From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Subject: Re: [PATCH] Add support driver for Intel Rapid Start Technology Date: Tue, 02 Jul 2013 15:31:38 -0700 Message-ID: <51D354CA.7010305@infradead.org> References: <1372804061-2260-1-git-send-email-mjg59@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from merlin.infradead.org ([205.233.59.134]:55151 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753373Ab3GBWcN (ORCPT ); Tue, 2 Jul 2013 18:32:13 -0400 In-Reply-To: <1372804061-2260-1-git-send-email-mjg59@srcf.ucam.org> Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Matthew Garrett Cc: linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org On 07/02/13 15:27, Matthew Garrett wrote: > Intel Rapid Start Technology is a firmware-based suspend-to-disk > implementation. Once placed in S3, the device will wake once either a > timeout elapses or the battery reaches a critical level. It will then resume > to the firmware and copy the contents of RAM to a specialised partition, and > then power off the machine. If the user turns the machine back on the > firmware will copy the contents of the partition back to RAM and then resume > from S3 as normal. > > This driver provides an interface for configuring the wakeup events and > timeout. It still requires firmware support and an appropriate suspend > partition. > > Signed-off-by: Matthew Garrett > --- > .../ABI/testing/sysfs-driver-intel-rapid-start | 21 +++ > drivers/platform/x86/intel-rst.c | 209 +++++++++++++++++++++ > 2 files changed, 230 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-rapid-start > create mode 100644 drivers/platform/x86/intel-rst.c Kconfig and Makefile changes? Is RST described in the current ACPI spec or somewhere else? thanks, -- ~Randy