From mboxrd@z Thu Jan 1 00:00:00 1970 From: dinguyen@opensource.altera.com (Dinh Nguyen) Date: Wed, 15 Oct 2014 14:50:32 -0500 Subject: [PATCH v3 0/2] socfpga: fix hotplug/add suspend to ram In-Reply-To: <1413315219-28885-1-git-send-email-atull@opensource.altera.com> References: <1413315219-28885-1-git-send-email-atull@opensource.altera.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 14 Oct 2014, atull at opensource.altera.com wrote: > From: Alan Tull > > 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 > I've applied both patches. I just had to fixup a minor checkpatch error with the 2nd patch: ERROR: trailing whitespace #284: FILE: arch/arm/mach-socfpga/self-refresh.S:34: +^I/*^I$ total: 1 errors, 1 warnings, 354 lines checked BR, Dinh