Patch to add macros and contants to support the power9 raw
event encoding format. Couple of functions added since some of the
bits fields like PMCxCOMB and THRESH_CMP has different width and location
within MMCR* in power9.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Patch to update the power9 raw event encoding format
information and add support for the same in power9-pmu.c.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Rename the power_pmu and attribute_group variables that
support PowerISA v2.07. Add a cpu feature flag check to pick
the PowerISA v2.07 format structures to support.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Factor out the format field structure for PowerISA v2.07.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
At the moment the userspace tool is expected to request pinning of
the entire guest RAM when VFIO IOMMU SPAPR v2 driver is present.
When the userspace process finishes, all the pinned pages need to
be put; this is done as a part of the userspace memory context (MM)
destruction which happens on the very last mmdrop().
This approach has a problem that a MM of the userspace process
may live longer than the userspace process itself as kernel threads
use userspace process MMs which was runnning on a CPU where
the kernel thread was scheduled to. If this happened, the MM remains
referenced until this exact kernel thread wakes up again
and releases the very last reference to the MM, on an idle system this
can take even hours.
This moves preregistered regions tracking from MM to VFIO; insteads of
using mm_iommu_table_group_mem_t::used, tce_container::prereg_list is
added so each container releases regions which it has pre-registered.
This changes the userspace interface to return EBUSY if a memory
region is already registered in a container. However it should not
have any practical effect as the only userspace tool available now
does register memory region once per container anyway.
As tce_iommu_register_pages/tce_iommu_unregister_pages are called
under container->lock, this does not need additional locking.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This changes mm_iommu_xxx helpers to take mm_struct as a parameter
instead of getting it from @current which in some situations may
not have a valid reference to mm.
This changes helpers to receive @mm and moves all references to @current
to the caller, including checks for !current and !current->mm;
checks in mm_iommu_preregistered() are removed as there is no caller
yet.
This moves the mm_iommu_adjust_locked_vm() call to the caller as
it receives mm_iommu_table_group_mem_t but it needs mm.
This should cause no behavioral change.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
We are going to get rid of @current references in mmu_context_boos3s64.c
and cache mm_struct in the VFIO container. Since mm_context_t does not
have reference counting, we will be using mm_struct which does have
the reference counter.
This changes mm_iommu_init/mm_iommu_cleanup to receive mm_struct rather
than mm_context_t (which is embedded into mm).
This should not cause any behavioral change.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This is used in poison.h to offset poison values so that they don't
point directly into user space.
The value we choose sits roughly between user and kernel space, which
means on their own the poison values don't point anywhere useful. If an
attacker can cause an access at some offset from the poison value then
we may still be in trouble, but by putting the poison values between
user and kernel space we maximise the required size of that offset.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The current facility_strings[] are correct when the trap address is
0xf80 (hypervisor facility unavailable). When the trap address is
0xf60 (facility unavailable) IC (Interruption Cause) a.k.a status in the
code is undefined for values 0 and 1.
Add a check to prevent printing the (misleading) facility name for IC 0
and 1 when we came in via 0xf60. In all cases, print the actual IC
value, to avoid any confusion.
This hasn't been seen on real hardware, on only qemu which was
misreporting an exception.
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
[mpe: Fix indentation, combine printks(), massage change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
intel_rdt_sched_in() must be called with preemption disabled because the
function accesses percpu variables (pqr_state and closid).
If a task moves itself via move_myself() preemption is enabled, which
violates the calling convention and can result in incorrect closid
selection when the task gets preempted or migrated.
Add the required protection and a comment about the calling convention.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: "Marcelo Tosatti" <mtosatti@redhat.com>
Cc: "Sai Prakhya" <sai.praneeth.prakhya@intel.com>
Cc: "Vikas Shivappa" <vikas.shivappa@linux.intel.com>
Cc: "H. Peter Anvin" <h.peter.anvin@intel.com>
Link: http://lkml.kernel.org/r/1480625714-54246-1-git-send-email-fenghua.yu@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Install the callbacks via the state machine.
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: kvm@vger.kernel.org
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: kvm-ppc@vger.kernel.org
Cc: Paul Mackerras <paulus@samba.org>
Cc: rt@linutronix.de
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexander Graf <agraf@suse.com>
Link: http://lkml.kernel.org/r/20161126231350.10321-18-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Install the callbacks via the state machine and let the core invoke
the callbacks on the already online CPUs.
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: rt@linutronix.de
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20161126231350.10321-17-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
There is no requirement to keep the sysfs files around until the CPU is
completely dead. Remove them during the DOWN_PREPARE notification. This is
a preparatory patch for converting to the hotplug state machine.
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: rt@linutronix.de
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20161126231350.10321-16-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This patch provides APEI arch-specific bits for ARM64
Meanwhile,
(1) Move HEST type (ACPI_HEST_TYPE_IA32_CORRECTED_CHECK) checking to
a generic place.
(2) Select HAVE_ACPI_APEI when EFI and ACPI is set on ARM64, because
arch_apei_get_mem_attribute is using efi_mem_attributes() on
ARM64.
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Tested-by: Jonathan (Zhixiong) Zhang <zjzhang@codeaurora.org>
Signed-off-by: Fu Wei <fu.wei@linaro.org>
[ Fu Wei: improve && upstream ]
Acked-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The musb driver is enabled but the phy and the glue
for the da8xx are not enabled.
Enable them.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This SoC has a separate pin controller for configuring pullup/pulldown
bias on groups of pins.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
0-day testing encountered a NULL pointer dereference in a cpumask access
from tsc_store_and_check_tsc_adjust().
This happens when the function is called on the boot CPU and the topology
masks are not yet available due to CPUMASK_OFFSTACK=y.
Add a NULL pointer check for the mask pointer. If NULL it's safe to assume
that the CPU is the boot CPU and the first one in the package.
Fixes: 8b223bc7ab ("x86/tsc: Store and check TSC ADJUST MSR")
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The variable aes_simd_algs should be static. In fact if it isn't
it causes build errors when multiple copies of aes-ce-glue.c are
built into the kernel.
Fixes: da40e7a4ba ("crypto: aes-ce - Convert to skcipher")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch fixes the ARM64 CE CCM implementation decryption by
using skcipher_walk_aead_decrypt instead of skcipher_walk_aead,
which ensures the correct length is used when doing the walk.
Fixes: cf2c0fe740 ("crypto: aes-ce-ccm - Use skcipher walk interface")
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Do not introduce any additional alignment. Placement of text section
will be set by fixed section macros. Without this, output section
alignment defaults to 4096, which makes BookE text section start at
0x1000 when it is expected to start at 0x100.
This was introduced by commit 57f266497d ("powerpc: Use gas sections
for arranging exception vectors") and was caught with the scripted head
section checker (not yet merged).
Fixes: 57f266497d ("powerpc: Use gas sections for arranging exception vectors")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In eeh_reset_device(), we take the pci_rescan_remove_lock immediately after
after we call eeh_reset_pe() to reset the PCI controller. We then call
eeh_clear_pe_frozen_state(), which can return an error. In this case, we
bail out of eeh_reset_device() without calling pci_unlock_rescan_remove().
Add a call to pci_unlock_rescan_remove() in the eeh_clear_pe_frozen_state()
error path so that we don't cause a deadlock later on.
Reported-by: Pradipta Ghosh <pradghos@in.ibm.com>
Fixes: 7895470063 ("powerpc/eeh: Avoid I/O access during PE reset")
Cc: stable@vger.kernel.org # v3.16+
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
We have a bunch of Kconfig symbols which select various IBM_EMAC_*
symbols. These all cause warnings when IBM_EMAC is not selected.
eg.
warning: (PPC_CELL_NATIVE && BLUESTONE && CANYONLANDS && GLACIER &&
EIGER && 440EPX && 440GRX && 440GX && 460SX && 405EX) selects
IBM_EMAC_RGMII which has unmet direct dependencies (NETDEVICES &&
ETHERNET && NET_VENDOR_IBM)
So make them all depend on IBM_EMAC being enabled first.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
SPU_FS selects MEMORY_HOTPLUG, which is problematic because
MEMORY_HOTPLUG is user selectable, meaning we can end up with a broken
.config where MEMORY_HOTPLUG is enabled but its dependencies are not,
leading to build breakages.
The select of MEMORY_HOTPLUG for SPU_FS was added back in 2006, in
commit 4da30d15b6 ("[POWERPC] spufs: fix memory hotplug dependency").
However we reworked the spufs code and removed the dependency on memory
hotplug in 2007 in commit 78bde53e35 ("[POWERPC] spufs: remove need
for struct page for SPEs").
So drop the select as it's no longer needed and causes problems.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
We should be using lmb_is_removable() to validate that enough LMBs
are available to remove when doing a remove by count. This will check
that the LMB is owned by the system and it is considered removable.
This patch also adds a pr_info() notification to report the LMB count
to remove was not satisfied.
What we do now is just check that there are enough LMBs owned by the
system when validating there are enough LMBs to remove. This can
lead to situations where there are enough LMBs owned by the system
but not enough that are considered removable. This results in having
to bail out of the remove operation instead of just failing the request
that we should have known wouldn't succeed.
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
In the recent commit 1515ab9321 ("powerpc/mm: Dump hash table") we
added code to dump the hage page table. Currently this can be selected
to build on any platform. However it breaks the build if we're building
for a non-Book3S platform, because none of the hash page table related
defines and so on exist. So restrict it to building only on Book3S.
Similarly in commit 8eb07b1870 ("powerpc/mm: Dump linux pagetables")
we added code to dump the Linux page tables, which uses some constants
which are only defined on Book3S - so guard those with an #ifdef.
Fixes: 1515ab9321 ("powerpc/mm: Dump hash table")
Fixes: 8eb07b1870 ("powerpc/mm: Dump linux pagetables")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This moves the prototypes for functions that are only called from
assembler code out of asm/asm-prototypes.h into asm/kvm_ppc.h.
The prototypes were added in commit ebe4535fbe ("KVM: PPC:
Book3S HV: sparse: prototypes for functions called from assembler",
2016-10-10), but given that the functions are KVM functions,
having them in a KVM header will be better for long-term
maintenance.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
The PCIe root complex on Juno translates the MMIO mapped
at 0x5f800000 to the PIO address range starting at 0
(which is common because PIO addresses are generally < 64k).
Correct the DT to reflect this.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix up new instances of gpio-key,wakeup to use wakeup-source
- Add beaglebone LCDC blue-and-red-wiring property to make use
of the new driver features
- Add bindings for IIO support for am335x and am437x
- Add palmas PMIC overide powerhold property for am57xx
- Update am335x-baltos to use phy-handle property
- Add initial support for am571x-idk
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Merge tag 'omap-for-v4.10/dt-late-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Pull "omap dts changes for v4.10, part 2" from Tony Lindgren:
Second set of device tree changes for omaps for v4.10 merge window:
- Fix up new instances of gpio-key,wakeup to use wakeup-source
- Add beaglebone LCDC blue-and-red-wiring property to make use
of the new driver features
- Add bindings for IIO support for am335x and am437x
- Add palmas PMIC overide powerhold property for am57xx
- Update am335x-baltos to use phy-handle property
- Add initial support for am571x-idk
* tag 'omap-for-v4.10/dt-late-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: AM571x-IDK Initial Support
ARM: dts: am335x-baltos: use phy-phandle declarations
ARM: dts: am57xx-idk-common: Add overide powerhold property
ARM: dts: am57xx-beagle-x15-common: Add overide powerhold property
ARM: dts: am57xx-idk: Add Industrial output support
ARM: dts: am57xx-idk: Add Industrial input support
ARM: dts: am437x-idk: Add Industrial output support
ARM: dts: am437x-idk: Add Industrial input support
ARM: dts: am335x-icev2: Add ADC support
ARM: dts: am335x-icev2: Disable Industrial I/O LEDs and fix naming
ARM: dts: am335x-icev2: Add Industrial input support
ARM: dts: am335x-boneblack: Add blue-and-red-wiring -property to LCDC node
ARM: dts: omap5: replace gpio-key,wakeup with wakeup-source property
Add Turris Omnia support, an open hardware router Armada 385 based
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Merge tag 'mvebu-dt-4.10-2' of git://git.infradead.org/linux-mvebu into next/dt
Pull "mvebu dt for 4.10 (part 1)" from Gregory CLEMENT:
Add Turris Omnia support, an open hardware router Armada 385 based
* tag 'mvebu-dt-4.10-2' of git://git.infradead.org/linux-mvebu:
ARM: dts: add support for Turris Omnia
devicetree: Add vendor prefix for CZ.NIC
as well as enabling the dma for uart and mmc controllers.
And one new soc, the rk1108 combining a single-core Cortex-A7
with a separate DSP core.
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Merge tag 'v4.10-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Pull "Rockchip dts32 changes for 4.10" from Heiko Stübner:
A bit of attention for the rk3066, fixed tsadc reset node
as well as enabling the dma for uart and mmc controllers.
And one new soc, the rk1108 combining a single-core Cortex-A7
with a separate DSP core.
* tag 'v4.10-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: add the sdmmc pinctrl for rk1108
ARM: dts: rockchip: add rockchip RK1108 Evaluation board
ARM: dts: rockchip: add basic support for RK1108 SOC
clk: rockchip: add dt-binding header for rk1108
dt-bindings: rockchip-dw-mshc: add RK1108 dw-mshc description
ARM: dts: rockchip: enable dma for uart and mmc on rk3066a
ARM: dts: rockchip: fix TSADC reset node for rk3066a
Enable HVA (Hardware Video Accelerator) video encoder
driver for STMicroelectronics SoC.
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Merge tag 'sti-defconfig-for-4.10-round3' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into next/defconfig
Pull "STi defconfig fix" from Patrice Chotard:
Enable HVA (Hardware Video Accelerator) video encoder
driver for STMicroelectronics SoC.
* tag 'sti-defconfig-for-4.10-round3' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
ARM: multi_v7_defconfig: enable STMicroelectronics HVA driver
- new SoC support: S912/GXM series (8x A53)
- new boards: Nexbox A1 (S912), Nexbox A95X (S905X)
- resets for 2nd USB PHY
- update SCPI compatible for pre-v1.0 devices
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Merge tag 'amlogic-dt64-2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt64
Pull "Amlogic 64-bit DT updates for v4.10, round 2" from Kevin Hilman:
- new SoC support: S912/GXM series (8x A53)
- new boards: Nexbox A1 (S912), Nexbox A95X (S905X)
- resets for 2nd USB PHY
- update SCPI compatible for pre-v1.0 devices
* tag 'amlogic-dt64-2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM64: dts: meson-gxbb: add SCPI pre-1.0 compatible
ARM64: dts: meson-gxl: Add support for Nexbox A95X
ARM64: dts: meson-gxm: Add support for the Nexbox A1
ARM64: dts: Add support for Meson GXM
ARM64: dts: meson-gxbb: add the USB reset also to the second USB PHY
Add clock controller device nodes, including one top clock controller,
two low speed clock controllers and one audio clock controller.
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Merge tag 'zte-dt64-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt64
Pull "ZTE arm64 device tree update for 4.10" from Shawn Guo:
Add clock controller device nodes, including one top clock controller,
two low speed clock controllers and one audio clock controller.
* tag 'zte-dt64-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: zx: Add clock controller nodes
- fix some dtc compiler warnings
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Merge tag 'berlin64-dt-for-v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jszhang/linux-berlin into next/dt64
Pull "Berlin64 DT changes for v4.10" from Jisheng Zhang:
- fix some dtc compiler warnings
* tag 'berlin64-dt-for-v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jszhang/linux-berlin:
arm64: dts: berlin4ct-dmp: add missing unit name to /memory node
arm64: dts: berlin4ct-stb: add missing unit name to /memory node
arm64: dts: berlin4ct: add missing unit name to /soc node
as the binding doc for the 32bit rk1108 eval board to prevent it
from conflicting with the recently added 64bit px5 board.
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Merge tag 'v4.10-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt64
Pull "Rockchip dts64 changes for 4.10" from Heiko Stübner:
Some more powerdomains and usb2-otg support for the rk3399 as well
as the binding doc for the 32bit rk1108 eval board to prevent it
from conflicting with the recently added 64bit px5 board.
* tag 'v4.10-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
dt-bindings: add rockchip RK1108 Evaluation board
arm64: dts: rockchip: add usb2-phy otg-port support for rk3399
arm64: dts: rockchip: add pd_sd power-domain node for rk3399
arm64: dts: rockchip: add eMMC's power domain support for rk3399
arm64: dts: rockchip: add backlight support for rk3399 evb board
arm64: dts: rockchip: add gmac needed pclk for rk3399 pd
to basically boot.
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Merge tag 'v4.10-rockchip-defconfig64' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/arm64
Pull "Rockchip defconfig64 changes for 4.10" from Heiko Stübner:
64bit defconfig changes to allow arm64 Rockchip socs
to basically boot.
* tag 'v4.10-rockchip-defconfig64' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: defconfig: allow rk3399-based boards to boot from mmc and usb
arm64: defconfig: enable RK808 components
arm64: defconfig: enable I2C and DW MMC controller on rockchip platform
The sysfs ABI to GPIO is marked obsolete and should not be
encouraged. Users should be encouraged to switch to using the
character device.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The sysfs ABI to GPIO is marked obsolete and should not be
encouraged. Users should be encouraged to switch to using the
character device.
Let's begin by removing it from the multi defconfigs. Then
as time goes by I can aggressively remove it from other
defconfigs.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* Add SDHC xo clk
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Merge tag 'qcom-dts-for-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/dt
Pull "Qualcomm Device Tree Changes for v4.10 - Part 2" from Andy Gross:
* Add SDHC xo clk
* tag 'qcom-dts-for-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
ARM: dts: Add xo to sdhc clock node on qcom platforms
* Add SDHC xo clk and 1.8V DDR support
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Merge tag 'qcom-arm64-for-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/dt64
Pull "Qualcomm ARM64 Updates for v4.10 - Part 2" from Andy Gross:
* Add SDHC xo clk and 1.8V DDR support
* tag 'qcom-arm64-for-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: dts: qcom: msm8916: Add ddr support to sdhc1
ARM: dts: Add xo to sdhc clock node on qcom platforms
1. Add Performance Monitor Unit to Exynos7.
2. Add MFC, JPEG and Gscaler to Exynos5433 based TM2 board.
3. Cleanups and fixes for recently added TM2 and TM2E boards.
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Merge tag 'samsung-dt64-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt64
Pull "Samsung DeviceTree arm64 second update for v4.10" from Krzysztof Kozłowski:
1. Add Performance Monitor Unit to Exynos7.
2. Add MFC, JPEG and Gscaler to Exynos5433 based TM2 board.
3. Cleanups and fixes for recently added TM2 and TM2E boards.
* tag 'samsung-dt64-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: dts: exynos: Enable HS400 mode for eMMC for TM2
arm64: dts: exynos: Add the mshc_2 node for supporting T-Flash
arm64: dts: exynos: TM2 - add support for MFC video codec device
arm64: dts: exynos: TM2 - add support for JPEG codec device
arm64: dts: exynos: TM2 - add support for GScaler devices
arm64: dts: exynos: TM2 - remove unused UART3 and set clocks directly on CMU
arm64: dts: exynos: Assign parent clock of the clkout clock for TM2 board
arm64: dts: exynos: Move FSYS CMU configuration from Exynos5433 dtsi to TM2 dts
arm64: dts: exynos: Add missing parent clocks to audio block in Exynos5433 SoC
arm64: dts: exynos: Fix FSYS CMU parent clocks in Exynos5433 SoC
arm64: dts: exynos: Fix IRQ type flags for Exynos5433 SoC
arm64: dts: Add ARM PMU node for exynos7
please pull the following changes:
- Eric updates the ARMv8 defconfig to contain everything that is needed to run
a 64-bit kernel on the Raspberry Pi 3
- Scott enables the standard AT25 EEPROM driver as module for the ARM64 defconfig
- Martin enables the Raspberry Pi Thermal driver in the ARM64 defconfig
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Merge tag 'arm-soc/for-4.10/defconfig-arm64' of http://github.com/Broadcom/stblinux into next/arm64
Pull "Broadcom defconfig-arm64 changes for 4.10" from Florian Fainelli:
This pull request contains Broadcom ARM64-based SoCs defconfig changes for 4.10,
please pull the following changes:
- Eric updates the ARMv8 defconfig to contain everything that is needed to run
a 64-bit kernel on the Raspberry Pi 3
- Scott enables the standard AT25 EEPROM driver as module for the ARM64 defconfig
- Martin enables the Raspberry Pi Thermal driver in the ARM64 defconfig
* tag 'arm-soc/for-4.10/defconfig-arm64' of http://github.com/Broadcom/stblinux:
ARM64: bcm2835: add thermal driver to default config
arm64: defconfig: enable EEPROM_AT25 config option
arm64: Add BCM2835 (Raspberry Pi 3) support to the defconfig
pull the following:
- Florian updates the multi_v7_defconfig with the relevant basic drivers needed
for the Broadcom BCM5301x (Northstar) SoCs to reboot, have PCIe, and Ethernet
- Martin enables the Raspberry Pi thermal driver in bcm2835_defconfig
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Merge tag 'arm-soc/for-4.10/defconfig' of http://github.com/Broadcom/stblinux into next/defconfig
Pull "Broadcom defconfig changes for 4.10" from Florian Fainelli:
This pull request contains Broadcom ARM-based defconfig changes for 4.10, please
pull the following:
- Florian updates the multi_v7_defconfig with the relevant basic drivers needed
for the Broadcom BCM5301x (Northstar) SoCs to reboot, have PCIe, and Ethernet
- Martin enables the Raspberry Pi thermal driver in bcm2835_defconfig
* tag 'arm-soc/for-4.10/defconfig' of http://github.com/Broadcom/stblinux:
ARM: bcm2835: add thermal driver to default config
ARM: multi_v7_defconfig: Enable BCM47xx/BCM5301x drivers
Up until now we had ARC PGU not enabled in axs10x defconfigs trying
to not bloat kernel image again with yet another drivers and subsystems.
This change configures ARC PGU (as well as DRM bits it depends on)
to be built as a module and so those who need LCD screen to work on
axs10x may bundle built .ko files in their target's file-system with
help of the following command on host:
------------->8-------------
make INSTALL_MOD_PATH=_path_to_target_fs_ modules_install
------------->8-------------
and later on target with commands as simple as:
------------->8-------------
modprobe adv7511.ko
modprobe arcpgu.ko
------------->8-------------
get LCD working.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
There are more ARC Linux HAPS users than Zebu ones.
Same kernel would work fine on both, even with embedded DT, assuming the FPGA
bitfile configuration is same
Suggested-by: Francois Bedard <fbedard@ynopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This new header file is for NPS400 SoC (part of ARC architecture).
The header file includes macros for save/restore of HW scheduling.
The control of HW scheduling is achieved by writing core registers.
This code was moved from arc/plat-eznps so it can be used
from drivers/clocksource/, available only for CONFIG_EZNPS_MTM_EXT.
Signed-off-by: Noam Camus <noamca@mellanox.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This adds support for
- CONFIG_ARC_TIMERS : legacy 32-bit TIMER0 and TIMER1 which count UP
from @CNT to @LIMIT, before optionally triggering an interrupt.
These are programmed using ARC auxiliary register interface.
These are present in all ARC cores (ARC700 and ARC HS38)
TIMER0 serves as clockevent for all ARC linux builds.
TIMER1 is used for clocksource in arc700 builds.
- CONFIG_ARC_TIMERS_64BIT: 64-bit counters, RTC and GFRC found in
ARC HS38 cores. These are independnet IP blocks with different
programming model respectively.
Link: http://lkml.kernel.org/r/20161111231132.GA4186@mai
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
