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The MT8183 display PWM device will not work until the associated
power-domain is enabled. Add the power-domain reference to the node
allows the display PWM driver to operate and the backlight turn on.
Fixes: f15722c0fef0 ("arm64: dts: mt8183: Add pwm and backlight node")
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20210113215723.71966-1-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add support for the variant of the Jetson Xavier NX Developer Kit that
has a system-on-module which includes an eMMC.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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There are two versions of the Jetson Xavier NX system-on-module; one
with a micro SD-card slot and one with an eMMC. Currently, only the
system-on-module with the micro SD-card slot is supported. Before adding
support for the eMMC variant, move the common device-tree parts of the
existing Jetson Xavier NX system-on-module board (p3668-0000) and
reference carrier board (p3509-0000) into include files that can be used
by both Jetson Xavier NX variants.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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mt8183 gamma is different with mt8173
remove mt8173 compatible name for mt8183 gamma
Fixes: 91f9c963ce79 ("arm64: dts: mt8183: Add display nodes for MT8183")
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210128112314.1304160-3-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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property name must include only lowercase and '-'
Fixes: 91f9c963ce79 ("arm64: dts: mt8183: Add display nodes for MT8183")
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20210128112314.1304160-2-hsinyi@chromium.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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We can use CPU specific pmu configuration to expose the appropriate
CPU specific events rather than just the basic generic pmuv3 perf
events.
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Tero Kristo <kristo@kernel.org>
Link: https://lore.kernel.org/r/20210120195145.32259-1-nm@ti.com
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic fixes for v5.11-rc (round 3)
- fix reboot issue on odroid C4
* tag 'amlogic-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
Link: https://lore.kernel.org/r/7hk0ryi6rs.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic fixes for v5.11-rc (round 2)
- fix ethernet resets
* tag 'amlogic-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
Revert "arm64: dts: amlogic: add missing ethernet reset ID"
Link: https://lore.kernel.org/r/7ho8hai7e6.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Wrong irq number on px30 and cleanups of stuff on rk3399 regarding
wrongly used dt properties and parts that shouldn't be enabled.
* tag 'v5.11-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Disable display for NanoPi R2S
arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
arm64: dts: rockchip: Fix PCIe DT properties on rk3399
arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook Pro
arm64: dts: rockchip: fix vopl iommu irq on px30
Link: https://lore.kernel.org/r/5429065.DvuYhMxLoT@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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For the proper reboot Odroid-C4 board requires to switch TFLASH_VDD_EN
pin to the high impedance mode, otherwise the board is stuck in the
middle of loading early stages of the bootloader from SD card.
This can be achieved by using the OPEN_DRAIN flag instead of the
ACTIVE_HIGH, what will leave the pin in input mode to achieve high state
(pin has the pull-up) and solve the issue.
Suggested-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: 326e57518b0d ("arm64: dts: meson-sm1: add support for Hardkernel ODROID-C4")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210122055218.27241-1-m.szyprowski@samsung.com
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x0 will contain the only argument to arm64_relocate_new_kernel; don't
use it as a temp. Reassigned registers to free-up x0 so we won't need
to copy argument, and can use it at the beginning and at the end of the
function.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-13-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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In preparation to bigger changes to arm64_relocate_new_kernel that would
enable this function to do MMU backed memory copy, do few clean-ups and
optimizations. These include:
1. Call raw_dcache_line_size() only when relocation is actually going to
happen. i.e. kdump type kexec, does not need it.
2. copy_page(dest, src, tmps...) increments dest and src by PAGE_SIZE, so
no need to store dest prior to calling copy_page and increment it
after. Also, src is not used after a copy, not need to copy either.
3. For consistency use comment on the same line with instruction when it
describes the instruction itself.
4. Some comment corrections
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-12-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Currently, kexec_image_info() is called during load time, and
right before kernel is being kexec'ed. There is no need to do both.
So, call it only once when segments are loaded and the physical
location of page with copy of arm64_relocate_new_kernel is known.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-11-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Currently, kernel relocation function is configured in machine_kexec()
at the time of kexec reboot by using control_code_page.
This operation, however, is more logical to be done during kexec_load,
and thus remove from reboot time. Move, setup of this function to
newly added machine_kexec_post_load().
Because once MMU is enabled, kexec control page will contain more than
relocation kernel, but also vector table, add pointer to the actual
function within this page arch.kern_reloc. Currently, it equals to the
beginning of page, we will add offsets later, when vector table is
added.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-10-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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routines
To resume from hibernate, the contents of memory are restored from
the swap image. This may overwrite any page, including the running
kernel and its page tables.
Hibernate copies the code it uses to do the restore into a single
page that it knows won't be overwritten, and maps it with page tables
built from pages that won't be overwritten.
Today the address it uses for this mapping is arbitrary, but to allow
kexec to reuse this code, it needs to be idmapped. To idmap the page
we must avoid the kernel helpers that have VA_BITS baked in.
Convert create_single_mapping() to take a single PA, and idmap it.
The page tables are built in the reverse order to normal using
pfn_pte() to stir in any bits between 52:48. T0SZ is always increased
to cover 48bits, or 52 if the copy code has bits 52:48 in its PA.
Signed-off-by: James Morse <james.morse@arm.com>
[Adopted the original patch from James to trans_pgd interface, so it can be
commonly used by both Kexec and Hibernate. Some minor clean-ups.]
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Link: https://lore.kernel.org/linux-arm-kernel/20200115143322.214247-4-james.morse@arm.com/
Link: https://lore.kernel.org/r/20210125191923.1060122-9-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Because only the idmap sets a non-standard T0SZ, __cpu_set_tcr_t0sz()
can check for platforms that need to do this using
__cpu_uses_extended_idmap() before doing its work.
The idmap is only built with enough levels, (and T0SZ bits) to map
its single page.
To allow hibernate, and then kexec to idmap their single page copy
routines, __cpu_set_tcr_t0sz() needs to consider additional users,
who may need a different number of levels/T0SZ-bits to the idmap.
(i.e. VA_BITS may be enough for the idmap, but not hibernate/kexec)
Always read TCR_EL1, and check whether any work needs doing for
this request. __cpu_uses_extended_idmap() remains as it is used
by KVM, whose idmap is also part of the kernel image.
This mostly affects the cpuidle path, where we now get an extra
system register read .
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>
CC: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-8-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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trans_pgd_* should be independent from mm context because the tables that
are created by this code are used when there are no mm context around, as
it is between kernels. Simply replace mm_init's with NULL.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-7-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Make trans_pgd_create_copy and its subroutines to use allocator that is
passed as an argument
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-6-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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kexec is going to use a different allocator, so make
trans_pgd_map_page to accept allocator as an argument, and also
kexec is going to use a different map protection, so also pass
it via argument.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-5-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Now, that we abstracted the required functions move them to a new home.
Later, we will generalize these function in order to be useful outside
of hibernation.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-4-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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There should be p4dp used when p4d page is allocated.
This is not a functional issue, but for the logical correctness this
should be fixed.
Fixes: e9f6376858b9 ("arm64: add support for folded p4d page tables")
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-3-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Currently, dtb_mem is enabled only when CONFIG_KEXEC_FILE is
enabled. This adds ugly ifdefs to c files.
Always enabled dtb_mem, when it is not used, it is NULL.
Change the dtb_mem to phys_addr_t, as it is a physical address.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20210125191923.1060122-2-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
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Commit 507d664450f8 ("arm64: mm: Remove unused header file") removed
a bunch of apparently "unused" header inclusions from our mm/mmap.c
implementation, but in doing so introduced the following warning when
building with W=1:
>> arch/arm64/mm/mmap.c:17:5: warning: no previous prototype for 'valid_phys_addr_range' [-Wmissing-prototypes]
17 | int valid_phys_addr_range(phys_addr_t addr, size_t size)
| ^~~~~~~~~~~~~~~~~~~~~
>> arch/arm64/mm/mmap.c:36:5: warning: no previous prototype for 'valid_mmap_phys_addr_range' [-Wmissing-prototypes]
36 | int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Add back the linux/io.h header inclusion to pull in the missing
prototypes.
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/202101271438.V9TmBC31-lkp@intel.com
Signed-off-by: Will Deacon <will@kernel.org>
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Remove SATA from Stingray as it is unsupported.
Acked-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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PMB (Power Management Bus) controls powering connected devices (e.g.
PCIe, USB, SATA). In BCM4908 it's a part of the PROCMON block.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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BCM4908 has internal switch with 5 GPHYs. Ports 0 - 3 are always
connected to the internal PHYs. Remaining ports depend on device setup.
Asus GT-AC5300 has an extra switch with its PHYs accessible using the
internal MDIO.
CPU port and Ethernet interface remain to be documented.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Remove stale comment since commit a7ba121215fa ("arm64: use asm-generic/cacheflush.h")
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/1611575753-36435-1-git-send-email-zhangshaokun@hisilicon.com
Signed-off-by: Will Deacon <will@kernel.org>
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Many header files are never used, let's remove them directly.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Link: https://lore.kernel.org/r/1611663884-43329-1-git-send-email-zhangshaokun@hisilicon.com
Signed-off-by: Will Deacon <will@kernel.org>
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This patch enables QSPI on Jetson Xavier NX.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra194 has 2 QSPI controllers.
This patch adds DT node for these 2 QSPI controllers.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This patch enables QSPI on Jetson Nano.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Enable support for audio-graph based sound card on Jetson-Nano and
Jetson-TX1. Depending on the platform, required I/O interfaces are
enabled.
* Jetson-Nano: Enable I2S3, I2S4, DMIC1 and DMIC2.
* Jetson-TX1: Enable all I2S and DMIC interfaces.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Expose a header which describes DT bindings required to use audio-graph
based sound card. All Tegra210 based platforms can include this header
and add platform specific information. Currently, from SoC point of view,
all links are exposed for ADMAIF, AHUB, I2S and DMIC components.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Device tree nodes are ordered by unit-address and alphabetically by name
if a node doesn't have a unit-address. The thermal sensor and timer
nodes were not sorted in the correct order, so do that now.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This commit enables USB host mode at J512 type-C port of Jetson-Xavier.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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PMC driver provides USB sleepwalk registers access to XUSB PADCTL
driver. This commit adds a "nvidia,pmc" property which points to
PMC node to XUSB PADCTL device node.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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HDA initialization is failing occasionally on Tegra210 and following
print is observed in the boot log. Because of this probe() fails and
no sound card is registered.
[16.800802] tegra-hda 70030000.hda: no codecs found!
Codecs request a state change and enumeration by the controller. In
failure cases this does not seem to happen as STATETS register reads 0.
The problem seems to be related to the HDA codec dependency on SOR
power domain. If it is gated during HDA probe then the failure is
observed. Building Tegra HDA driver into kernel image avoids this
failure but does not completely address the dependency part. Fix this
problem by adding 'power-domains' DT property for Tegra210 HDA. Note
that Tegra186 and Tegra194 HDA do this already.
Fixes: 742af7e7a0a1 ("arm64: tegra: Add Tegra210 support")
Depends-on: 96d1f078ff0 ("arm64: tegra: Add SOR power-domain for Tegra210")
Cc: <stable@vger.kernel.org>
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt
Samsung DTS ARM64 changes for v5.12
Correct Samsung PMIC and S3FWRN5 NFC interrupts trigger levels on
TM2/TM2E and Espresso boards.
* tag 'samsung-dt64-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: dts: exynos: correct S3FWRN5 NFC interrupt trigger level on TM2
arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso
arm64: dts: exynos: correct PMIC interrupt trigger level on TM2
Link: https://lore.kernel.org/r/20210125191240.11278-4-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 defconfig fixes for v5.11
Devicetree patches for SDM845 introduced in v5.11 requires the
platform's interconnect driver to be buildin, or the kernel will fail to
provide a valid console when we hit userspace.
* tag 'qcom-arm64-defconfig-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: defconfig: Make INTERCONNECT_QCOM_SDM845 builtin
Link: https://lore.kernel.org/r/20210125232412.642834-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 fixes for 5.11
This fixes a regression in Lenovo Yoga C630, where the touchpad in some
units stopped working, by re-enabling the "tsc2" device.
It also marks the LPASS related clocks as protected to allow DB845c and
the Lenovo Yoga C630 to boot even if CONFIG_SDM_LPASSCC_845 is enabled.
* tag 'qcom-arm64-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
arm64: dts: qcom: c630: keep both touchpad devices enabled
Link: https://lore.kernel.org/r/20210125232039.642565-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic: fixes for v5.11-rc
- meson-g12: Set FL-adj property value
* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: amlogic: meson-g12: Set FL-adj property value
Link: https://lore.kernel.org/r/7hk0s0x3im.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull kvm fixes from Paolo Bonzini:
- x86 bugfixes
- Documentation fixes
- Avoid performance regression due to SEV-ES patches
- ARM:
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
KVM: x86: get smi pending status correctly
KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
KVM: x86: Add more protection against undefined behavior in rsvd_bits()
KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
KVM: Forbid the use of tagged userspace addresses for memslots
KVM: arm64: Filter out v8.1+ events on v8.0 HW
KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
KVM: arm64: Simplify handling of absent PMU system registers
KVM: arm64: Hide PMU registers from userspace when not available
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Currently, the __is_lm_address() check just masks out the top 12 bits
of the address, but if they are 0, it still yields a true result.
This has as a side effect that virt_addr_valid() returns true even for
invalid virtual addresses (e.g. 0x0).
Fix the detection checking that it's actually a kernel address starting
at PAGE_OFFSET.
Fixes: 68dd8ef32162 ("arm64: memory: Fix virt_addr_valid() using __is_lm_address()")
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210126134056.45747-1-vincenzo.frascino@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Specify bark interrupt for APSS watchdog to support pre-timeout
notification on SM8250 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/ff0758b158d62e82fd0636f5861115f435f821ac.1611466260.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Specify bark interrupt for APSS watchdog to support pre-timeout
notification on SM8150 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/02700a5ac413bf5a7e3a0102233d1d64b47bb2cf.1611466260.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Specify bark interrupt for APSS watchdog to support pre-timeout
notification on SDM845 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/7740e8ef57361d33da64e823b2356da2be0065b8.1611466260.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Specify bark interrupt for APSS watchdog to support pre-timeout
notification on SC7180 SoC.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Link: https://lore.kernel.org/r/535b368f6c22bab7078842d803a73e695f28a751.1611466260.git.saiprakash.ranjan@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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It has been reported on IRC and in KernelCI boot tests, this change breaks
internal PHY support on the Amlogic G12A/SM1 Based boards.
We suspect the added signal to reset more than the Ethernet MAC but also
the MDIO/(RG)MII mux used to redirect the MAC signals to the internal PHY.
This reverts commit f3362f0c18174a1f334a419ab7d567a36bd1b3f3 while we find
and acceptable solution to cleanly reset the Ethernet MAC.
Reported-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Jérôme Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210126080951.2383740-1-narmstrong@baylibre.com
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
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NanoPi R2S is headless, so rightly does not enable any of the display
interface hardware, which currently provokes an obnoxious error in the
boot log from the fake DRM device failing to find anything to bind to.
It probably isn't *too* hard to obviate the fake device shenanigans
entirely with a bit of driver reshuffling, but for now let's just
disable it here to shut up the spurious error.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/c4553dfad1ad6792c4f22454c135ff55de77e2d6.1611186099.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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