linux-kernel - [PATCH v3 0/2] socfpga: fix hotplug/add suspend to ram

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Date:	Tue, 14 Oct 2014 14:33:37 -0500
From:	<atull@...nsource.altera.com>
To:	<dinguyen@...nsource.altera.com>, <linux@....linux.org.uk>
CC:	<pavel@...x.de>, <arnd@...db.de>, <s.trumtrar@...gutronix.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <delicious.quinoa@...il.com>,
	<yvanderv@...nsource.altera.com>,
	Alan Tull <atull@...nsource.altera.com>
Subject: [PATCH v3 0/2] socfpga: fix hotplug/add suspend to ram

From: Alan Tull <atull@...nsource.altera.com>

Patch 1: socfpga: hotplug: put cpu1 in wfi
  Use WFI when putting CPU1 to sleep.  Don't hold CPU1 in reset
  since that results in increased power consumption.  Only
  briefly reset CPU1.

Patch 2: socfpga: support suspend to ram
  * allocate space in ocram using sram driver
  * Add a function in ocram to do suspend to ram and
    place DDR in self-refresh

Alan Tull (2):
  socfpga: hotplug: put cpu1 in wfi
  socfpga: support suspend to ram

 arch/arm/mach-socfpga/Kconfig        |    1 +
 arch/arm/mach-socfpga/Makefile       |    1 +
 arch/arm/mach-socfpga/core.h         |    7 ++
 arch/arm/mach-socfpga/platsmp.c      |   19 ++--
 arch/arm/mach-socfpga/pm.c           |  150 ++++++++++++++++++++++++++++++++
 arch/arm/mach-socfpga/self-refresh.S |  157 ++++++++++++++++++++++++++++++++++
 arch/arm/mach-socfpga/socfpga.c      |   10 +++
 7 files changed, 337 insertions(+), 8 deletions(-)
 create mode 100644 arch/arm/mach-socfpga/pm.c
 create mode 100644 arch/arm/mach-socfpga/self-refresh.S

-- 
1.7.9.5

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