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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
6.7, please pull the following:
- Stefan corrects the disabling of the activity LED for the Raspberry Pi
400
* tag 'arm-soc/for-6.7/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm2711-rpi-400: Fix delete-node of led_act
Link: https://lore.kernel.org/r/20231205225021.653045-1-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V Devicetree fixes for v6.7-rc4
Two fixes, both rather minor. The first fixes some dtbs_check warnings
introduced after an update to the bindings, that returns the
architecture to being clean of dtbs_check issues. The second relocates
a soc-specific property to the appropriate location in $soc.dtsi, and
hopefully avoids the same mistake being copy-pasted into more
devicetrees.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-dt-fixes-for-v6.7-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
riscv: dts: microchip: move timebase-frequency to mpfs.dtsi
riscv: dts: sophgo: remove address-cells from intc node
Link: https://lore.kernel.org/r/20231130-maternity-majestic-dd29f0170050@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into arm/fixes
MediaTek ARM64 DeviceTree fixes for v6.7
Fixes for various MediaTek SoCs, including
MT7986: - eMMC HS400 mode failures
- Cooling trips for emergency system shutdown
- BPI-R3 machine SFP power limit and active cooling
MT8173: - EVB device tree unit_address_vs_reg warning
MT8183: - unit_address_vs_reg and simple_bus_reg warnings
- Kukui device tree nodes naming consistency and
adhering to bindings
- Jacuzzi device tree unnecessary cells removed as
those were producing avoid_unnecessary_addr_size
MT8186: - Power domains faults due to incorrect clocks
- GPU speed bin nvmem cell name was wrong, producing
issues with interpreting the speedbin with GPU OPPs
MT8195: - Local Arbiter (and whole system) ability to suspend
- Cherry device tree interrupts_property warning
...and another unit_address_vs_reg warning on MT7622.
* tag 'mtk-dts64-fixes-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux:
arm64: dts: mediatek: cherry: Fix interrupt cells for MT6360 on I2C7
arm64: dts: mediatek: mt8183-kukui-jacuzzi: fix dsi unnecessary cells properties
arm64: dts: mediatek: mt7622: fix memory node warning check
arm64: dts: mediatek: mt8186: fix clock names for power domains
arm64: dts: mediatek: mt8186: Change gpu speedbin nvmem cell name
arm64: dts: mt7986: change cooling trips
arm64: dts: mt7986: define 3W max power to both SFP on BPI-R3
arm64: dts: mt7986: fix emmc hs400 mode without uboot initialization
arm64: dts: mt8183: kukui: Fix underscores in node names
arm64: dts: mediatek: mt8183: Move thermal-zones to the root node
arm64: dts: mediatek: mt8173-evb: Fix regulator-fixed node names
arm64: dts: mediatek: mt8183-evb: Fix unit_address_vs_reg warning on ntc
arm64: dts: mediatek: mt8183: Fix unit address for scp reserved memory
arm64: dts: mediatek: mt8195: Fix PM suspend/resume with venc clocks
Link: https://lore.kernel.org/r/20231129113905.134732-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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We need to probe for IOCP only once during boot stage, as we were probing
for IOCP for all the stages this caused the below issue during module-init
stage,
[9.019104] Unable to handle kernel paging request at virtual address ffffffff8100d3a0
[9.027153] Oops [#1]
[9.029421] Modules linked in: rcar_canfd renesas_usbhs i2c_riic can_dev spi_rspi i2c_core
[9.037686] CPU: 0 PID: 90 Comm: udevd Not tainted 6.7.0-rc1+ #57
[9.043756] Hardware name: Renesas SMARC EVK based on r9a07g043f01 (DT)
[9.050339] epc : riscv_noncoherent_supported+0x10/0x3e
[9.055558] ra : andes_errata_patch_func+0x4a/0x52
[9.060418] epc : ffffffff8000d8c2 ra : ffffffff8000d95c sp : ffffffc8003abb00
[9.067607] gp : ffffffff814e25a0 tp : ffffffd80361e540 t0 : 0000000000000000
[9.074795] t1 : 000000000900031e t2 : 0000000000000001 s0 : ffffffc8003abb20
[9.081984] s1 : ffffffff015b57c7 a0 : 0000000000000000 a1 : 0000000000000001
[9.089172] a2 : 0000000000000000 a3 : 0000000000000000 a4 : ffffffff8100d8be
[9.096360] a5 : 0000000000000001 a6 : 0000000000000001 a7 : 000000000900031e
[9.103548] s2 : ffffffff015b57d7 s3 : 0000000000000001 s4 : 000000000000031e
[9.110736] s5 : 8000000000008a45 s6 : 0000000000000500 s7 : 000000000000003f
[9.117924] s8 : ffffffc8003abd48 s9 : ffffffff015b1140 s10: ffffffff8151a1b0
[9.125113] s11: ffffffff015b1000 t3 : 0000000000000001 t4 : fefefefefefefeff
[9.132301] t5 : ffffffff015b57c7 t6 : ffffffd8b63a6000
[9.137587] status: 0000000200000120 badaddr: ffffffff8100d3a0 cause: 000000000000000f
[9.145468] [<ffffffff8000d8c2>] riscv_noncoherent_supported+0x10/0x3e
[9.151972] [<ffffffff800027e8>] _apply_alternatives+0x84/0x86
[9.157784] [<ffffffff800029be>] apply_module_alternatives+0x10/0x1a
[9.164113] [<ffffffff80008fcc>] module_finalize+0x5e/0x7a
[9.169583] [<ffffffff80085cd6>] load_module+0xfd8/0x179c
[9.174965] [<ffffffff80086630>] init_module_from_file+0x76/0xaa
[9.180948] [<ffffffff800867f6>] __riscv_sys_finit_module+0x176/0x2a8
[9.187365] [<ffffffff80889862>] do_trap_ecall_u+0xbe/0x130
[9.192922] [<ffffffff808920bc>] ret_from_exception+0x0/0x64
[9.198573] Code: 0009 b7e9 6797 014d a783 85a7 c799 4785 0717 0100 (0123) aef7
[9.205994] ---[ end trace 0000000000000000 ]---
This is because we called riscv_noncoherent_supported() for all the stages
during IOCP probe. riscv_noncoherent_supported() function sets
noncoherent_supported variable to true which has an annotation set to
"__ro_after_init" due to which we were seeing the above splat. Fix this by
probing for IOCP only once in boot stage by having a boolean variable
"done" which will be set to true upon IOCP probe in errata_probe_iocp()
and we bail out early if "done" is set to true.
While at it make return type of errata_probe_iocp() to void as we were
not checking the return value in andes_errata_patch_func().
Fixes: e021ae7f5145 ("riscv: errata: Add Andes alternative ports")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Link: https://lore.kernel.org/r/20231130212647.108746-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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This fixes two bugs in SCS initialization for secondary CPUs. First,
the SCS was not initialized at all in the spinwait boot path. Second,
the code for the SBI HSM path attempted to initialize the SCS before
enabling the MMU. However, that involves dereferencing the thread
pointer, which requires the MMU to be enabled.
Fix both issues by setting up the SCS in the common secondary entry
path, after enabling the MMU.
Fixes: d1584d791a29 ("riscv: Implement Shadow Call Stack")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/r/20231121211958.3158576-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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This is a backport of a fix that was done in OpenSBI: ec0559eb315b
("lib: sbi_misaligned_ldst: Fix handling of C.SWSP and C.SDSP").
Unlike C.LWSP/C.LDSP, these encodings can be used with the zero
register, so checking that the rs2 field is non-zero is unnecessary.
Additionally, the previous check was incorrect since it was checking
the immediate field of the instruction instead of the rs2 field.
Fixes: 956d705dd279 ("riscv: Unaligned load/store handling for M_MODE")
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231103090223.702340-1-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Extensions are getting added quickly and their hwprobe bits will soon
exceed 31 (which pair values accommodate, since they're of type u64).
However, in one tree, where a bunch of extensions got merged prior to
zicboz, zicboz already got pushed to bit 32. Pushing it exposed a
32-bit compilation bug, since unsigned long was used instead of u64.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310311801.hxduISrr-lkp@intel.com/
Fixes: 9c7646d5ffd2 ("RISC-V: hwprobe: Expose Zicboz extension and its block size")
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20231101141908.192198-2-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Use opcodes available to both rv32 and rv64 in uleb128 module linking
test.
Fixes: af71bc194916 ("riscv: Add tests for riscv module loading")
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/lkml/1d7c71ee-5742-4df4-b8ef-a2aea0a624eb@infradead.org/
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20231122-module_fixup-v2-1-dfb9565e9ea5@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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JEDEC standard JESD84-B51 defines the eMMC Data Strobe line, which is
currently used only in HS400 mode, as a device->host clock signal that
"is used only in read operation. The Data Strobe is always High-Z (not
driven by the device and pulled down by RDS) or Driven Low in write
operation, except during CRC status response." RDS is a pull-down
resistor specified in the 10K-100K ohm range. Thus per the standard, the
Data Strobe is always pulled to ground (by the eMMC and/or RDS) during
write operations.
Evidently, the eMMC host controller in the RK3588 considers an active
voltage on the eMMC-DS line during a write to be an error.
The default (i.e. hardware reset, and Rockchip BSP) behavior for the
RK3588 is to activate the eMMC-DS pin's builtin pull-down. As a result,
many RK3588 board designers do not bother adding a dedicated RDS
resistor, instead relying on the RK3588's internal bias. The current
devicetree, however, disables this bias (`pcfg_pull_none`), breaking
HS400-mode writes for boards without a dedicated RDS, but with an eMMC
chip that chooses to High-Z (instead of drive-low) the eMMC-DS line.
(The Turing RK1 is one such board.)
Fix this by changing the bias in the (common) emmc_data_strobe case to
reflect the expected hardware/BSP behavior. This is unlikely to cause
regressions elsewhere: the pull-down is only relevant for High-Z eMMCs,
and if this is redundant with a (dedicated) RDS resistor, the effective
result is only a lower resistance to ground -- where the range of
tolerance is quite high. If it does, it's better fixed in the specific
devicetrees.
Fixes: d85f8a5c798d5 ("arm64: dts: rockchip: Add rk3588 pinctrl data")
Signed-off-by: Sam Edwards <CFSworks@gmail.com>
Link: https://lore.kernel.org/r/20231205202900.4617-2-CFSworks@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Per root-node.yaml, 'model' is a required property.
Pass it to fix the following dt-schema warning:
imx28-xea.dtb: /: 'model' is a required property
from schema $id: http://devicetree.org/schemas/root-node.yaml#
Signed-off-by: Fabio Estevam <festevam@denx.de>
Fixes: 445ae16ac1c5 ("ARM: dts: imx28: Add DTS description of imx28 based XEA board")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The timer nodes declare compatibility with "fsl,imx6sx-gpt", which
itself is compatible with "fsl,imx6dl-gpt". Switch the fallback
compatible from "fsl,imx6sx-gpt" to "fsl,imx6dl-gpt".
Fixes: 949673450291 ("ARM: dts: add imx7d soc dtsi file")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Make sure that the wifi regulator is always on. The wifi driver itself
puts the wifi module into suspend mode. If we cut the power the driver
will crash when resuming from suspend.
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Fixes: ad0de4ceb706 ("arm64: dts: freescale: add initial apalis imx8 aka quadmax module support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Release the id allocated in 'mmdc_pmu_init' when 'devm_kasprintf'
return NULL
Suggested-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Fixes: e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Change the gpio node name to align with register address.
Fixes: ac7bcf48ddba ("arm64: dts: imx8ulp: update gpio node")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Change the gpio node name to align with register address
Fixes: c1d0782b5fc3 ("arm64: dts: imx93: update gpio node")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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"nic_media" clock should be enabled when power on/off mediamix, otherwise
power on/off will fail. Because "media_axi_root" clock is the parent of
"nic_media" clock, so replace "media_axi_clock" clock with "nic_media"
clock in mediamix node.
Link: https://github.com/nxp-imx/linux-imx/commit/ce18e6d0071ae9df5486af8613708ebe920484be
Fixes: f2d03ba997cb ("arm64: dts: imx93: reorder device nodes")
Fixes: e85d3458a804 ("arm64: dts: imx93: add src node")
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add imx8qm's own pm, otherwise the following panic will
occur during the startup process:
Kernel panic - not syncing: Asynchronous SError Interrupt
Hardware name: Freescale i.MX8QM MEK (DT)
Workqueue: events_unbound deferred_probe_work_func
Call trace:
dump_backtrace+0x98/0xf0
show_stack+0x18/0x24
dump_stack_lvl+0x60/0xac
dump_stack+0x18/0x24
panic+0x340/0x3a0
nmi_panic+0x8c/0x90
arm64_serror_panic+0x6c/0x78
do_serror+0x3c/0x78
el1h_64_error_handler+0x38/0x50
el1h_64_error+0x64/0x68
fsl_edma_chan_mux+0x98/0xdc
fsl_edma_probe+0x278/0x898
platform_probe+0x68/0xd8
really_probe+0x110/0x27c
__driver_probe_device+0x78/0x12c
driver_probe_device+0x3c/0x118
__device_attach_driver+0xb8/0xf8
bus_for_each_drv+0x84/0xe4
__device_attach+0xfc/0x18c
device_initial_probe+0x14/0x20
Fixes: e4d7a330fb7a ("arm64: dts: imx8: add edma[0..3]")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX8QXP supports inverted PWM output, thus #pwm-cells needs to be set
to 3.
Fixes: f1d6a6b991ef9 ("arm64: dts: imx8qxp: add adma_pwm in adma")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX8QM/QXP supports inverted PWM output, thus #pwm-cells needs to be set
to 3.
Fixes: 23fa99b205ea ("arm64: dts: freescale: imx8-ss-lsio: add support for lsio_pwm0-3")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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io_uring sets up the io worker kernel thread via a syscall out of an
user space prrocess. This process might have used FPU and since
copy_thread() didn't clear FPU states for kernel threads a BUG()
is triggered for using FPU inside kernel. Move code around
to always clear FPU state for user and kernel threads.
Cc: stable@vger.kernel.org
Reported-by: Aurelien Jarno <aurel32@debian.org>
Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055021
Suggested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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There are many types of revsered memory passed from firmware
that should be reserved in memblock, and UMA memory passed
from firmware that should be added to system memory for system
to use.
Also for memblock there is no need to align those space into page,
which actually cause problems.
Handle them properly to prevent memory corruption on some systems.
Cc: stable@vger.kernel.org
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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There are some Loongson64 systems come with broken coherent DMA
support, firmware will set a bit in boot_param and pass nocoherentio
in cmdline.
However nonconherent support was missed out when spin off Loongson-2EF
form Loongson64, and that boot_param change never made itself into
upstream.
Support DMA noncoherent properly to get those systems working.
Cc: stable@vger.kernel.org
Fixes: 71e2f4dd5a65 ("MIPS: Fork loongson2ef from loongson64")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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vgabios is passed from firmware to kernel on Loongson64 systems.
Sane firmware will keep this pointer in reserved memory space
passed from the firmware but insane firmware keeps it in low
memory before kernel entry that is not reserved.
Previously kernel won't try to allocate memory from low memory
before kernel entry on boot, but after converting to memblock
it will do that.
Fix by resversing those memory on early boot.
Cc: stable@vger.kernel.org
Fixes: a94e4f24ec83 ("MIPS: init: Drop boot_mem_map")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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rcutree_report_cpu_starting() must be called before
clockevents_register_device() to avoid the following lockdep splat triggered by
calling list_add() when CONFIG_PROVE_RCU_LIST=y:
WARNING: suspicious RCU usage
...
-----------------------------
kernel/locking/lockdep.c:3680 RCU-list traversed in non-reader section!!
other info that might help us debug this:
RCU used illegally from offline CPU!
rcu_scheduler_active = 1, debug_locks = 1
no locks held by swapper/1/0.
...
Call Trace:
[<ffffffff8012a434>] show_stack+0x64/0x158
[<ffffffff80a93d98>] dump_stack_lvl+0x90/0xc4
[<ffffffff801c9e9c>] __lock_acquire+0x1404/0x2940
[<ffffffff801cbf3c>] lock_acquire+0x14c/0x448
[<ffffffff80aa4260>] _raw_spin_lock_irqsave+0x50/0x88
[<ffffffff8021e0c8>] clockevents_register_device+0x60/0x1e8
[<ffffffff80130ff0>] r4k_clockevent_init+0x220/0x3a0
[<ffffffff801339d0>] start_secondary+0x50/0x3b8
raw_smp_processor_id() is required in order to avoid calling into lockdep
before RCU has declared the CPU to be watched for readers.
See also commit 29368e093921 ("x86/smpboot: Move rcu_cpu_starting() earlier"),
commit de5d9dae150c ("s390/smp: move rcu_cpu_starting() earlier") and commit
99f070b62322 ("powerpc/smp: Call rcu_cpu_starting() earlier").
Signed-off-by: Stefan Wiehler <stefan.wiehler@nokia.com>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Since commit c7e73b5051d6 ("ARM: imx: mach-imx6ul: remove 14x14 EVK
specific PHY fixup")thet Ethernet PHY is no longer configured via code
in board file.
This caused Ethernet to stop working.
Fix this problem by describing the clocks and clock-names to the
Ethernet PHY node so that the KSZ8081 chip can be clocked correctly.
Fixes: c7e73b5051d6 ("ARM: imx: mach-imx6ul: remove 14x14 EVK specific PHY fixup")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The i.MX8MP and i.MX8MQ devices both use the same DWC3 controller and
are both affected by a known issue with the controller due to specific
behaviour when park mode is enabled in SuperSpeed host mode operation.
Under heavy USB traffic from multiple endpoints the controller will
sometimes incorrectly process transactions such that some transactions
are lost, or the controller may hang when processing transactions. When
the controller hangs it does not recover.
This issue is documented partially within the linux-imx vendor kernel
which references a Synopsys STAR number 9001415732 in commits [1] and
additional details in [2]. Those commits provide some additional
controller internal implementation specifics around the incorrect
behaviour of the SuperSpeed host controller operation when park mode is
enabled.
The summary of this issue is that the host controller can incorrectly
enter/exit park mode such that part of the controller is in a state
which behaves as if in park mode even though it is not. In this state
the controller incorrectly calculates the number of TRBs available which
results in incorrect access of the internal caches causing the overwrite
of pending requests in the cache which should have been processed but
are ignored. This can cause the controller to drop the requests or hang
waiting for the pending state of the dropped requests.
The workaround for this issue is to disable park mode for SuperSpeed
operation of the controller through the GUCTL1[17] bit. This is already
available as a quirk for the DWC3 controller and can be enabled via the
'snps,parkmode-disable-ss-quirk' device tree property.
It is possible to replicate this failure on an i.MX8MP EVK with a USB
Hub connecting 4 SuperSpeed USB flash drives. Performing continuous
small read operations (dd if=/dev/sd... of=/dev/null bs=16) on the block
devices will result in device errors initially and will eventually
result in the controller hanging.
[13240.896936] xhci-hcd xhci-hcd.0.auto: WARN Event TRB for slot 4 ep 2 with no TDs queued?
[13240.990708] usb 2-1.3: reset SuperSpeed USB device number 5 using xhci-hcd
[13241.015582] sd 2:0:0:0: [sdc] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=0s
[13241.025198] sd 2:0:0:0: [sdc] tag#0 CDB: opcode=0x28 28 00 00 00 03 e0 00 01 00 00
[13241.032949] I/O error, dev sdc, sector 992 op 0x0:(READ) flags 0x80700 phys_seg 25 prio class 2
[13272.150710] usb 2-1.2: reset SuperSpeed USB device number 4 using xhci-hcd
[13272.175469] sd 1:0:0:0: [sdb] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x03 driverbyte=DRIVER_OK cmd_age=31s
[13272.185365] sd 1:0:0:0: [sdb] tag#0 CDB: opcode=0x28 28 00 00 00 03 e0 00 01 00 00
[13272.193385] I/O error, dev sdb, sector 992 op 0x0:(READ) flags 0x80700 phys_seg 18 prio class 2
[13434.846556] xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command
[13434.854592] xhci-hcd xhci-hcd.0.auto: xHCI host controller not responding, assume dead
[13434.862553] xhci-hcd xhci-hcd.0.auto: HC died; cleaning up
[1] https://github.com/nxp-imx/linux-imx/commit/97a5349d936b08cf301730b59e4e8855283f815c
[2] https://github.com/nxp-imx/linux-imx/commit/b4b5cbc5a12d7c3b920d1d7cba0ada3379e4e42b
Fixes: fb8587a2c165 ("arm64: dtsi: imx8mp: add usb nodes")
Fixes: ad37549cb5dc ("arm64: dts: imx8mq: add USB nodes")
Signed-off-by: Nathan Rossi <nathan.rossi@digi.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Commit 41a506ef71eb ("powerpc/ftrace: Create a dummy stackframe to fix
stack unwind") added use of a new stack frame on ftrace entry to fix
stack unwind. However, the commit missed updating the offset used while
tearing down the ftrace stack when ftrace is disabled. Fix the same.
In addition, the commit missed saving the correct stack pointer in
pt_regs. Update the same.
Fixes: 41a506ef71eb ("powerpc/ftrace: Create a dummy stackframe to fix stack unwind")
Cc: stable@vger.kernel.org # v6.5+
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231130065947.2188860-1-naveen@kernel.org
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The rk3399-gru PCI node addresses are wrong.
In rk3399-gru-scarlet, the bus number in the address should be 0. This is
because bus number assignment is dynamic and not known up front. For FDT,
the bus number is simply ignored.
In rk3399-gru-chromebook, the addresses are simply invalid. The first
"reg" entry must be the configuration space for the device. The entry
should be all 0s except for device/slot and function numbers. The existing
64-bit memory space (0x83000000) entries are not valid because they must
have the BAR address in the lower byte of the first cell.
Warnings for these are enabled by adding the missing 'device_type = "pci"'
for the root port node.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231130191830.2424361-1-robh@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The dfi binding does not specify interrupt names, with the interrupts
just specifying channels 0-x. So drop the unspecified property.
Fixes: 5a6976b1040a ("arm64: dts: rockchip: Add DFI to rk3588s")
Reported-by: Jagan Teki <jagan@edgeble.ai>
Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de>
Link: https://lore.kernel.org/r/20231201134859.322491-1-heiko@sntech.de
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Use __le16 with le16_to_cpu.
Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations")
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20231127-module_linking_freeing-v4-2-a2ca1d7027d0@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Use the safe versions of list and hlist iteration to safely remove
entries from the module relocation lists. To allow mutliple threads to
load modules concurrently, move relocation list pointers onto the stack
rather than using global variables.
Fixes: 8fd6c5142395 ("riscv: Add remaining module relocations")
Reported-by: Ron Economos <re@w6rz.net>
Closes: https://lore.kernel.org/linux-riscv/444de86a-7e7c-4de7-5d1d-c1c40eefa4ba@w6rz.net
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20231127-module_linking_freeing-v4-1-a2ca1d7027d0@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix corruption of f0/vs0 during FP/Vector save, seen as userspace
crashes when using io-uring workers (in particular with MariaDB)
- Fix KVM_RUN potentially clobbering all host userspace FP/Vector
registers
Thanks to Timothy Pearson, Jens Axboe, and Nicholas Piggin.
* tag 'powerpc-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
KVM: PPC: Book3S HV: Fix KVM_RUN clobbering FP/VEC user registers
powerpc: Don't clobber f0/vs0 during fp|altivec register save
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A fix for the Xen event driver setting the correct return value when
experiencing an allocation failure
- A fix for allocating space for a struct in the percpu area to not
cross page boundaries (this one is for x86, a similar one for Arm was
already in the pull request for rc3)
* tag 'for-linus-6.7a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: fix error code in xen_bind_pirq_msi_to_irq()
x86/xen: fix percpu vcpu_info allocation
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The pinctrls for the hym8563 interrupt line and fan-tach input
were both mistakenly defined as `pcfg_pull_none`. As these are
active-low signals (level-triggered, in the hym8563 case) which
may not be driven at times, these should really be pull-up. The
lack of any bias results in spurious interrupts.
Fix this by modifying the `rockchip,pins` properties as necessary
to enable the pull-up resistors.
Fixes: 2806a69f3fef6 ("arm64: dts: rockchip: Add Turing RK1 SoM support")
Signed-off-by: Sam Edwards <CFSworks@gmail.com>
Link: https://lore.kernel.org/r/20231202071212.1606800-1-CFSworks@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Commit in Fixes added an AMD-specific microcode callback. However, it
didn't check the CPU vendor the kernel runs on explicitly.
The only reason the Zenbleed check in it didn't run on other x86 vendors
hardware was pure coincidental luck:
if (!cpu_has_amd_erratum(c, amd_zenbleed))
return;
gives true on other vendors because they don't have those families and
models.
However, with the removal of the cpu_has_amd_erratum() in
05f5f73936fa ("x86/CPU/AMD: Drop now unused CPU erratum checking function")
that coincidental condition is gone, leading to the zenbleed check
getting executed on other vendors too.
Add the explicit vendor check for the whole callback as it should've
been done in the first place.
Fixes: 522b1d69219d ("x86/cpu/amd: Add a Zenbleed fix")
Cc: <stable@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20231201184226.16749-1-bp@alien8.de
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix a regression where the arm64 KPTI ends up enabled even on systems
that don't need it"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Avoid enabling KPTI unnecessarily
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The requested info will be stored in 'guest_xsave->region' referenced by
the incoming pointer "struct kvm_xsave *guest_xsave", thus there is no need
to explicitly use return void expression for a void function "static void
kvm_vcpu_ioctl_x86_get_xsave(...)". The issue is caught with [-Wpedantic].
Fixes: 2d287ec65e79 ("x86/fpu: Allow caller to constrain xfeatures when copying to uabi buffer")
Signed-off-by: Like Xu <likexu@tencent.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20231007064019.17472-1-likexu@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Set .owner for all KVM-owned filed types so that the KVM module is pinned
until any files with callbacks back into KVM are completely freed. Using
"struct kvm" as a proxy for the module, i.e. keeping KVM-the-module alive
while there are active VMs, doesn't provide full protection.
Userspace can invoke delete_module() the instant the last reference to KVM
is put. If KVM itself puts the last reference, e.g. via kvm_destroy_vm(),
then it's possible for KVM to be preempted and deleted/unloaded before KVM
fully exits, e.g. when the task running kvm_destroy_vm() is scheduled back
in, it will jump to a code page that is no longer mapped.
Note, file types that can call into sub-module code, e.g. kvm-intel.ko or
kvm-amd.ko on x86, must use the module pointer passed to kvm_init(), not
THIS_MODULE (which points at kvm.ko). KVM assumes that if /dev/kvm is
reachable, e.g. VMs are active, then the vendor module is loaded.
To reduce the probability of forgetting to set .owner entirely, use
THIS_MODULE for stats files where KVM does not call back into vendor code.
This reverts commit 70375c2d8fa3fb9b0b59207a9c5df1e2e1205c10, and fixes
several other file types that have been buggy since their introduction.
Fixes: 70375c2d8fa3 ("Revert "KVM: set owner of cpu and vm file operations"")
Fixes: 3bcd0662d66f ("KVM: X86: Introduce mmu_rmaps_stat per-vm debugfs file")
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/all/20231010003746.GN800259@ZenIV
Link: https://lore.kernel.org/r/20231018204624.1905300-2-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Commit 42c5a3b04bf6 refactored the KPTI init code in a way that results
in the use of non-global kernel mappings even on systems that have no
need for it, and even when KPTI has been disabled explicitly via the
command line.
Ensure that this only happens when we have decided (based on the
detected system-wide CPU features) that KPTI should be enabled.
Fixes: 42c5a3b04bf6 ("arm64: Split kpti_install_ng_mappings()")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20231127120049.2258650-6-ardb@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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A write-access violation page fault kernel crash was observed while running
cpuhotplug LTP testcases on SEV-ES enabled systems. The crash was
observed during hotplug, after the CPU was offlined and the process
was migrated to different CPU. setup_ghcb() is called again which
tries to update ghcb_version in sev_es_negotiate_protocol(). Ideally this
is a read_only variable which is initialised during booting.
Trying to write it results in a pagefault:
BUG: unable to handle page fault for address: ffffffffba556e70
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
[ ...]
Call Trace:
<TASK>
? __die_body.cold+0x1a/0x1f
? __die+0x2a/0x35
? page_fault_oops+0x10c/0x270
? setup_ghcb+0x71/0x100
? __x86_return_thunk+0x5/0x6
? search_exception_tables+0x60/0x70
? __x86_return_thunk+0x5/0x6
? fixup_exception+0x27/0x320
? kernelmode_fixup_or_oops+0xa2/0x120
? __bad_area_nosemaphore+0x16a/0x1b0
? kernel_exc_vmm_communication+0x60/0xb0
? bad_area_nosemaphore+0x16/0x20
? do_kern_addr_fault+0x7a/0x90
? exc_page_fault+0xbd/0x160
? asm_exc_page_fault+0x27/0x30
? setup_ghcb+0x71/0x100
? setup_ghcb+0xe/0x100
cpu_init_exception_handling+0x1b9/0x1f0
The fix is to call sev_es_negotiate_protocol() only in the BSP boot phase,
and it only needs to be done once in any case.
[ mingo: Refined the changelog. ]
Fixes: 95d33bfaa3e1 ("x86/sev: Register GHCB memory when SEV-SNP is active")
Suggested-by: Tom Lendacky <thomas.lendacky@amd.com>
Co-developed-by: Bo Gan <bo.gan@broadcom.com>
Signed-off-by: Bo Gan <bo.gan@broadcom.com>
Signed-off-by: Ashwin Dayanand Kamat <ashwin.kamat@broadcom.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/1701254429-18250-1-git-send-email-kashwindayan@vmware.com
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When querying whether or not a vCPU "is" running in kernel mode, directly
get the CPL if the vCPU is the currently loaded vCPU. In scenarios where
a guest is profiled via perf-kvm, querying vcpu->arch.preempted_in_kernel
from kvm_guest_state() is wrong if vCPU is actively running, i.e. isn't
scheduled out due to being preempted and so preempted_in_kernel is stale.
This affects perf/core's ability to accurately tag guest RIP with
PERF_RECORD_MISC_GUEST_{KERNEL|USER} and record it in the sample. This
causes perf/tool to fail to connect the vCPU RIPs to the guest kernel
space symbols when parsing these samples due to incorrect PERF_RECORD_MISC
flags:
Before (perf-report of a cpu-cycles sample):
1.23% :58945 [unknown] [u] 0xffffffff818012e0
After:
1.35% :60703 [kernel.vmlinux] [g] asm_exc_page_fault
Note, checking preempted_in_kernel in kvm_arch_vcpu_in_kernel() is awful
as nothing in the API's suggests that it's safe to use if and only if the
vCPU was preempted. That can be cleaned up in the future, for now just
fix the glaring correctness bug.
Note #2, checking vcpu->preempted is NOT safe, as getting the CPL on VMX
requires VMREAD, i.e. is correct if and only if the vCPU is loaded. If
the target vCPU *was* preempted, then it can be scheduled back in after
the check on vcpu->preempted in kvm_vcpu_on_spin(), i.e. KVM could end up
trying to do VMREAD on a VMCS that isn't loaded on the current pCPU.
Signed-off-by: Like Xu <likexu@tencent.com>
Fixes: e1bfc24577cc ("KVM: Move x86's perf guest info callbacks to generic KVM")
Link: https://lore.kernel.org/r/20231123075818.12521-1-likexu@tencent.com
[sean: massage changelong, add Fixes]
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Before running a guest, the host process (e.g., QEMU) FP/VEC registers
are saved if they were being used, similarly to when the kernel uses FP
registers. The guest values are then loaded into regs, and the host
process registers will be restored lazily when it uses FP/VEC.
KVM HV has a bug here: the host process registers do get saved, but the
user MSR bits remain enabled, which indicates the registers are valid
for the process. After they are clobbered by running the guest, this
valid indication causes the host process to take on the FP/VEC register
values of the guest.
Fixes: 34e119c96b2b ("KVM: PPC: Book3S HV P9: Reduce mtmsrd instructions required to save host SPRs")
Cc: stable@vger.kernel.org # v5.17+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231122025811.2973-1-npiggin@gmail.com
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Change interrupt cells to 2 to suppress interrupts_property warning.
Cc: stable@vger.kernel.org
Fixes: 0de0fe950f1b ("arm64: dts: mediatek: cherry: Enable MT6360 sub-pmic on I2C7")
Link: https://lore.kernel.org/r/20231127132026.165027-1-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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dtbs_check throws a warning at the dsi node:
Warning (avoid_unnecessary_addr_size): /soc/dsi@14014000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
Other DTS have a panel child node with a reg, so the parent dtsi
must have the address-cells and size-cells, however this specific DT
has the panel removed, but not the cells, hence the warning above.
If panel is deleted then the cells must also be deleted since they are
tied together, as the child node in this DT does not have a reg.
Cc: stable@vger.kernel.org
Fixes: cabc71b08eb5 ("arm64: dts: mt8183: Add kukui-jacuzzi-damu board")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230814071053.5459-1-eugen.hristev@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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dtbs_check throws a warning at the memory node:
Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but no unit name
fix by adding the address into the node name.
Cc: stable@vger.kernel.org
Fixes: 0b6286dd96c0 ("arm64: dts: mt7622: add bananapi BPI-R64 board")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230814065042.4973-1-eugen.hristev@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Clocks for each power domain are split into big categories: pd clocks
and subsys clocks.
According to the binding, all clocks which have a dash '-' in their name
are treated as subsys clocks, and must be placed at the end of the list.
The other clocks which are pd clocks must come first.
Fixed the naming and the placing of all clocks in the power domains.
For the avoidance of doubt, prefixed all subsys clocks with the 'subsys'
prefix. The binding does not enforce strict clock names, the driver
uses them in bulk, only making a difference for pd clocks vs subsys clocks.
The above problem appears to be trivial, however, it leads to incorrect
power up and power down sequence of the power domains, because some
clocks will be mistakenly taken for subsys clocks and viceversa.
One consequence is the fact that if the DIS power domain goes power down
and power back up during the boot process, when it comes back up, there
are still transactions left on the bus which makes the display inoperable.
Some of the clocks for the DIS power domain were wrongly using '_' instead
of '-', which again made these clocks being treated as pd clocks instead of
subsys clocks.
Cc: stable@vger.kernel.org
Fixes: d9e43c1e7a38 ("arm64: dts: mt8186: Add power domains controller")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://lore.kernel.org/r/20231005103041.352478-1-eugen.hristev@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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MT8186's GPU speedbin value must be interpreted, or the value will not
be meaningful.
Use the correct "gpu-speedbin" nvmem cell name for the GPU speedbin to
allow triggering the cell info fixup handler, hence feeding the right
speedbin number to the users.
Cc: stable@vger.kernel.org
Fixes: 263d2fd02afc ("arm64: dts: mediatek: mt8186: Add GPU speed bin NVMEM cells")
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20231005151150.355536-1-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Add Critical and hot trips for emergency system shutdown and limiting
system load.
Change passive trip to active to make sure fan is activated on the
lowest trip.
Cc: stable@vger.kernel.org
Fixes: 1f5be05132f3 ("arm64: dts: mt7986: add thermal-zones")
Fixes: c26f779a2295 ("arm64: dts: mt7986: add pwm-fan and cooling-maps to BPI-R3 dts")
Suggested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231025170832.78727-4-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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All SFP power supplies are connected to the system VDD33 which is 3v3/8A.
Set 3A per SFP slot to allow SFPs work which need more power than the
default 1W.
Cc: stable@vger.kernel.org
Fixes: 8e01fb15b815 ("arm64: dts: mt7986: add Bananapi R3")
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231025170832.78727-3-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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Eric reports errors on emmc with hs400 mode when booting linux on bpi-r3
without uboot [1]. Booting with uboot does not show this because clocks
seem to be initialized by uboot.
Fix this by adding assigned-clocks and assigned-clock-parents like it's
done in uboot [2].
[1] https://forum.banana-pi.org/t/bpi-r3-kernel-fails-setting-emmc-clock-to-416m-depends-on-u-boot/15170
[2] https://github.com/u-boot/u-boot/blob/master/arch/arm/dts/mt7986.dtsi#L287
Cc: stable@vger.kernel.org
Fixes: 513b49d19b34 ("arm64: dts: mt7986: add mmc related device nodes")
Signed-off-by: Eric Woudstra <ericwouds@gmail.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231025170832.78727-2-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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