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Until now, all the code for Armada 370 and XP was common, so we had a
single Kconfig option to support all boards using both SoCs. With the
addition of pinctrl drivers, this situation has changed: those two
SoCs are radically different in terms of pinctrl, so they have two
separate drivers. Since pinctrl drivers are typically select-ed from
the SoC Kconfig option, it makes sense to split the 370/XP option into
two separate options: one for Armada 370 and another for Armada XP.
We keep an hidden option selected by both ARMADA_370 and ARMADA_XP in
order to easily compile common code.
A followup patch actually makes use of this split to select the
appropriate pinctrl drivers.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The Armada XP evaluation board is based on the MV78460 Armava XP
SoC. Now that we have separate .dtsi files for the three different
SoCs of the Armada XP family, use the appropriate one as include for
the Armada XP evaluation board .dts file.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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This commits adds the necessary device tree information to define the
compatible property for the pinctrl driver instance of Armada 370 SoC.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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This commits adds the necessary device tree information to define the
compatible property for the pinctrl driver instance of Armada XP SoCs.
Until now, the device tree representation considered the Armada XP as
a single SoC. But in fact, there are three different SoCs in the
Armada XP families, with different number of CPU cores, different
number of Ethernet interfaces... and different number of muxable pins
or functions. We therefore introduce three armada-xp-mv78xx0.dtsi for
the three SoCs of the Armada XP family. The current armada-xp-db.dts
evaluation board uses the MV78460 variant of the SoC.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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This patch adds a pinctrl driver core for Marvell SoCs plus DT
binding documentation. This core driver will be used by SoC family
specific drivers, i.e. Armada XP, Armada 370, Dove, Kirkwood, aso.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
arch/arm/Kconfig
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Remove more board-specific code by using devicetree to define the fan
attached to both boards.
Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Based on work by Michael Walle and Jason Cooper.
Added support for getting the interrupt number and address of SRAM
from DT.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
arch/arm/mach-kirkwood/board-dt.c
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Define the nand and its partitions in DT and remove them from cmdline
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Define the 2 keys found on iconnect in DT. It's also changing the keycodes/
switches to use better ones.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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If it's set, SIGPENDING is also set. And SIGPENDING is present in
the masks...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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No need to keep 4 copies of that stuff; merged and taken to
entry.S, unused public symbols there killed off.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Too late to do anything there...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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* multiplatform/platform-data:
ARM: spear: move platform_data definitions
ARM: samsung: move platform_data definitions
ARM: orion: move platform_data definitions
ARM: nomadik: move platform_data definitions
ARM: w90x900: move platform_data definitions
ARM: vt8500: move platform_data definitions
ARM: tegra: move sdhci platform_data definition
ARM: sa1100: move platform_data definitions
ARM: pxa: move platform_data definitions
ARM: netx: move platform_data definitions
ARM: msm: move platform_data definitions
ARM: imx: move platform_data definitions
ARM: ep93xx: move platform_data definitions
ARM: davinci: move platform_data definitions
ARM: at91: move platform_data definitions
Conflicts due to removed files:
arch/arm/mach-tegra/board-harmony.c
arch/arm/mach-tegra/board-trimslice.c
Conflicts due to code removal:
arch/arm/mach-tegra/board-paz00.c
Context conflicts in:
drivers/mmc/host/sdhci-tegra.c
drivers/net/irda/pxaficp_ir.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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No real need to have a separate core.h from the common.h file. Fold
these two prototypes into the common header file.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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* multiplatform/smp_ops:
ARM: consolidate pen_release instead of having per platform definitions
ARM: smp: Make SMP operations mandatory
ARM: SoC: convert spear13xx to SMP operations
ARM: SoC: convert imx6q to SMP operations
ARM: SoC: convert highbank to SMP operations
ARM: SoC: convert shmobile SMP to SMP operations
ARM: SoC: convert ux500 to SMP operations
ARM: SoC: convert MSM to SMP operations
ARM: SoC: convert Exynos4 to SMP operations
ARM: SoC: convert Tegra to SMP operations
ARM: SoC: convert OMAP4 to SMP operations
ARM: SoC: convert VExpress/RealView to SMP operations
ARM: SoC: add per-platform SMP operations
Conflicts due to file moves or removals in:
arch/arm/mach-msm/board-msm8960.c
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-tegra/board-harmony.c
arch/arm/mach-tegra/board-trimslice.c
Conflicts due to board file cleanup:
arch/arm/mach-tegra/board-paz00.c
Conflicts due to cpu hotplug addition:
arch/arm/mach-tegra/hotplug.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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* 'board' of git://github.com/hzhuang1/linux:
ARM: mmp: using for_each_set_bit to simplify the code
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Misc SoC-related fixes/cleanups for Samsung platforms
* 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: SAMSUNG: Add check for NULL in clock interface
ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state
ARM: EXYNOS: Add bus clock for FIMD
ARM: SAMSUNG: Fix HDMI related warnings
ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock
ARM: EXYNOS: Fix incorrect help text
ARM: EXYNOS: Turn off clocks for NAND, OneNAND and TSI controllers
+ sync to 3.6-rc6
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/fixes-non-critical
A few non-critical fixes/cleanups for samsung platforms.
* 'v3.7-samsung-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: SAMSUNG: Add missing variable declaration in s3c64xx_spi1_set_platdata()
ARM: S3C24XX: removes unnecessary semicolon
ARM: S3C24xx: delete double assignment
ARM: EXYNOS: fix address for EXYNOS4 MDMA1
ARM: EXYNOS: fixed SYSMMU setup definition to mate parameter name
+ sync to 3.6-rc6
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Conflicts:
arch/arm/boot/dts/exynos4210-origen.dts
arch/arm/boot/dts/exynos4210.dtsi
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next/dt-samsung-new
Conflicts:
arch/arm/mach-exynos/mach-smdkv310.c
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Reason for merge:
x86/fpu changed the structure of some of the code that x86/smap
changes; mostly fpu-internal.h but also minor changes to the
signal code.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Resolved Conflicts:
arch/x86/ia32/ia32_signal.c
arch/x86/include/asm/fpu-internal.h
arch/x86/kernel/signal.c
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Preemption is disabled between kernel_fpu_begin/end() and as such
it is not a good idea to use these routines in kvm_load/put_guest_fpu()
which can be very far apart.
kvm_load/put_guest_fpu() routines are already called with
preemption disabled and KVM already uses the preempt notifier to save
the guest fpu state using kvm_put_guest_fpu().
So introduce __kernel_fpu_begin/end() routines which don't touch
preemption and use them instead of kernel_fpu_begin/end()
for KVM's use model of saving/restoring guest FPU state.
Also with this change (and with eagerFPU model), fix the host cr0.TS vm-exit
state in the case of VMX. For eagerFPU case, host cr0.TS is always clear.
So no need to worry about it. For the traditional lazyFPU restore case,
change the cr0.TS bit for the host state during vm-exit to be always clear
and cr0.TS bit is set in the __vmx_load_host_state() when the FPU
(guest FPU or the host task's FPU) state is not active. This ensures
that the host/guest FPU state is properly saved, restored
during context-switch and with interrupts (using irq_fpu_usable()) not
stomping on the active FPU state.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1348164109.26695.338.camel@sbsiddha-desk.sc.intel.com
Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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The TLL specific code such as channels clocks enable/disable,
initialization functions are removed from the USBHS core
driver. The hwmod of the usb tll is retrieved and omap device
build is performed to created the platform device for the
usb tll component.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Reviewed-by: Partha Basak <parthab@india.ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The usbhs driver invokes the enable/disable APIs of the
usb tll driver in the runtime resume/suspend callbacks
of the runtime get sync and put sync of the usbhs driver.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Reviewed-by: Partha Basak <parthab@india.ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The platform driver for the TLL component of the OMAP USB host controller
is implemented. Depending on the TLL hardware revision , the TLL channels
are configured. The USB HS core driver uses this driver through exported
APIs from the TLL platform driver.
usb_tll_enable and usb_tll_disble are the exported APIs of the USB TLL
platform driver.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Reviewed-by: Partha Basak <parthab@india.ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Pull sparc updates from David Miller:
1) Debugging builds on 32-bit sparc need to handle the R_SPARC_DISP32
relocation, not just 64-bit sparc. From Andreas Larsson.
2) Wei Yongjun noticed that module_alloc() on sparc can return an
error pointer, but that's not allowed. module_alloc() should
return only a valid pointer, or NULL.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: fix the return value of module_alloc()
sparc32: Enable the relocation target R_SPARC_DISP32 for sparc32
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Small fixlets"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/init.c: Fix devmem_is_allowed() off by one
x86/kconfig: Remove outdated reference to Intel CPUs in CONFIG_SWIOTLB
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Small perf fixlets"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracing: Don't call page_to_pfn() if page is NULL
perf/x86: Fix Intel Ivy Bridge support
perf/x86/ibs: Check syscall attribute flags
perf/x86: Export Sandy Bridge uncore clockticks event in sysfs
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The changes to entry_32.S got missed in checkin:
63bcff2a x86, smap: Add STAC and CLAC instructions to control user space access
The resulting kernel was largely functional but SMAP protection could
have been bypassed.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-9-git-send-email-hpa@linux.intel.com
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Use kzalloc() so the struct resource doesn't contain garbage in
fields we don't initialize.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
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Use kzalloc() so the struct resource doesn't contain garbage in
fields we don't initialize.
[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: x86@kernel.org
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git://github.com/SantoshShilimkar/linux into devel-dt-arch-timer
Conflicts:
arch/arm/mach-omap2/timer.c
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Signal handling contains a bunch of accesses to individual user space
items, which causes an excessive number of STAC and CLAC
instructions. Instead, let get/put_user_try ... get/put_user_catch()
contain the STAC and CLAC instructions.
This means that get/put_user_try no longer nests, and furthermore that
it is no longer legal to use user space access functions other than
__get/put_user_ex() inside those blocks. However, these macros are
x86-specific anyway and are only used in the signal-handling paths; a
simple reordering of moving the larger subroutine calls out of the
try...catch blocks resolves that problem.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-12-git-send-email-hpa@linux.intel.com
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If we get a page fault due to SMAP, trigger an oops rather than
spinning forever.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-11-git-send-email-hpa@linux.intel.com
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If Supervisor Mode Access Prevention is available and not disabled by
the user, turn it on. Also fix the expansion of SMEP (Supervisor Mode
Execution Prevention.)
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-10-git-send-email-hpa@linux.intel.com
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When Supervisor Mode Access Prevention (SMAP) is enabled, access to
userspace from the kernel is controlled by the AC flag. To make the
performance of manipulating that flag acceptable, there are two new
instructions, STAC and CLAC, to set and clear it.
This patch adds those instructions, via alternative(), when the SMAP
feature is enabled. It also adds X86_EFLAGS_AC unconditionally to the
SYSCALL entry mask; there is simply no reason to make that one
conditional.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-9-git-send-email-hpa@linux.intel.com
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The prototypes for clear_user() and __clear_user() are identical in
the 32- and 64-bit headers. No functionality change.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-8-git-send-email-hpa@linux.intel.com
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The STAC/CLAC instructions are only available with SMAP, but on the
other hand they aren't needed if SMAP is not available, or before we
start to run userspace, so construct them as alternatives which start
out as noops and are enabled by the alternatives mechanism.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-7-git-send-email-hpa@linux.intel.com
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Add header guards to protect <asm/alternative-asm.h> against multiple
inclusion.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-6-git-send-email-hpa@linux.intel.com
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.section/.previous doesn't nest. Use .pushsection/.popsection in
<asm/alternative.h> so that they can be properly nested.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-5-git-send-email-hpa@linux.intel.com
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Add X86_CR4_SMAP to <asm/processor-flags.h>.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-4-git-send-email-hpa@linux.intel.com
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PAGE_READONLY includes user permission, but this is a page used
exclusively by the kernel; use PAGE_KERNEL_RO instead.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1348256595-29119-3-git-send-email-hpa@linux.intel.com
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Also, enable SERIAL_OF_PLATFORM and ORION_WATCHDOG
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc bug fixes from Olof Johansson:
"A couple of samsung clock locking fixes, at91 device tree gpio
configuration fix and a couple more for shmobile and i.MX.
All small targeted fixes."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM i.MX25: Make timer irq work again
ARM: imx: armadillo5x0: Fix illegal register access
ARM: shmobile: kzm9g: bugfix: correct mmcif interrupt settings
ARM: SAMSUNG: Use spin_lock_{irqsave,irqrestore} in clk_set_rate
ARM: at91: fix missing #interrupt-cells on gpio-controller
ARM: SAMSUNG: use spin_lock_irqsave() in clk_set_parent
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In case of error, function module_alloc() in other platform never
returns ERR_PTR(), and all of the user only check for NULL, so
we'd better return NULL instead of ERR_PTR().
dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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GNU Binutils 2.20.1 generates .eh_frame sections that uses R_SPARC_DISP32.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Bug fixes for 3.6-rc7, including some important patches for large page
related memory management issues."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/dasd: fix read unit address configuration loop
s390/dasd: fix pathgroup race
s390/mm: fix user access page-table walk code
s390/hwcaps: do not report high gprs for 31 bit kernel
s390/cio: invalidate cdev pointer before deregistration
s390/cio: fix IO subchannel event race
s390/dasd: move wake_up call
s390/hugetlb: use direct TLB flushing for hugetlbfs pages
s390/mm: fix deadlock in unmap_hugepage_range()
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removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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