN_LPM }, { "WDC WD3200JD-*", NULL, ATA_QUIRK_WD_BROKEN_LPM }, + /* + * WD drives with LPM issues (irrespective of supported SATA speeds). + * (Unlike ATA_QUIRK_WD_BROKEN_LPM, which is only applied if the drive + * exposes SATA Gen1 speed support, and SATA Gen1 speed support only.) + */ + { "WDC WD100EFGX-68CPLN0", NULL, ATA_QUIRK_NOLPM }, + { "WDC WD102KFBX-68M95N0", NULL, ATA_QUIRK_NOLPM }, + /* * This sata dom device goes on a walkabout when the ATA_LOG_DIRECTORY * log page is accessed. Ensure we never ask for this log page with -- 2.53.0