From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZoZ9OcA5Ph1wTjSgPffZtdSPruhB+kEJ6dRaHEeERd6SXvAZDFxdkWV5Y6MMHmUUalglvp+ ARC-Seal: i=1; a=rsa-sha256; t=1526280902; cv=none; d=google.com; s=arc-20160816; b=DonO2TvHAtskUi6tSHLKWJX6i62Tl10L8d0W1xVzBHaK6D6EJuwor7M2DT6MM41Ltf Ug7yrRtnhuIo8509EYhc3H5grMdZHI83ugPMCjG2OQnVo3CHj+kZJkWzyAUix0eOuNcU 7rZ0D/6d9h8siKUzyv4HzwRk6ZvF5UXzWgFj7qNTZXPFMji7tbvXMvvlMCS4Oxhvr55C w7EnTtPdZTMwq1xlrnsWkwC5hSiCaO5SUIvquNKAtnBdnqSAUwHo475o3FbHeyU8LKeu APCnKrp/+lu3E2PuhY2fUxPtq9N8DwnfxA6HCmSZ9GdYww4jBCgjvuguKuU7ozQnrhG7 mLUA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature:arc-authentication-results; bh=+rrBWuLA1DfvJkuMrKygUQbLRLXYy319ekb0t0xcpTc=; b=K+k1ZgC3f1IazbYKjk0KA8ox4TY9sAPrvkrC/M78oTuihRGxFl4FLe04jZlsgh6yua AECTEEphgDCppf+PTNugRJaXdcPu5P4shaGMJELGRQGreeNyikyqwxbD+ue6GHYLRo4o BC/zs8FXFmMe8fOoNogmYDLlrPbD9qwLNgErf894bntmjA4/k+hp4BvWSBHqQHPPlNGx l6DZDUPcSRlaaVjCKhqUvnt4cf4veIKGwEsrSfawdAc5Ru+721jKD7Q66fx5MbyrI8bv ae0cQY7B5Png1LYWVRAee6YZtjowtFHG4jruxjLdPeU3yl9olbnwny/YW5kD/P5DoNW2 TR8Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=yL3b2/S9; spf=pass (google.com: domain of srs0=ywzk=ib=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=ywzk=IB=linuxfoundation.org=gregkh@kernel.org Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=yL3b2/S9; spf=pass (google.com: domain of srs0=ywzk=ib=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=ywzk=IB=linuxfoundation.org=gregkh@kernel.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Richard W.M. Jones" , Hans de Goede , Tejun Heo Subject: [PATCH 4.9 21/36] libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs Date: Mon, 14 May 2018 08:48:55 +0200 Message-Id: <20180514064805.921745797@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180514064804.252823817@linuxfoundation.org> References: <20180514064804.252823817@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1600421262061858656?= X-GMAIL-MSGID: =?utf-8?q?1600421523995257819?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede commit 184add2ca23ce5edcac0ab9c3b9be13f91e7b567 upstream. Richard Jones has reported that using med_power_with_dipm on a T450s with a Sandisk SD7UB3Q256G1001 SSD (firmware version X2180501) is causing the machine to hang. Switching the LPM to max_performance fixes this, so it seems that this Sandisk SSD does not handle LPM well. Note in the past there have been bug-reports about the following Sandisk models not working with min_power, so we may need to extend the quirk list in the future: name - firmware Sandisk SD6SB2M512G1022I - X210400 Sandisk SD6PP4M-256G-1006 - A200906 Cc: stable@vger.kernel.org Cc: Richard W.M. Jones Reported-and-tested-by: Richard W.M. Jones Signed-off-by: Hans de Goede Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- drivers/ata/libata-core.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4422,6 +4422,9 @@ static const struct ata_blacklist_entry ATA_HORKAGE_ZERO_AFTER_TRIM | ATA_HORKAGE_NOLPM, }, + /* Sandisk devices which are known to not handle LPM well */ + { "SanDisk SD7UB3Q*G1001", NULL, ATA_HORKAGE_NOLPM, }, + /* devices that don't properly handle queued TRIM commands */ { "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, },