From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: Re: [PATCH v3 0/2] ARM: at91: properly handle LPDDR poweroff Date: Tue, 17 Jan 2017 00:26:46 +0100 Message-ID: <20170116232646.ivoh5dhr56j4ihgp@earth> References: <20161025093759.20913-1-alexandre.belloni@free-electrons.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8050814533920366162==" Return-path: In-Reply-To: <20161025093759.20913-1-alexandre.belloni@free-electrons.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Alexandre Belloni Cc: Jean-Jacques Hiblot , linux-pm@vger.kernel.org, Dmitry Eremin-Solenikov , Nicolas Ferre , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-pm@vger.kernel.org --===============8050814533920366162== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ucwjv4af2zaf5xif" Content-Disposition: inline --ucwjv4af2zaf5xif Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Alexandre, On Tue, Oct 25, 2016 at 11:37:57AM +0200, Alexandre Belloni wrote: > This patch set improves LPDDR support on SoCs using the Atmel MPDDR contr= oller. >=20 > LPDDR memories can only handle up to 400 uncontrolled power offs in their > life. The proper power off sequence has to be applied before shutting dow= n the > SoC. >=20 > I'm not too happy with the code duplication but this is a design choice > that has been made before because both shutdown controllers are really > different apart from the shutdown itself. >=20 > I guess it is still better than slowly killing the LPDDR. Sorry, I totally forgot about this one. I queued it into my for-next branch using an immutable topic branch, in case you need the patch against the arm include to also go through arm-soc. Feel free to use or ignore it: The following changes since commit 7ce7d89f48834cefece7804d38fc5d85382edf77: Linux 4.10-rc1 (2016-12-25 16:13:08 -0800) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git = tags/ib-psy-arm-at91-4.11 for you to fetch changes up to 0b0408745e7ff24757cbfd571d69026c0ddb803c: power: reset: at91-poweroff: timely shutdown LPDDR memories (2017-01-16 2= 3:21:33 +0100) ---------------------------------------------------------------- immutable branch between ARM at91 and power-supply for v4.11 ---------------------------------------------------------------- Alexandre Belloni (2): ARM: at91: define LPDDR types power: reset: at91-poweroff: timely shutdown LPDDR memories drivers/power/reset/Kconfig | 2 +- drivers/power/reset/at91-poweroff.c | 54 ++++++++++++++++++++++++++++= +++++++++++++++++++++++++- drivers/power/reset/at91-sama5d2_shdwc.c | 49 ++++++++++++++++++++++++++++= ++++++++++++++++++++- include/soc/at91/at91sam9_ddrsdr.h | 3 +++ 4 files changed, 105 insertions(+), 3 deletions(-) -- Sebastian --ucwjv4af2zaf5xif Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAlh9VrYACgkQ2O7X88g7 +poFvg/8CwqWyFttar2DsS9Es7Pb456Ihat1ES7xy7qBGom3DOzpikm0yzL1TqZr YGr3xDXj6yILfhU6FOKxp5KSXfMMljaLfZ3SfW2FT+bUh7XmgGPPErwGT1FJw9si hqQvp0JO79VWnSsbDjXamNrfnXgAidSvg9j+g2Hc62YsjpIIl3pjacL4DGrt8xWj QZc9mA7NnfCTqerfxvpOmIP7Bb9f4+aLf3C++FkqXAy9QIKvtWOGrLizUJjXOlmn 6wzvl2tt9LWEhTQK17CQC48gdSSNqf4jR6FQC517LvUtpW7OfIcdYg8zJkUeagzw 8N8P2+AmkriBco5MD7yuXlBid3RO+nqsswJSpWgowT/VzR52uqKvlqrZNa5/dmuE AbVACHWwJFKyFp9l7Mq/RK308AoRrzuQIZBY7r3hOAhNAaHgqfvT0kGoB7uJutOZ r22zPwNnJVQXyPiOX3jz1IZycA5Yy71jdVsgNomts5Nmy3H5vudGTsYr3sYkyuux MBJ1enl/J/JcM2QQzerKrXYVyTaICcCZgNkxlu5jLj5X4eaixd+l05uFYFabrIgM Z0EWEg91E3n2eHkgey9NSX0sBpB1/ec5MP4yHk20OeEcMVTfA7K0jbAOypSm4gFp 89KGOaaz59oHfp52AoqsWMIvWJodqpHQu+E8PzZ6AMfLJgc1LWs= =i5vG -----END PGP SIGNATURE----- --ucwjv4af2zaf5xif-- --===============8050814533920366162== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8050814533920366162==--