linux-kernel - Re: [PATCH] Add support driver for Intel Rapid Start Technology

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Date:	Tue, 02 Jul 2013 15:31:38 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH] Add support driver for Intel Rapid Start Technology

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 <mjg59@...f.ucam.org>
> ---
>  .../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
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