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With change of syntax for 'simple-audio-card,dai-link' containers,
devicetrees of stih410 must be updated.
This fixes the following error:
[ 3.839466] asoc-simple-card sound: asoc_simple_card_dai_link_of:
Can't find simple-audio-card,cpu DT node
[ 3.849150] asoc-simple-card sound: parse error -22
Signed-off-by: Christophe Priouzeau <christophe.priouzeau@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
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Update VDD_SOC voltage to 1.25V for 900MHz operating point
according to datasheet Rev. 1.3, 08/2018, 25mV is added to
the minimum allowed values to cover power supply ripple.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add support for the bananapi R64 (BPI-R64) development board from
BIPAI KEJI. Detailed hardware information for BPI-R64 which could be
found on http://wiki.banana-pi.org/Banana_Pi_BPI-R64
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Fix ram size to 512 megabytes and sort nodes in alphabetical order.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add a built-in bluetooth 5 support for MT7622.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add device tree entries for timer, ARM CCI-400 and its PMU.
Otherwise, we add a cortex-a53-pmu node to enable hw perfevents.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Now that deliberate writes to swapper_pg_dir are made via the fixmap, we
can defend against errant writes by moving it into the rodata section.
Since tramp_pg_dir and reserved_ttbr0 must be at a fixed offset from
swapper_pg_dir, and are not modified at runtime, these are also moved
into the rodata section. Likewise, idmap_pg_dir is not modified at
runtime, and is moved into rodata.
Signed-off-by: Jun Yao <yaojun8558363@gmail.com>
Reviewed-by: James Morse <james.morse@arm.com>
[Mark: simplify linker script, commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Once swapper_pg_dir is in the rodata section, it will not be possible to
modify it directly, but we will need to modify it in some cases.
To enable this, we can use the fixmap when deliberately modifying
swapper_pg_dir. As the pgd is only transiently mapped, this provides
some resilience against illicit modification of the pgd, e.g. for
Kernel Space Mirror Attack (KSMA).
Signed-off-by: Jun Yao <yaojun8558363@gmail.com>
Reviewed-by: James Morse <james.morse@arm.com>
[Mark: simplify ifdeffery, commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Since the address of swapper_pg_dir is fixed for a given kernel image,
it is an attractive target for manipulation via an arbitrary write. To
mitigate this we'd like to make it read-only by moving it into the
rodata section.
We require that swapper_pg_dir is at a fixed offset from tramp_pg_dir
and reserved_ttbr0, so these will also need to move into rodata.
However, swapper_pg_dir is allocated along with some transient page
tables used for boot which we do not want to move into rodata.
As a step towards this, this patch separates the boot-time page tables
into a new init_pg_dir, and reduces swapper_pg_dir to the single page it
needs to be. This allows us to retain the relationship between
swapper_pg_dir, tramp_pg_dir, and swapper_pg_dir, while cleanly
separating these from the boot-time page tables.
The init_pg_dir holds all of the pgd/pud/pmd/pte levels needed during
boot, and all of these levels will be freed when we switch to the
swapper_pg_dir, which is initialized by the existing code in
paging_init(). Since we start off on the init_pg_dir, we no longer need
to allocate a transient page table in paging_init() in order to ensure
that swapper_pg_dir isn't live while we initialize it.
There should be no functional change as a result of this patch.
Signed-off-by: Jun Yao <yaojun8558363@gmail.com>
Reviewed-by: James Morse <james.morse@arm.com>
[Mark: place init_pg_dir after BSS, fold mm changes, commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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In subsequent patches we'll use a transient pgd during the primary cpu's
boot process. To make this work while allowing secondary cpus to use the
swapper_pg_dir, we need to pass the relevant TTBR1 pgd as a parameter
to __enable_mmu().
This patch updates __enable__mmu() to take this as a parameter, updating
callsites to pass swapper_pg_dir for now.
There should be no functional change as a result of this patch.
Signed-off-by: Jun Yao <yaojun8558363@gmail.com>
Reviewed-by: James Morse <james.morse@arm.com>
[Mark: simplify assembly, clarify commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Currently associativity is used to lookup node-id even if the
preceding VPHN hcall failed. However this can cause CPU to be made
part of the wrong node, (most likely to be node 0). This is because
VPHN is not enabled on KVM guests.
With 2ea6263 ("powerpc/topology: Get topology for shared processors at
boot"), associativity is used to set to the wrong node. Hence KVM
guest topology is broken.
For example : A 4 node KVM guest before would have reported.
[root@localhost ~]# numactl -H
available: 4 nodes (0-3)
node 0 cpus: 0 1 2 3
node 0 size: 1746 MB
node 0 free: 1604 MB
node 1 cpus: 4 5 6 7
node 1 size: 2044 MB
node 1 free: 1765 MB
node 2 cpus: 8 9 10 11
node 2 size: 2044 MB
node 2 free: 1837 MB
node 3 cpus: 12 13 14 15
node 3 size: 2044 MB
node 3 free: 1903 MB
node distances:
node 0 1 2 3
0: 10 40 40 40
1: 40 10 40 40
2: 40 40 10 40
3: 40 40 40 10
Would now report:
[root@localhost ~]# numactl -H
available: 4 nodes (0-3)
node 0 cpus: 0 2 3 4 5 6 7 8 9 10 11 12 13 14 15
node 0 size: 1746 MB
node 0 free: 1244 MB
node 1 cpus:
node 1 size: 2044 MB
node 1 free: 2032 MB
node 2 cpus: 1
node 2 size: 2044 MB
node 2 free: 2028 MB
node 3 cpus:
node 3 size: 2044 MB
node 3 free: 2032 MB
node distances:
node 0 1 2 3
0: 10 40 40 40
1: 40 10 40 40
2: 40 40 10 40
3: 40 40 40 10
Fix this by skipping associativity lookup if the VPHN hcall failed.
Fixes: 2ea626306810 ("powerpc/topology: Get topology for shared processors at boot")
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Current we store the userspace r1 to PACATMSCRATCH before finally
saving it to the thread struct.
In theory an exception could be taken here (like a machine check or
SLB miss) that could write PACATMSCRATCH and hence corrupt the
userspace r1. The SLB fault currently doesn't touch PACATMSCRATCH, but
others do.
We've never actually seen this happen but it's theoretically
possible. Either way, the code is fragile as it is.
This patch saves r1 to the kernel stack (which can't fault) before we
turn MSR[RI] back on. PACATMSCRATCH is still used but only with
MSR[RI] off. We then copy r1 from the kernel stack to the thread
struct once we have MSR[RI] back on.
Suggested-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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When we treclaim we store the userspace checkpointed r13 to a scratch
SPR and then later save the scratch SPR to the user thread struct.
Unfortunately, this doesn't work as accessing the user thread struct
can take an SLB fault and the SLB fault handler will write the same
scratch SPRG that now contains the userspace r13.
To fix this, we store r13 to the kernel stack (which can't fault)
before we access the user thread struct.
Found by running P8 guest + powervm + disable_1tb_segments + TM. Seen
as a random userspace segfault with r13 looking like a kernel address.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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To reuse the static functions and the struct declarations, move them to
corresponding header files and export the needed functions.
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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of_find_device_by_node takes a reference to the struct device when it
finds a match via get_device. but it fails to put_device in
at91_pm_config_ws, for_each_matching_node_and_match will get and put
the node properly, there is no need to call the of_put_node. Therefore,
just call put_device instead of of_node_put in at91_pm_config_ws.
Fixes: d7484f5c6b3b ("ARM: at91: pm: configure wakeup sources for ULP1 mode")
Suggested-by: Claudiu Beznea <Claudiu.Beznea@microchip.com>
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Enable all necessary device tree nodes and add connector node to device
trees for all supported A64 boards with HDMI.
Jagan, tested on BPI-M64, OPI-Win, A64-Olinuxino, NPI-A64
Vasily, tested on pine64-lts
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[Icenowy: squash all board patches altogether and change supply name]
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Tested-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Allwinner A64 have a display pipeline with 2 mixers/TCONs, the first
TCON is connected to LCD and the second is to HDMI.
The HDMI controller/PHY pair is similar to the one on H3/H5.
Add all required device tree nodes of the display pipeline, including
the TCON0 LCD one and the TCON1 HDMI one.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
[Icenowy: refactor commit message and add 1st pipeline]
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Whilst the symmetry of deferring to the existing sync callback in
__iommu_map_page() is nice, taking a round-trip through
iommu_iova_to_phys() is a pretty heavyweight way to get an address we
can trivially compute from the page we already have. Tweaking it to just
perform the cache maintenance directly when appropriate doesn't really
make the code any more complicated, and the runtime efficiency gain can
only be a benefit.
Furthermore, the sync operations themselves know they can only be
invoked on a managed DMA ops domain, so can use the fast specific domain
lookup to avoid excessive manipulation of the group refcount
(particularly in the scatterlist cases).
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Describe TPU in the R8A779{7|8}0 device trees.
Based on the original (and large) patches by Vladimir Barinov.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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R-Car Gen3 SoCs need to enable/deassert clocks/resets of both usb 2.0
host (included phy) and peripheral. Otherwise, other side device
cannot work correctly. So, this patch revises properties of clocks
and resets. After that, each device driver can enable/deassert
clocks/resets by its self.
Notes:
- To work the renesas_usbhs driver correctly when host side drivers
are disabled and the renesas_usbhs driver doesn't have multiple
clock management, this patch doesn't change the order of the clocks
property in each hsusb node.
- This patch doesn't have any side-effects even if the renesas_usbhs
driver doesn't have reset_control and multiple clock management.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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Pullup and down settings were missing, so add them to avoid
floating pins and make headset detection working.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add CEC support to the tda998x.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The full AM3517-EVM shipped with an add-on board which contained
two Audio codecs, a GPIO expander with a variety of buttons, and
some other features. This patch enables these portions of the UI
board because they don't directly conflict with existing features.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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This enables the possibility to have more aggressive runtime pm
by providing proper wakeup irq for the serial console.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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am574x-idk has no cpu vdd-supply at the moment. Hence hook smps12
regulator as cpu vdd-supply in am57xx-idk-common as the same regulator
feeds on to cpu on am571/2/4-idks. So remove all the individual
instances and place that in common place.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Building a riscv kernel with CONFIG_FUNCTION_TRACER and
CONFIG_MODVERSIONS enabled results in these two warnings:
MODPOST vmlinux.o
WARNING: EXPORT symbol "return_to_handler" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
When exporting symbols from an assembly file, the MODVERSIONS code
requires their prototypes to be defined in asm-prototypes.h (see
scripts/Makefile.build). Since both of these symbols have prototypes
defined in linux/ftrace.h, include this header from RISC-V's
asm-prototypes.h.
Reported-by: Karsten Merker <merker@debian.org>
Signed-off-by: James Cowgill <jcowgill@debian.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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We only use it in biovec_phys_mergeable and a m68k paravirt driver,
so just opencode it there. Also remove the pointless unsigned long cast
for the offset in the opencoded instances.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Turn the macro into an inline, move it to blk.h and simplify the
arch hooks a bit.
Also rename the function to biovec_phys_mergeable as there is no need
to shout.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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A number of our interrupts were incorrectly specified, fix both the PPI
and SPI interrupts to be correct.
Fixes: b5762cacc411 ("ARM: bcm63138: add NAND DT support")
Fixes: 46d4bca0445a ("ARM: BCM63XX: add BCM63138 minimal Device Tree")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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MMC host controller bindings and MMC core defines card detect pin as
active low. Therefore there is no point to invert it twice.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
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The proper parent clock for audio subsystem for Exynos5420 and Exynos5800
SoCs is CLK_MAU_EPLL. This fixes following warning:
clk: failed to reparent mout_audss to fout_epll: -22
Fixes: ed7d1307077e: ARM: dts: exynos: Enable HDMI audio support on Peach Pit
Fixes: bae0f445c1e7: ARM: dts: exynos: Enable HDMI audio support on Peach Pi
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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For contiguous hugetlb, huge_ptep_set_access_flags performs a
get_clear_flush (which then flushes the TLBs) even when no change of ptes
is necessary.
Unfortunately, this behaviour can lead to back-to-back page faults being
generated when running with multiple threads that access the same
contiguous huge page.
Thread 1 | Thread 2
-----------------------------+------------------------------
hugetlb_fault |
huge_ptep_set_access_flags |
-> invalidate pte range | hugetlb_fault
continue processing | wait for hugetlb_fault_mutex
release mutex and return | huge_ptep_set_access_flags
| -> invalidate pte range
hugetlb_fault
...
This patch changes huge_ptep_set_access_flags s.t. we first read the
contiguous range of ptes (whilst preserving dirty information); the pte
range is only then invalidated where necessary and this prevents further
spurious page faults.
Fixes: d8bdcff28764 ("arm64: hugetlb: Add break-before-make logic for contiguous entries")
Reported-by: Lei Zhang <zhang.lei@jp.fujitsu.com>
Signed-off-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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In the contiguous bit hugetlb break-before-make code we assume that all
hugetlb pages are young.
In fact, remove_migration_pte is able to place an old hugetlb pte so
this assumption is not valid.
This patch fixes the contiguous hugetlb scanning code to preserve young
ptes.
Fixes: d8bdcff28764 ("arm64: hugetlb: Add break-before-make logic for contiguous entries")
Signed-off-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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KVM has an old optimization whereby accesses to the kernel GS base MSR
are trapped when the guest is in 32-bit and not when it is in 64-bit mode.
The idea is that swapgs is not available in 32-bit mode, thus the
guest has no reason to access the MSR unless in 64-bit mode and
32-bit applications need not pay the price of switching the kernel GS
base between the host and the guest values.
However, this optimization adds complexity to the code for little
benefit (these days most guests are going to be 64-bit anyway) and in fact
broke after commit 678e315e78a7 ("KVM: vmx: add dedicated utility to
access guest's kernel_gs_base", 2018-08-06); the guest kernel GS base
can be corrupted across SMIs and UEFI Secure Boot is therefore broken
(a secure boot Linux guest, for example, fails to reach the login prompt
about half the time). This patch just removes the optimization; the
kernel GS base MSR is now never trapped by KVM, similarly to the FS and
GS base MSRs.
Fixes: 678e315e78a780dbef384b92339c8414309dbc11
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We need to maintain backwards compatibility with device trees that don't
define an enable method. At the same time we want the device tree to be
able to specify an enable-method and have it stick.
Previously by having smp assigned in the DT_MACHINE definition this
would be picked up by setup_arch() and override whatever
arm_dt_init_cpu_maps() had configured. Now we move the initial
assignment of default smp_ops to a dt_fixup and let
arm_dt_init_cpu_maps() override that if the device tree defines an
enable-method.
[olof@lixom.net: Wrap set_smp_ops() in CONFIG_SMP.]
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com> (on AX3)
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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It is good practice to make the setting of gpio-pinctrls explicitly in the
devicetree, and in this case even necessary.
Rockchip boards start with iomux settings set to gpio for most pins and
while the linux pinctrl driver also implicitly sets the gpio function if
a pin is requested as gpio that is not necessarily true for other drivers.
The issue in question stems from uboot, where the sdmmc_pwr pin is set
to function 1 (sdmmc-power) by the bootrom when reading the 1st-stage
loader. The regulator controlled by the pin is active-low though, so
when the dwmmc hw-block sets its enabled bit, it actually disables the
regulator. By changing the pin back to gpio we fix that behaviour.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Enable the newly added controller on the px30 evaluation board.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the node for the dwc2-based otg controller on the px30 soc.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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For a long time the gpio-omap custom PM calls have been annoying me so
let's replace them with cpu_pm instead. This will enable GPIO PM for
deeper idle states on omap4. And we can handle GPIO PM for omap2/3/4
in the same way.
Note that with this patch we are also slightly changing GPIO PM to be
less aggressive for omap3 and only will idle GPIO when PER context
may be lost.
For omap2, we don't need to save context and don't want to remove any
triggering so let's add a quirk flag for that.
Let's do this all in a single patch to avoid a situation where old
custom calls still are used with new code.
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Ladislav Michl <ladis@linux-mips.org>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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After migration of a powerpc LPAR, the kernel executes code to
update the system state to reflect new platform characteristics.
Such changes include modifications to device tree properties provided
to the system by PHYP. Property notifications received by the
post_mobility_fixup() code are passed along to the kernel in general
through a call to of_update_property() which in turn passes such
events back to all modules through entries like the '.notifier_call'
function within the NUMA module.
When the NUMA module updates its state, it resets its event timer. If
this occurs after a previous call to stop_topology_update() or on a
system without VPHN enabled, the code runs into an unitialized timer
structure and crashes. This patch adds a safety check along this path
toward the problem code.
An example crash log is as follows.
ibmvscsi 30000081: Re-enabling adapter!
------------[ cut here ]------------
kernel BUG at kernel/time/timer.c:958!
Oops: Exception in kernel mode, sig: 5 [#1]
LE SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: nfsv3 nfs_acl nfs tcp_diag udp_diag inet_diag lockd unix_diag af_packet_diag netlink_diag grace fscache sunrpc xts vmx_crypto pseries_rng sg binfmt_misc ip_tables xfs libcrc32c sd_mod ibmvscsi ibmveth scsi_transport_srp dm_mirror dm_region_hash dm_log dm_mod
CPU: 11 PID: 3067 Comm: drmgr Not tainted 4.17.0+ #179
...
NIP mod_timer+0x4c/0x400
LR reset_topology_timer+0x40/0x60
Call Trace:
0xc0000003f9407830 (unreliable)
reset_topology_timer+0x40/0x60
dt_update_callback+0x100/0x120
notifier_call_chain+0x90/0x100
__blocking_notifier_call_chain+0x60/0x90
of_property_notify+0x90/0xd0
of_update_property+0x104/0x150
update_dt_property+0xdc/0x1f0
pseries_devicetree_update+0x2d0/0x510
post_mobility_fixup+0x7c/0xf0
migration_store+0xa4/0xc0
kobj_attr_store+0x30/0x60
sysfs_kf_write+0x64/0xa0
kernfs_fop_write+0x16c/0x240
__vfs_write+0x40/0x200
vfs_write+0xc8/0x240
ksys_write+0x5c/0x100
system_call+0x58/0x6c
Fixes: 5d88aa85c00b ("powerpc/pseries: Update CPU maps when device tree is updated")
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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x0 is not callee-saved in the PCS. So there is no need to specify
-fcall-used-x0.
Clang doesn't currently support -fcall-used flags. This patch will help
building the kernel with clang.
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Tri Vo <trong@android.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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It can't boot without bootargs settings on Uboot on ulcb board.
This patch adds missing default bootargs.
ulcb BSP can overwrite it by own UBoot settings.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt
Samsung mach/soc changes for v4.20
1. Fix imprecise abort during Odroid XU3-family suspend to RAM (but it
is not end of work needed for suspend).
2. Cleanup and fix of SD card write protect on MINI2440.
* tag 'samsung-soc-4.20' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c24xx: Restore proper usage of pr_info/pr_cont
ARM: s3c24xx: Correct SD card write protect detection on Mini2440
ARM: s3c24xx: Consistently use tab for indenting member assignments
ARM: s3c24xx: formatting cleanup in mach-mini2440.c
ARM: s3c24xx: Remove empty gta02_pmu children probe
ARM: exynos: Fix imprecise abort during Exynos5422 suspend to RAM
ARM: exynos: Store Exynos5420 register state in one variable
Signed-off-by: Olof Johansson <olof@lixom.net>
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into next/dt
ARM: DT: Hisilicon ARM32 SoCs updates for 4.20
- Switch to updated coresight bindings for hip04 SoC
* tag 'hisi-arm32-dt-for-4.20' of git://github.com/hisilicon/linux-hisi:
arm: dts: hip04: Update coresight bindings for hardware ports
Signed-off-by: Olof Johansson <olof@lixom.net>
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into next/dt
ARM64: DT: Hisilicon SoC DT updates for 4.20
- Add missing clocks for Hi6220
- Switch to updated coresight bindings for Hi6220
- Add DT bindings and support for Hi3670 SoC and HiKey970 board
* tag 'hisi-arm64-dt-for-4.20' of git://github.com/hisilicon/linux-hisi:
arm64: dts: Add devicetree support for HiKey970 board
dt-bindings: arm: hisilicon: Add binding for HiKey970 board
arm64: dts: Add devicetree for Hisilicon Hi3670 SoC
dt-bindings: arm: hisilicon: Add binding for Hi3670 SoC
arm64: dts: hi6220: Update coresight bindings for hardware ports
arm64: dts: hisilicon: Add missing clocks property for CPUs
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into next/dt
STM32 DT updates for v4.20, round 1
Highlights:
----------
- MCU platforms update:
- Add missing clock node's lobel on stm32f429
- Remove cd-inverted property for sdio nodes for all mcus
- Fix stm32h7 rtc binding
- MPU STM32MP157 platform update:
- Enable display: CEC and DSI
- Fix SPI node name to match with the new DTC
* tag 'stm32-dt-for-v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
ARM: dts: stm32: Fix SPI controller node names
ARM: dts: stm32: enable display on stm32mp157c-ev1 board
ARM: dts: stm32: update rtc st,syscfg property on stm32h743
ARM: dts: stm32: Remove cd-inverted property for stm32f746-disco
ARM: dts: stm32: Remove cd-inverted property for stm32f769-disco
ARM: dts: stm32: Remove cd-inverted property for stm32f469-disco
ARM: dts: stm32: Remove cd-inverted property for stm32429i-eval
ARM: dts: stm32: Add clk-lse node's label on stm32f429
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt
Ux500 DTS changes for the v4.20 kernel cycle.
Assorted housekeeping DTS patches.
* tag 'ux500-dts-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: dts: ux500: Mark PRCMU as syscon compatible
arm: dts: ste: Update coresight bindings for hardware port
ARM: dts: ste: Fix SPI controller node names
ARM: dts: ux500: Get rid of DTC warnings
ARM: dts: ux500: Fix LCDA clock line muxing
dt-bindings: arm: scu: Correct example SCU unit addresses
ARM: dts: ux500: Correct SCU unit address
Signed-off-by: Olof Johansson <olof@lixom.net>
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