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arc=none (no signatures found); dkim=fail (message has been altered, 2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=gTICV1sr x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass (Domain org match); x-category=clean score=-100 state=0 spamcause=gggruggvucftvghtrhhoucdtuddrgedtgedrudefgdejjeculddtuddrgedtfedrtddtmdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfhrghsthforghilhenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvffukfhfgggtuggjfghsphejsehttdertddtredvnecuhfhrohhmpefvvghjuhhnucfjvghouceothhjsehkvghrnhgvlhdrohhrgheqnecukfhppedvtdelrddufedvrddukedtrdeijedpvdeivddtmedutdgumegttdeludemvddttdemmedvmeejvdgsgeenucfrrghrrghmpehinhgvthepvddtledrudefvddrudektddrieejpdhhvghlohepvhhgvghrrdhkvghrnhgvlhdrohhrghdpmhgrihhlfhhrohhmpeeoshhtrggslhgvqdhofihnvghrsehvghgvrhdrkhgvrhhnvghlrdhorhhgqecuuefqffgjpeekuefkvffokffogfcuuffkkgfgpeegfeeggeenucevlhhushhtvghrufhiiigvpeeg; x-google-dkim=fail (message has been altered, 2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=ZUJZjN/J; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755497AbeCSPh5 (ORCPT ); Mon, 19 Mar 2018 11:37:57 -0400 Received: from mail-yb0-f195.google.com ([209.85.213.195]:34179 "EHLO mail-yb0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755892AbeCSPh0 (ORCPT ); Mon, 19 Mar 2018 11:37:26 -0400 X-Google-Smtp-Source: AG47ELtArPwBMW5ejnbc1XGB0B7fNed90yHshjppKkcLfei9M7uFfvN55+MKvnpQNtWr/rphpbR7eg== Date: Mon, 19 Mar 2018 08:37:22 -0700 From: Tejun Heo To: Hans de Goede Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/3] libata: Apply NOLPM quirk to Crucial M500 480 and 960GB SSDs Message-ID: <20180319153722.GP2943022@devbig577.frc2.facebook.com> References: <20180319153400.25694-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180319153400.25694-1-hdegoede@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, Mar 19, 2018 at 04:33:58PM +0100, Hans de Goede wrote: > There have been reports of the Crucial M500 480GB model not working > with LPM set to min_power / med_power_with_dipm level. > > It has not been tested with medium_power, but that typically has no > measurable power-savings. > > Note the reporters Crucial_CT480M500SSD3 has a firmware version of MU03 > and there is a MU05 update available, but that update does not mention any > LPM fixes in its changelog, so the quirk matches all firmware versions. > > In my experience the LPM problems with (older) Crucial SSDs seem to be > limited to higher capacity versions of the SSDs (different firmware?), > so this commit adds a NOLPM quirk for the 480 and 960GB versions of the > M500, to avoid LPM causing issues with these SSDs. > > Cc: stable@vger.kernel.org > Reported-and-tested-by: Martin Steigerwald > Signed-off-by: Hans de Goede Applied 1-3 to libata/for-4.16-fixes. Thanks. -- tejun