When building a kernel with support for both ARMv6 and ARMv7 but
no MMU, the call from tauros2_internal_init to adjust_cr causes
a link error. While that could probably be resolved, we don't
actually support cache-tauros2 on ARMv6 any more. All PJ4 CPU
implementations support both ARMv6 and ARMv7 and we already assume
that we are using them only in ARMv7 mode.
Removing the ARMv6 code path reduces the code size and avoids
the linker error.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
DTB support for DT booting on DA850
boards with older bootloaders.
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Merge tag 'davinci-for-v3.15/soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
Merge "DaVinci SoC fixes for v3.15" from Sekhar Nori:
Includes a patch to enable appended
DTB support for DT booting on DA850
boards with older bootloaders.
* tag 'davinci-for-v3.15/soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: fix DT booting with default defconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
CONFIG_NEON is meant to be user-selectable. Turning it on
unconditionally means we can't build a smaller kernel when
we don't need it, and causes build errors if CONFIG_VFP
is not also enabled.
To still have neon enabled however, we need to turn it on
now in multi_v7_defconfig and mvebu_v7_defconfig.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
A couple of minor fixes, plus the removal of the EMC scaling driver,
which hasn't been active since we converted clocks to device tree.
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Merge tag 'tegra-for-3.15-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc
Merge "ARM: tegra: core SoC changes for 3.15" from Stephen Warren:
A couple of minor fixes, plus the removal of the EMC scaling driver,
which hasn't been active since we converted clocks to device tree.
* tag 'tegra-for-3.15-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Export I/O rail functions
ARM: tegra: remove tegra EMC scaling driver
ARM: tegra: don't timeout if CPU is powergated
Signed-off-by: Olof Johansson <olof@lixom.net>
This pull request contains a number of cleanups and enhancements for the
Trusted Foundations firmware used on production Tegra SoCs. The changes
allow kernels without TF support to run on HW that uses TF, albeit with
reduced functionality, and also fix the cpuidle feature.
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Merge tag 'tegra-for-3.15-tf' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc
Merge "ARM: tegra: Trusted Foundations work for 3.15" from Stephen Warren:
This pull request contains a number of cleanups and enhancements for the
Trusted Foundations firmware used on production Tegra SoCs. The changes
allow kernels without TF support to run on HW that uses TF, albeit with
reduced functionality, and also fix the cpuidle feature.
* tag 'tegra-for-3.15-tf' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: cpuidle: use firmware for power down
ARM: trusted_foundations: implement prepare_idle()
ARM: firmware: add prepare_idle() operation
ARM: firmware: enable Trusted Foundations by default
ARM: trusted_foundations: fallback when TF support is missing
ARM: trusted_foundations: fix vendor prefix typos
Signed-off-by: Olof Johansson <olof@lixom.net>
Davinci boards tend to have older booloaders without DTB support.
Enable appended DTB support by default to allow DT booting on older
platforms. While there, also enable /proc/device-tree support for
easy verification of DT boot.
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Enable BCM590xx MFD and regulator drivers to manage voltage
regulators on BCM281xx platforms.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
enabling all ARMv5 davinci devices to be built
using davinci_all_defconfig
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Merge tag 'davinci-for-v3.15/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
Merge "DaVinci SoC updates for v3.15" from Sekhar Nori:
This pull request removes da8xx_omapl_defconfig
enabling all ARMv5 davinci devices to be built
using davinci_all_defconfig
* tag 'davinci-for-v3.15/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: remove da8xx_omapl_defconfig
ARM: davinci: da8xx: fix multiple watchdog device registration
ARM: davinci: add da8xx specific configs to davinci_all_defconfig
ARM: davinci: enable da8xx build concurrently with older devices
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The tnetv107x support does not compile, and seems to have been broken
for a while with nobody caring to fix it. So far everyone I asked
said it's probably dead and completely unused and will never again
be needed in a future kernel release, so let's delete it.
If someone finds a use for this code later and is able to get it
to work again, we can always revert the removal.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
This patch adds Maxime and Patrice to ARM/STi maintainers list.
As Stuart Menefy opted to be removed from the list, this patch removes
his email from maintainers. Updated my email with private email address.
This patch also adds few more drivers to the list so that get_maintainer
script can pick the right people to send patch to and avoid email
bounces.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
CC: Stuart Menefy <stuart.menefy@st.com>
CC: Maxime Coquelin <maxime.coquelin@st.com>
CC: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Add bcm21664 support
- Use Kona Debug UART only on ARCH_BCM_MOBILE
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Merge tag 'armsoc/for-3.15/soc-3' of git://github.com/broadcom/mach-bcm into next/soc
Merge "ARM: mach-bcm: soc updates for 3.15 - part 2" from Matt Porter:
- Add bcm21664 support
- Use Kona Debug UART only on ARCH_BCM_MOBILE
* tag 'armsoc/for-3.15/soc-3' of git://github.com/broadcom/mach-bcm:
ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
ARM: bcm21664: Add board support.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Just a minor commit to adjust the restart code to take into account the new
compatibles
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Merge tag 'sunxi-core-for-3.15' of https://github.com/mripard/linux into next/soc
Merge "Allwinner core additions for 3.15" from Maxime Ripard:
Just a minor commit to adjust the restart code to take into account the new
compatibles
* tag 'sunxi-core-for-3.15' of https://github.com/mripard/linux:
ARM: sunxi: Add the new watchog compatibles to the reboot code
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- dove
- move devicetree code from mach-dove/ to mach-mvebu/ :-)
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Merge tag 'mvebu-soc-3.15-3' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu soc changes for v3.15 (incremental #3)" from Jason Cooper:
- dove
- move devicetree code from mach-dove/ to mach-mvebu/ :-)
* tag 'mvebu-soc-3.15-3' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: move DT Dove to MVEBU
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- mvebu
- Add Armada 375, 380 and 385 SoCs
- kirkwood
- move kirkwood DT support to mach-mvebu
- add mostly DT support for HP T5325 thin client
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Merge tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu soc changes for v3.15 (incremental pull #2)" from Jason Cooper:
- mvebu
- Add Armada 375, 380 and 385 SoCs
- kirkwood
- move kirkwood DT support to mach-mvebu
- add mostly DT support for HP T5325 thin client
* tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu:
ARM: kirkwood: Add HP T5325 thin client
ARM: kirkwood: select dtbs based on SoC
ARM: kirkwood: Remove redundant kexec code
ARM: mvebu: Armada 375/38x depend on MULTI_V7
ARM: mvebu: Simplify headers and make local
ARM: mvebu: Enable mvebu-soc-id on Kirkwood
ARM: mvebu: Let kirkwood use the system controller for restart
ARM: mvebu: Move kirkwood DT boards into mach-mvebu
ARM: MM Enable building Feroceon L2 cache controller with ARCH_MVEBU
ARM: Fix default CPU selection for ARCH_MULTI_V5
ARM: MM: Add DT binding for Feroceon L2 cache
ARM: orion: Move cache-feroceon-l2.h out of plat-orion
ARM: mvebu: Add ARCH_MULTI_V7 to SoCs
ARM: kirkwood: ioremap memory control register
ARM: kirkwood: ioremap the cpu_config register before using it.
ARM: kirkwood: Separate board-dt from common and pcie code.
ARM: kirkwood: Drop printing the SoC type and revision
ARM: kirkwood: Convert mv88f6281gtw_ge switch setup to DT
ARM: kirkwood: Give pm.c its own header file.
ARM: mvebu: Rename the ARCH_MVEBU menu option
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fix warnings due to improper printk formats in shared APMU code.
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Merge tag 'renesas-soc3-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Third Round of Renesas ARM Based SoC Updates for v3.15" from Simon
Horman:
Fix warnings due to improper printk formats in shared APMU code.
* tag 'renesas-soc3-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: APMU: Fix warnings due to improper printk formats
Signed-off-by: Olof Johansson <olof@lixom.net>
Low-level debugging using the Broadcom Kona UART only makes sense on the
ARCH_BCM_MOBILE platform and would otherwise prevent ARCH_BCM_63XX from
picking up the right UART implementation by default.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Add support for the Broadcom BCM21664 mobile SoC. It has two Cortex-A9
cores like the BCM281xx family of chips. BCM21664 and BCM281xx share
many IP blocks in addition to the ARM cores.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Now that the watchdog driver has new compatibles, we need to support them in
the machine reboot code.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
- add BCM5301x support
- remove GENERIC_TIME
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Merge tag 'armsoc/for-3.15/soc-2' of git://github.com/broadcom/mach-bcm into next/soc
Merge "ARM: mach-bcm soc updates" from Matt Porter:
- add BCM5301x support
- remove GENERIC_TIME
* tag 'armsoc/for-3.15/soc-2' of git://github.com/broadcom/mach-bcm:
ARM: BCM5301X: workaround suppress fault
ARM: BCM5301X: add early debugging support
ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
ARM: mach-bcm: Remove GENERIC_TIME
Signed-off-by: Olof Johansson <olof@lixom.net>
Enable ARM_HAS_SG_CHAIN for all multiplatform targets, it makes sense
to enable on all "modern" platforms; downsides are limited for platforms
that don't need it.
Requested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Olof Johansson <olof@lixom.net>
- Support suspend from ocram (DDR IO floating) for imx6 platforms
- Add cpuidle support for imx6sl
- Sparse warning fixes for imx6sl and vf610 clock code
- Remove PWM platform code
- Support ptp and rmii clock from pad
- Support WEIM CS GPR configuration
- Random cleanups and defconfig updates
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Merge tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
i.MX SoC changes for 3.15 from Shawn Guo:
- Support suspend from ocram (DDR IO floating) for imx6 platforms
- Add cpuidle support for imx6sl
- Sparse warning fixes for imx6sl and vf610 clock code
- Remove PWM platform code
- Support ptp and rmii clock from pad
- Support WEIM CS GPR configuration
- Random cleanups and defconfig updates
* tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6: (373 commits)
ARM: imx6: drop .text.head section annotation from headsmp.S
ARM: imx6: build suspend-imx6.o with CONFIG_SOC_IMX6
ARM: imx6: rename pm-imx6q.c to pm-imx6.c
ARM: imx6: introduce CONFIG_SOC_IMX6 for i.MX6 common stuff
ARM: imx6: do not call imx6q_suspend_init() with !CONFIG_SUSPEND
ARM: imx6: call suspend_set_ops() from suspend routine
ARM: imx6: build headsmp.o only on CONFIG_SMP
ARM: imx6: move v7_cpu_resume() into suspend-imx6.S
ARM i.MX6q: Mark VPU and IPU AXI transfers as cacheable, increase IPU priority
ARM: imx6q: Add GPR6 and GPR7 register definitions for iomuxc gpr
bus: imx-weim: support CS GPR configuration
ARM: mach-imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX2_WDT from SOC_IMX53
ARM: imx_v6_v7_defconfig: Select CONFIG_DEBUG_FS
ARM: mach-imx: Select CONFIG_SRAM at ARCH_MXC level
ARM: imx: add speed grading check for i.mx6 soc
ARM: imx: avoid calling clk APIs in idle thread which may cause schedule
ARM: imx6q: support ptp and rmii clock from pad
ARM: imx6q: remove unneeded clk lookups
ARM: imx_v6_v7_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
ARM: imx_v4_v5_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
...
Some low-level optimizations and fixes that don't belong in an -rc
series for various OMAP-family chips, targeted for v3.15.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/prcm-a-for-v3.15/20140228124518/
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Merge tag 'omap-for-v3.15/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Power, reset and clock related changes via Paul Walmsley <paul@pwsan.com>, via
Tony Lindgren:
Some low-level optimizations and fixes that don't belong in an -rc
series for various OMAP-family chips, targeted for v3.15.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/prcm-a-for-v3.15/20140228124518/
* tag 'omap-for-v3.15/prcm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3+: DPLL: stop reparenting to same parent if already done
ARM: OMAP2+: clock: fix rate prints
ARM: AM43x: hwmod data: register spinlock OCP interface
ARM: OMAP2+: clockdomain: Reintroduce SW_SLEEP Support
ARM: OMAP2+: AM43xx: implement support for machine restart
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'omap-for-v3.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
OMAP SoC changes from Tony Lindgren:
Few SoC related improvments for omaps.
* tag 'omap-for-v3.15/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: remove OMAP_PACKAGE_ZAC and OMAP_PACKAGE_ZAF
ARM: OMAP2+: AM43x: Use gptimer as clocksource
ARM: OMAP2+: AM43x: determine features
ARM: OMAP2+: AM43x: Add ID for ES1.1
ARM: OMAP2+: AM43x: enable in default config
Signed-off-by: Olof Johansson <olof@lixom.net>
Fix multiple watchdog device registration on da8xx devices
due to davinci_init_devices blindly registering watchdog
device.
Fix this by getting rid of the initcall and instead registering
watchdog for each soc.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Enable da8xx devices to build concurrently with older
(traditional) DaVinci devices. Do this by defining multiple
zreladdr values and enabling AUTO_ZRELADDR to prevent
build regressions. Note that we do not enable AUTO_ZRELADDR in
da8xx_omapl_defconfig since it is meant to be removed.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Rename board_init() to bcm281xx_init(), so the name reflects the board
specific nature of this function.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Consolidate reboot code and remove unnecessary functions.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
In preparation for future SoCs, move kona_l2_cache_init() from board
specific board_bcm281xx.c to shared kona.c, so multiple SoC families
can make use of it. Also change the return type to "void", since we
never look at the return code anyway.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
This patch renames a few symbols that needlessly used "11351" rather
than "281xx" in their names.
Support for the bcm11351 board is being removed from the kernel, and
the family of boards is more properly referred to as "bcm281xx".
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Without this patch I am getting a unhandled fault exception like this
one after "Freeing unused kernel memory":
Freeing unused kernel memory: 1260K (c02c1000 - c03fc000)
Unhandled fault: imprecise external abort (0x1c06) at 0xb6f89005
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
The address which is here 0xb6f89005 changes from boot to boot, with a
new build the changes are bigger. With kernel 3.10 I have also seen
this fault at different places in the boot process, but starting with
3.11 they are always occurring after the "Freeing unused kernel memory"
message. I never was able to completely boot to userspace without this
handler. The abort code is constant 0x1c06. This fault just happens
once in the boot process I have never seen it happing twice or more.
I also tried changing the CPSR.A bit to 0 in init_early, with this code
like Afzal suggested, but that did not change anything:
asm volatile("mrs r12, cpsr\n"
"bic r12, r12, #0x00000100\n"
"msr cpsr_c, r12" ::: "r12", "cc", "memory");
Disabling the L2 cache by building with CONFIG_CACHE_L2X0 unset did not
help.
This workaround was copied from the vendor code including most of the
comments. It says it they think this is caused by the CFE boot loader
used on this device. I do not have any access to any datasheet or
errata document to check this.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
This adds support for early debugging of BCM5301X SoC.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
This patch adds support for the BCM5301X/BCM470X SoCs with an ARM CPUs.
Currently just booting to a shell is working and nothing else, no
Ethernet, wifi, flash, ...
I have some pending patches to make Ethernet work for this device.
Mostly device tree support for bcma is missing.
This SoC is used in small office and home router with Broadcom SoCs
it's internal name is Northstar. This code should support the BCM4707,
BCM4708, BCM4709, BCM53010, BCM53011 and BCM53012 SoC. It uses one or
two ARM Cortex A9 Cores, some highlights are 2 PCIe 2.0 controllers,
4 Gigabit Ethernet MACs and a USB 3.0 host controller.
This SoC uses a dual core CPU, but this is currently not implemented.
More information about this SoC can be found here:
http://www.anandtech.com/show/5925/broadcom-announces-bcm4708x-and-bcm5301x-socs-for-80211ac-routers
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
The symbol is an orphan, get rid of it.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
Use the %pr printk specifier to print resource variables. This fixes
warnings on platforms where resource_size_t has a different size than
int.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
The function v7_secondary_startup() works just fine in .text section, so
there is no need to have .text.head section annotation at all. Drop it.
Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Even when CONFIG_SUSPEND is enabled, it makes no sense to build
suspend-imx6.o if none of i.MX6 support is built in. Let's build
suspend-imx6.o only when both CONFIG_SUSPEND and CONFIG_SOC_IMX6 are
enabled.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The pm-imx6q.c works for all i.MX6 SoCs, so let's rename it to pm-imx6.c
and have the build controlled by option CONFIG_SOC_IMX6.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Rename function imx6q_ocram_suspend_init() to imx6q_suspend_init() and
call suspend_set_ops() from there. Now we get a centralized function
for suspend initialization.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
With v7_cpu_resume() being moved out of headsmp.S, all the remaining
code in the file is only needed by CONFIG_SMP build. So we can control
the build of headsmp.o with only obj-$(CONFIG_SMP) now.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The suspend-imx6.S is introduced recently for suspend low-level assembly
code. Since function v7_cpu_resume() is only used by suspend support,
it makes sense to move the function into suspend-imx6.S, and control the
build of the file with CONFIG_SUSPEND option.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
