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According to RM bit layout, BIT3 and BIT0 are reserved.
8 7 6 5 4 3 2 1 0
PE HYS PUE ODE FSEL X DSE X
Although function is not broken, we should not set reserved bit.
Fixes: d50650500064 ("arm64: dts: imx8mp-evk: Add PCIe support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Fix a build error with CONFIG_CFI_CLANG + CONFIG_FTRACE when
CONFIG_FUNCTION_GRAPH_TRACER is not enabled.
- Fix a BUG_ON triggered by the page table checker due to incorrect
file_map_count for non-leaf pmd/pud (the arm64
pmd_user_accessible_page() not checking whether it's a leaf entry).
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Fix a build error with CONFIG_CFI_CLANG + CONFIG_FTRACE when
CONFIG_FUNCTION_GRAPH_TRACER is not enabled.
- Fix a BUG_ON triggered by the page table checker due to incorrect
file_map_count for non-leaf pmd/pud (the arm64
pmd_user_accessible_page() not checking whether it's a leaf entry).
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/mm: fix incorrect file_map_count for non-leaf pmd/pud
arm64: ftrace: Define ftrace_stub_graph only with FUNCTION_GRAPH_TRACER
Another set of devicetree and code changes for SoC platforms,
notably:
- DT schema warning fixes for i.MX
- Functional fixes for i.MX tqma8mqml-mba8mx USB and
i.MX8M OCOTP
- MAINTAINERS updates for Hisilicon and RISC-V, documenting
which RISC-V SoC specific patches will now get merged through
the SoC tree in the future.
- A code fix for at91 suspend, to work around broken hardware
- A devicetree fix for lan966x/pcb8291 LED support
- Lots of DT fixes for Qualcomm SoCs, mostly fixing minor
problems like incorrect register sizes and schema warnings.
One fix makes the UFS controller work on sc8280xp, and
six fixes address the same regulator problem in a variety
of platforms.
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Merge tag 'soc-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Another set of devicetree and code changes for SoC platforms, notably:
- DT schema warning fixes for i.MX
- Functional fixes for i.MX tqma8mqml-mba8mx USB and i.MX8M OCOTP
- MAINTAINERS updates for Hisilicon and RISC-V, documenting which
RISC-V SoC specific patches will now get merged through the SoC
tree in the future.
- A code fix for at91 suspend, to work around broken hardware
- A devicetree fix for lan966x/pcb8291 LED support
- Lots of DT fixes for Qualcomm SoCs, mostly fixing minor problems
like incorrect register sizes and schema warnings. One fix makes
the UFS controller work on sc8280xp, and six fixes address the same
regulator problem in a variety of platforms"
* tag 'soc-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
MAINTAINERS: repair Microchip corei2c driver entry
MAINTAINERS: add an entry for StarFive devicetrees
MAINTAINERS: generify the Microchip RISC-V entry name
MAINTAINERS: add entries for misc. RISC-V SoC drivers and devicetrees
MAINTAINERS: git://github.com -> https://github.com for HiSilicon
soc: imx8m: Enable OCOTP clock before reading the register
arm64: dts: imx93-pinfunc: drop execution permission
arm64: dts: imx8mn: Fix NAND controller size-cells
arm64: dts: imx8mm: Fix NAND controller size-cells
ARM: dts: imx7: Fix NAND controller size-cells
arm64: dts: imx8mm-tqma8mqml-mba8mx: Fix USB DR
ARM: at91: pm: avoid soft resetting AC DLL
ARM: dts: lan966x: Enable sgpio on pcb8291
arm64: dts: qcom: sm8250: Disable the not yet supported cluster idle state
ARM: dts: at91: sama7g5: fix signal name of pin PB2
arm64: dts: qcom: sc7280: Add the reset reg for lpass audiocc on SC7280
arm64: dts: qcom: sc8280xp: fix UFS PHY serdes size
arm64: dts: qcom: sc8280xp: drop broken DP PHY nodes
arm64: dts: qcom: sc8280xp: fix USB PHY PCS registers
arm64: dts: qcom: sc8280xp: fix USB1 PHY RX1 registers
...
- Switch to usb-role-switch for fixing USB device mode on
tqma8mqml-mba8mx board, so that Dual Role is fully functional.
- A series from Marek Vasut to fix dt-schema warning caused by NAND
controller size-cells.
- Fix file permission of imx93-pinfunc header.
- Enable OCOTP clock in soc-imx8m driver to fix a kexec kernel hang
issue.
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Merge tag 'imx-fixes-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 6.1, 2nd round:
- Switch to usb-role-switch for fixing USB device mode on
tqma8mqml-mba8mx board, so that Dual Role is fully functional.
- A series from Marek Vasut to fix dt-schema warning caused by NAND
controller size-cells.
- Fix file permission of imx93-pinfunc header.
- Enable OCOTP clock in soc-imx8m driver to fix a kexec kernel hang
issue.
* tag 'imx-fixes-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx8m: Enable OCOTP clock before reading the register
arm64: dts: imx93-pinfunc: drop execution permission
arm64: dts: imx8mn: Fix NAND controller size-cells
arm64: dts: imx8mm: Fix NAND controller size-cells
ARM: dts: imx7: Fix NAND controller size-cells
arm64: dts: imx8mm-tqma8mqml-mba8mx: Fix USB DR
Link: https://lore.kernel.org/r/20221116090402.GA1274@T480
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Hantro G2 video decoder block sits behind the IOMMU. Without a
reference for the system to properly configure the IOMMU, it will fault
and cause the video decoder to fail.
Add a proper reference to the IOMMU port. The master ID is taken from
the IOMMU fault error message on Linux, and the number seems to match
the order in the user manual's IOMMU diagram.
Fixes: 0baddea60e8d ("arm64: dts: allwinner: h6: Add Hantro G2 node")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20221115090644.3602573-3-wenst@chromium.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
The 0-day bot reports that arm64 builds with CONFIG_CFI_CLANG +
CONFIG_FTRACE are broken when CONFIG_FUNCTION_GRAPH_TRACER is not
enabled:
ld.lld: error: undefined symbol: __kcfi_typeid_ftrace_stub_graph
>>> referenced by entry-ftrace.S:299 (arch/arm64/kernel/entry-ftrace.S:299)
>>> arch/arm64/kernel/entry-ftrace.o:(.text+0x48) in archive vmlinux.a
This is caused by ftrace_stub_graph using SYM_TYPE_FUNC_START when
the address of the function is not taken in any C translation unit.
Fix the build by only defining ftrace_stub_graph when it's actually
needed, i.e. with CONFIG_FUNCTION_GRAPH_TRACER.
Link: https://lore.kernel.org/lkml/202210251659.tRMs78RH-lkp@intel.com/
Fixes: 883bbbffa5a4 ("ftrace,kcfi: Separate ftrace_stub() and ftrace_stub_graph()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20221109192831.3057131-1-samitolvanen@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This fixes the APCS register region on IPQ8074 to not overlap
with adjacent nodes.
It lists the valid LDO modes on a variety of platforms, as this is not
required by the binding and implementation.
The reference clocks for the two UFS instances on SC8280XP are
corrected, to avoid relying on the state left by most versions of the
bootloader.
A number of issues are corrected with regards to the QMP PHY register
ranges on SC8280XP.
SC7280 gains a missing lpass reset region.
Lastly cluster idle is termporarily disabled on SM8250 to avoid issues
with booting the platform, until the last missing pieces lands.
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Merge tag 'qcom-arm64-fixes-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 DTS fixes for 6.1
This fixes the APCS register region on IPQ8074 to not overlap
with adjacent nodes.
It lists the valid LDO modes on a variety of platforms, as this is not
required by the binding and implementation.
The reference clocks for the two UFS instances on SC8280XP are
corrected, to avoid relying on the state left by most versions of the
bootloader.
A number of issues are corrected with regards to the QMP PHY register
ranges on SC8280XP.
SC7280 gains a missing lpass reset region.
Lastly cluster idle is termporarily disabled on SM8250 to avoid issues
with booting the platform, until the last missing pieces lands.
* tag 'qcom-arm64-fixes-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sm8250: Disable the not yet supported cluster idle state
arm64: dts: qcom: sc7280: Add the reset reg for lpass audiocc on SC7280
arm64: dts: qcom: sc8280xp: fix UFS PHY serdes size
arm64: dts: qcom: sc8280xp: drop broken DP PHY nodes
arm64: dts: qcom: sc8280xp: fix USB PHY PCS registers
arm64: dts: qcom: sc8280xp: fix USB1 PHY RX1 registers
arm64: dts: qcom: sc8280xp: fix USB0 PHY PCS_MISC registers
arm64: dts: qcom: sc8280xp: correct ref clock for ufs_mem_phy
arm64: dts: qcom: sc8280xp: fix ufs_card_phy ref clock
arm64: dts: qcom: sm8350-hdk: Specify which LDO modes are allowed
arm64: dts: qcom: sm8250-xperia-edo: Specify which LDO modes are allowed
arm64: dts: qcom: sm8150-xperia-kumano: Specify which LDO modes are allowed
arm64: dts: qcom: sc8280xp-crd: Specify which LDO modes are allowed
arm64: dts: qcom: sa8295p-adp: Specify which LDO modes are allowed
arm64: dts: qcom: sa8155p-adp: Specify which LDO modes are allowed
Revert "arm64: dts: qcom: msm8996: add missing TCSR syscon compatible"
arm64: dts: qcom: ipq8074: correct APCS register space size
Link: https://lore.kernel.org/r/20221110040635.795921-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
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Merge tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
This is the first time we've added an SMBIOS based quirk on arm64,
but fortunately, we can just call a EFI protocol to grab the type #1
SMBIOS record when running in the stub, so we don't need all the
machinery we have in the kernel proper to parse SMBIOS data.
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
* tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Fix handling of misaligned runtime regions and drop warning
arm64: efi: Force the use of SetVirtualAddressMap() on Altra machines
Ths PMIC's interrupt line is tied to GPIO0_A3. This is described
correctly for the pinmux setting, but incorrectly for the interrupt.
Correct the interrupt setting so that interrupts from the PMIC get
delivered.
Fixes: dcc8c66bef79 ("arm64: dts: rockchip: add Pine64 Quartz64-B device tree")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20221106161513.4140-1-wens@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
- Another fix for rodata=full. Since rodata= is not a simple boolean on
arm64 (accepting 'full' as well), it got inadvertently broken by
changes in the core code. If rodata=on is the default and rodata=off
is passed on the kernel command line, rodata_full is never disabled.
- Fix gcc compiler warning of shifting 0xc0 into bits 31:24 without an
explicit conversion to u32 (triggered by the AMPERE1 MIDR definition).
- Include asm/ptrace.h in asm/syscall_wrapper.h to fix an incomplete
struct pt_regs type causing the BPF verifier to refuse to load a
tracing program which accesses pt_regs.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Another fix for rodata=full. Since rodata= is not a simple boolean on
arm64 (accepting 'full' as well), it got inadvertently broken by
changes in the core code. If rodata=on is the default and rodata=off
is passed on the kernel command line, rodata_full is never disabled
- Fix gcc compiler warning of shifting 0xc0 into bits 31:24 without an
explicit conversion to u32 (triggered by the AMPERE1 MIDR definition)
- Include asm/ptrace.h in asm/syscall_wrapper.h to fix an incomplete
struct pt_regs type causing the BPF verifier to refuse to load a
tracing program which accesses pt_regs
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/syscall: Include asm/ptrace.h in syscall_wrapper header.
arm64: Fix bit-shifting UB in the MIDR_CPU_MODEL() macro
arm64: fix rodata=full again
Similar to TX Wireless Ethernet Dispatch, introduce RX Wireless Ethernet
Dispatch to offload traffic received by the wlan interface to lan/wan
one.
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The NAND controller size-cells should be 0 per DT bindings.
Fix the following warning produces by DT bindings check:
"
nand-controller@33002000: #size-cells:0:0: 0 was expected
nand-controller@33002000: Unevaluated properties are not allowed ('#address-cells', '#size-cells' were unexpected)
"
Fixes: 6c3debcbae47a ("arm64: dts: freescale: Add i.MX8MN dtsi support")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The NAND controller size-cells should be 0 per DT bindings.
Fix the following warning produces by DT bindings check:
"
nand-controller@33002000: #size-cells:0:0: 0 was expected
nand-controller@33002000: Unevaluated properties are not allowed ('#address-cells', '#size-cells' were unexpected)
"
Fix the missing space in node name too.
Fixes: a05ea40eb384e ("arm64: dts: imx: Add i.mx8mm dtsi support")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Using extcon USB host mode works properly on DR interface, e.g.
enabling/disabling VBUS. But USB device mode is not working.
Fix this by switching to usb-role-switch instead.
Fixes: dfcd1b6f7620 ("arm64: dts: freescale: add initial device tree for TQMa8MQML with i.MX8MM")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Currently, when mapping the EFI runtime regions in the EFI page tables,
we complain about misaligned regions in a rather noisy way, using
WARN().
Not only does this produce a lot of irrelevant clutter in the log, it is
factually incorrect, as misaligned runtime regions are actually allowed
by the EFI spec as long as they don't require conflicting memory types
within the same 64k page.
So let's drop the warning, and tweak the code so that we
- take both the start and end of the region into account when checking
for misalignment
- only revert to RWX mappings for non-code regions if misaligned code
regions are also known to exist.
Cc: <stable@vger.kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Add the same change for ARM64 as done in the commit 9440c4294160
("x86/syscall: Include asm/ptrace.h in syscall_wrapper header") to
make sure all syscalls see 'struct pt_regs' definition and resulted
BTF for '__arm64_sys_*(struct pt_regs *regs)' functions point to
actual struct.
Without this patch, the BPF verifier refuses to load a tracing prog
which accesses pt_regs.
bpf(BPF_PROG_LOAD, {prog_type=0x1a, ...}, 128) = -1 EACCES
With this patch, we can see the correct error, which saves us time
in debugging the prog.
bpf(BPF_PROG_LOAD, {prog_type=0x1a, ...}, 128) = 4
bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name=NULL, prog_fd=4}}, 128) = -1 ENOTSUPP
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20221031215728.50389-1-kuniyu@amazon.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
CONFIG_UBSAN_SHIFT with gcc-5 complains that the shifting of
ARM_CPU_IMP_AMPERE (0xC0) into bits [31:24] by MIDR_CPU_MODEL() is
undefined behavior. Well, sort of, it actually spells the error as:
arch/arm64/kernel/proton-pack.c: In function 'spectre_bhb_loop_affected':
arch/arm64/include/asm/cputype.h:44:2: error: initializer element is not constant
(((imp) << MIDR_IMPLEMENTOR_SHIFT) | \
^
This isn't an issue for other Implementor codes, as all the other codes
have zero in the top bit and so are representable as a signed int.
Cast the implementor code to unsigned in MIDR_CPU_MODEL to remove the
undefined behavior.
Fixes: 0e5d5ae837c8 ("arm64: Add AMPERE1 to the Spectre-BHB affected list")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: D Scott Phillips <scott@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20221102160106.1096948-1-scott@os.amperecomputing.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Commit 2e8cff0a0eee87b2 ("arm64: fix rodata=full") addressed a couple of
issues with the rodata= kernel command line option, which is not a
simple boolean on arm64, and inadvertently got broken due to changes in
the generic bool handling.
Unfortunately, the resulting code never clears the rodata_full boolean
variable if it defaults to true and rodata=on or rodata=off is passed,
as the generic code is not aware of the existence of this variable.
Given the way this code is plumbed together, clearing rodata_full when
returning false from arch_parse_debug_rodata() may result in
inconsistencies if the generic code decides that it cannot parse the
right hand side, so the best way to deal with this is to only take
rodata_full in account if rodata_enabled is also true.
Fixes: 2e8cff0a0eee ("arm64: fix rodata=full")
Cc: <stable@vger.kernel.org> # 6.0.x
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221103170015.4124426-1-ardb@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
* Fix the pKVM stage-1 walker erronously using the stage-2 accessor
* Correctly convert vcpu->kvm to a hyp pointer when generating
an exception in a nVHE+MTE configuration
* Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them
* Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
* Document the boot requirements for FGT when entering the kernel
at EL1
x86:
* Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()
* Make argument order consistent for kvcalloc()
* Userspace API fixes for DEBUGCTL and LBRs
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix the pKVM stage-1 walker erronously using the stage-2 accessor
- Correctly convert vcpu->kvm to a hyp pointer when generating an
exception in a nVHE+MTE configuration
- Check that KVM_CAP_DIRTY_LOG_* are valid before enabling them
- Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
- Document the boot requirements for FGT when entering the kernel at
EL1
x86:
- Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()
- Make argument order consistent for kvcalloc()
- Userspace API fixes for DEBUGCTL and LBRs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Fix a typo about the usage of kvcalloc()
KVM: x86: Use SRCU to protect zap in __kvm_set_or_clear_apicv_inhibit()
KVM: VMX: Ignore guest CPUID for host userspace writes to DEBUGCTL
KVM: VMX: Fold vmx_supported_debugctl() into vcpu_supported_debugctl()
KVM: VMX: Advertise PMU LBRs if and only if perf supports LBRs
arm64: booting: Document our requirements for fine grained traps with SME
KVM: arm64: Fix SMPRI_EL1/TPIDR2_EL0 trapping on VHE
KVM: Check KVM_CAP_DIRTY_LOG_{RING, RING_ACQ_REL} prior to enabling them
KVM: arm64: Fix bad dereference on MTE-enabled systems
KVM: arm64: Use correct accessor to parse stage-1 PTEs
- Avoid kprobe recursion when cortex_a76_erratum_1463225_debug_handler()
is not inlined (change to __always_inline).
- Fix the visibility of compat hwcaps, broken by recent changes to
consolidate the visibility of hwcaps and the user-space view of the ID
registers.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Avoid kprobe recursion when cortex_a76_erratum_1463225_debug_handler()
is not inlined (change to __always_inline).
- Fix the visibility of compat hwcaps, broken by recent changes to
consolidate the visibility of hwcaps and the user-space view of the
ID registers.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: cpufeature: Fix the visibility of compat hwcaps
arm64: entry: avoid kprobe recursion
- A pair of tweaks to the EFI random seed code so that externally
provided version of this config table are handled more robustly
- Another fix for the v6.0 EFI variable refactor that turned out to
break Apple machines which don't provide QueryVariableInfo()
- Add some guard rails to the EFI runtime service call wrapper so we can
recover from synchronous exceptions caused by firmware
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Merge tag 'efi-fixes-for-v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- A pair of tweaks to the EFI random seed code so that externally
provided version of this config table are handled more robustly
- Another fix for the v6.0 EFI variable refactor that turned out to
break Apple machines which don't provide QueryVariableInfo()
- Add some guard rails to the EFI runtime service call wrapper so we
can recover from synchronous exceptions caused by firmware
* tag 'efi-fixes-for-v6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Recover from synchronous exceptions occurring in firmware
efi: efivars: Fix variable writes with unsupported query_variable_store()
efi: random: Use 'ACPI reclaim' memory for random seed
efi: random: reduce seed size to 32 bytes
efi/tpm: Pass correct address to memblock_reserve
Commit 237405ebef58 ("arm64: cpufeature: Force HWCAP to be based on the
sysreg visible to user-space") forced the hwcaps to use sanitised
user-space view of the id registers. However, the ID register structures
used to select few compat cpufeatures (vfp, crc32, ...) are masked and
hence such hwcaps do not appear in /proc/cpuinfo anymore for PER_LINUX32
personality.
Add the ID register structures explicitly and set the relevant entry as
visible. As these ID registers are now of type visible so make them
available in 64-bit userspace by making necessary changes in register
emulation logic and documentation.
While at it, update the comment for structure ftr_generic_32bits[] which
lists the ID register that use it.
Fixes: 237405ebef58 ("arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space")
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Link: https://lore.kernel.org/r/20221103082232.19189-1-amit.kachhap@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Unlike x86, which has machinery to deal with page faults that occur
during the execution of EFI runtime services, arm64 has nothing like
that, and a synchronous exception raised by firmware code brings down
the whole system.
With more EFI based systems appearing that were not built to run Linux
(such as the Windows-on-ARM laptops based on Qualcomm SOCs), as well as
the introduction of PRM (platform specific firmware routines that are
callable just like EFI runtime services), we are more likely to run into
issues of this sort, and it is much more likely that we can identify and
work around such issues if they don't bring down the system entirely.
Since we already use a EFI runtime services call wrapper in assembler,
we can quite easily add some code that captures the execution state at
the point where the call is made, allowing us to revert to this state
and proceed execution if the call triggered a synchronous exception.
Given that the kernel and the firmware don't share any data structures
that could end up in an indeterminate state, we can happily continue
running, as long as we mark the EFI runtime services as unavailable from
that point on.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Just a single fix to add the missing critical points in the thermal
zones that has been mandatory in the binding but was enforced in the
code recently.
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Merge tag 'juno-fix-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
Armv8 Juno fix for v6.1
Just a single fix to add the missing critical points in the thermal
zones that has been mandatory in the binding but was enforced in the
code recently.
* tag 'juno-fix-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm64: dts: juno: Add thermal critical trip points
Link: https://lore.kernel.org/r/20221102140156.2758137-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
bpf-next 2022-11-02
We've added 70 non-merge commits during the last 14 day(s) which contain
a total of 96 files changed, 3203 insertions(+), 640 deletions(-).
The main changes are:
1) Make cgroup local storage available to non-cgroup attached BPF programs
such as tc BPF ones, from Yonghong Song.
2) Avoid unnecessary deadlock detection and failures wrt BPF task storage
helpers, from Martin KaFai Lau.
3) Add LLVM disassembler as default library for dumping JITed code
in bpftool, from Quentin Monnet.
4) Various kprobe_multi_link fixes related to kernel modules,
from Jiri Olsa.
5) Optimize x86-64 JIT with emitting BMI2-based shift instructions,
from Jie Meng.
6) Improve BPF verifier's memory type compatibility for map key/value
arguments, from Dave Marchevsky.
7) Only create mmap-able data section maps in libbpf when data is exposed
via skeletons, from Andrii Nakryiko.
8) Add an autoattach option for bpftool to load all object assets,
from Wang Yufen.
9) Various memory handling fixes for libbpf and BPF selftests,
from Xu Kuohai.
10) Initial support for BPF selftest's vmtest.sh on arm64,
from Manu Bretelle.
11) Improve libbpf's BTF handling to dedup identical structs,
from Alan Maguire.
12) Add BPF CI and denylist documentation for BPF selftests,
from Daniel Müller.
13) Check BPF cpumap max_entries before doing allocation work,
from Florian Lehner.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (70 commits)
samples/bpf: Fix typo in README
bpf: Remove the obsolte u64_stats_fetch_*_irq() users.
bpf: check max_entries before allocating memory
bpf: Fix a typo in comment for DFS algorithm
bpftool: Fix spelling mistake "disasembler" -> "disassembler"
selftests/bpf: Fix bpftool synctypes checking failure
selftests/bpf: Panic on hard/soft lockup
docs/bpf: Add documentation for new cgroup local storage
selftests/bpf: Add test cgrp_local_storage to DENYLIST.s390x
selftests/bpf: Add selftests for new cgroup local storage
selftests/bpf: Fix test test_libbpf_str/bpf_map_type_str
bpftool: Support new cgroup local storage
libbpf: Support new cgroup local storage
bpf: Implement cgroup storage available to non-cgroup-attached bpf progs
bpf: Refactor some inode/task/sk storage functions for reuse
bpf: Make struct cgroup btf id global
selftests/bpf: Tracing prog can still do lookup under busy lock
selftests/bpf: Ensure no task storage failure for bpf_lsm.s prog due to deadlock detection
bpf: Add new bpf_task_storage_delete proto with no deadlock detection
bpf: bpf_task_storage_delete_recur does lookup first before the deadlock check
...
====================
Link: https://lore.kernel.org/r/20221102062120.5724-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The trapping of SMPRI_EL1 and TPIDR2_EL0 currently only really
work on nVHE, as only this mode uses the fine-grained trapping
that controls these two registers.
Move the trapping enable/disable code into
__{de,}activate_traps_common(), allowing it to be called when it
actually matters on VHE, and remove the flipping of EL2 control
for TPIDR2_EL0, which only affects the host access of this
register.
Fixes: 861262ab8627 ("KVM: arm64: Handle SME host state when running guests")
Reported-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/86bkpqer4z.wl-maz@kernel.org
When thermnal zones are defined, trip points definitions are mandatory.
Define a couple of critical trip points for monitoring of existing
PMIC and SOC thermal zones.
This was lost between txt to yaml conversion and was re-enforced recently
via the commit 8c596324232d ("dt-bindings: thermal: Fix missing required property")
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Fixes: f7b636a8d83c ("arm64: dts: juno: add thermal zones for scpi sensors")
Link: https://lore.kernel.org/r/20221028140833.280091-8-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
- Fix imx93-pd driver to release resources when error occurs in probe.
- A series from Ioana Ciornei to add missing clock frequencies for MDIO
controllers on LayerScape SoCs, so that the kernel driver can work
independently from bootloader.
- A series from Li Jun to fix USB power domain setup in i.MX8MM/N device
trees.
- Fix CPLD_Dn pull configuration for MX8Menlo board to avoid interfering
with CPLD power off functionality.
- Fix ctrl_sleep_moci GPIO setup for verdin-imx8mp board.
- Fix DT schema check warnings on uSDHC clocks for imx8-ss-conn device
tree.
- Fix up gpcv2 DT bindings to have an optional `power-domains` property.
- A couple of i.MX93 device tree fixes on S4MU interrupt and gpio-ranges
of GPIO controllers.
- Keep PU regulator on for Quad and QuadPlus based imx6dl-yapp4 boards to
work around a hardware design flaw in supply voltage distribution.
- Fix user push-button GPIO offset on imx6qdl-gw59 boards.
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Merge tag 'imx-fixes-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 6.1:
- Fix imx93-pd driver to release resources when error occurs in probe.
- A series from Ioana Ciornei to add missing clock frequencies for MDIO
controllers on LayerScape SoCs, so that the kernel driver can work
independently from bootloader.
- A series from Li Jun to fix USB power domain setup in i.MX8MM/N device
trees.
- Fix CPLD_Dn pull configuration for MX8Menlo board to avoid interfering
with CPLD power off functionality.
- Fix ctrl_sleep_moci GPIO setup for verdin-imx8mp board.
- Fix DT schema check warnings on uSDHC clocks for imx8-ss-conn device
tree.
- Fix up gpcv2 DT bindings to have an optional `power-domains` property.
- A couple of i.MX93 device tree fixes on S4MU interrupt and gpio-ranges
of GPIO controllers.
- Keep PU regulator on for Quad and QuadPlus based imx6dl-yapp4 boards to
work around a hardware design flaw in supply voltage distribution.
- Fix user push-button GPIO offset on imx6qdl-gw59 boards.
* tag 'imx-fixes-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: ls208xa: specify clock frequencies for the MDIO controllers
arm64: dts: ls1088a: specify clock frequencies for the MDIO controllers
arm64: dts: lx2160a: specify clock frequencies for the MDIO controllers
soc: imx: imx93-pd: Fix the error handling path of imx93_pd_probe()
arm64: dts: imx93: correct gpio-ranges
arm64: dts: imx93: correct s4mu interrupt names
dt-bindings: power: gpcv2: add power-domains property
arm64: dts: imx8: correct clock order
ARM: dts: imx6dl-yapp4: Do not allow PM to switch PU regulator off on Q/QP
ARM: dts: imx6qdl-gw59{10,13}: fix user pushbutton GPIO offset
arm64: dts: imx8mn: Correct the usb power domain
arm64: dts: imx8mn: remove otg1 power domain dependency on hsio
arm64: dts: imx8mm: correct usb power domains
arm64: dts: imx8mm: remove otg1/2 power domain dependency on hsio
arm64: dts: verdin-imx8mp: fix ctrl_sleep_moci
arm64: dts: imx8mm: Enable CPLD_Dn pull down resistor on MX8Menlo
Link: https://lore.kernel.org/r/20221101031547.GB125525@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.
Fixes: 0420dde30a90 ("arm64: dts: ls208xa: add the external MDIO nodes")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.
Fixes: bbe75af7b092 ("arm64: dts: ls1088a: add external MDIO device nodes")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.
Fixes: 6e1b8fae892d ("arm64: dts: lx2160a: add emdio1 node")
Fixes: 5705b9dcda57 ("arm64: dts: lx2160a: add emdio2 node")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Per binding doc, interrupt names should be tx and rx.
Fixes: 0dfb380d2492 ("arm64: dts: imx93: add s4 mu node")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Per bindings/mmc/fsl-imx-esdhc.yaml, the clock order is ipg, ahb, per,
otherwise warning: "
mmc@5b020000: clock-names:1: 'ahb' was expected
mmc@5b020000: clock-names:2: 'per' was expected "
Fixes: 16c4ea7501b1 ("arm64: dts: imx8: switch to new lpcg clock binding")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
pgc_otg1 is actual the power domain of usb PHY, usb controller
is in hsio power domain, and pgc_otg1 is required to be powered
up to detect usb remote wakeup, so move the pgc_otg1 power domain
to the usb phy node.
Fixes: ea2b5af58ab2 ("arm64: dts: imx8mn: put USB controller into power-domains")
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
pgc_otg1 is an independent power domain of hsio, it's for usb phy,
so remove hsio power domain from its node.
Fixes: 8b8ebec67360 ("arm64: dts: imx8mn: add GPC node")
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
pgc_otg1/2 is actual the power domain of usb PHY, usb controller
is in hsio power domain, and pgc_otg1/2 is required to be powered
up to detect usb remote wakeup, so move the pgc_otg1/2 power domain
to the usb phy node.
Fixes: 01df28d80859 ("arm64: dts: imx8mm: put USB controllers into power-domains")
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
