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2024-05-10Merge branch 'thermal-intel'Rafael J. Wysocki
Merge updates of Intel thermal drivers for v6.10: - Add missing MODULE_DESCRIPTION() to multiple files in the int340x_thermal and intel_soc_dts_iosf drivers (Srinivas Pandruvada). - Adjust the update delay and capabilities-per-event values in the Intel HFI thermal driver to prevent it from missing events and allow it to process more data in one go (Ricardo Neri). * thermal-intel: thermal: intel: hfi: Increase the number of CPU capabilities per netlink event thermal: intel: hfi: Rename HFI_MAX_THERM_NOTIFY_COUNT thermal: intel: hfi: Shorten the thermal netlink event delay to 100ms thermal: intel: hfi: Rename HFI_UPDATE_INTERVAL thermal: intel: Add missing module description
2024-05-10Merge tag 'block-6.9-20240510' of git://git.kernel.dk/linuxLinus Torvalds
Pull block fixes from Jens Axboe: - NVMe pull request via Keith: - nvme target fixes (Sagi, Dan, Maurizo) - new vendor quirk for broken MSI (Sean) - Virtual boundary fix for a regression in this merge window (Ming) * tag 'block-6.9-20240510' of git://git.kernel.dk/linux: nvmet-rdma: fix possible bad dereference when freeing rsps nvmet: prevent sprintf() overflow in nvmet_subsys_nsid_exists() nvmet: make nvmet_wq unbound nvmet-auth: return the error code to the nvmet_auth_ctrl_hash() callers nvme-pci: Add quirk for broken MSIs block: set default max segment size in case of virt_boundary
2024-05-10Merge tag 'spi-fix-v6.9-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "Two device specific fixes here, one avoiding glitches on chip select with the STM32 driver and one for incorrectly configured clocks on the Microchip QSPI controller" * tag 'spi-fix-v6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: microchip-core-qspi: fix setting spi bus clock rate spi: stm32: enable controller before asserting CS
2024-05-10Merge tag 'loongarch-kvm-6.10' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD LoongArch KVM changes for v6.10 1. Add ParaVirt IPI support. 2. Add software breakpoint support. 3. Add mmio trace events support.
2024-05-10Merge branch 'kvm-sev-es-ghcbv2' into HEADPaolo Bonzini
While the main additions from GHCB protocol version 1 to version 2 revolve mostly around SEV-SNP support, there are a number of changes applicable to SEV-ES guests as well. Pluck a handful patches from the SNP hypervisor patchset for GHCB-related changes that are also applicable to SEV-ES. A KVM_SEV_INIT2 field lets userspace can control the maximum GHCB protocol version advertised to guests and manage compatibility across kernels/versions.
2024-05-10Merge branch 'kvm-coco-pagefault-prep' into HEADPaolo Bonzini
A combination of prep work for TDX and SNP, and a clean up of the page fault path to (hopefully) make it easier to follow the rules for private memory, noslot faults, writes to read-only slots, etc.
2024-05-10Merge branch 'kvm-vmx-ve' into HEADPaolo Bonzini
Allow a non-zero value for non-present SPTE and removed SPTE, so that TDX can set the "suppress VE" bit.
2024-05-10Merge tag 'regulator-fix-v6.9-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "Two fixes here, one from Johan which fixes error handling when we attempt to create duplicate debugfs files and one for an incorrect specification of ramp_delay with the rtq2208" * tag 'regulator-fix-v6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: core: fix debugfs creation regression regulator: rtq2208: Fix the BUCK ramp_delay range to maximum of 16mVstep/us
2024-05-10Merge tag 'timers-urgent-2024-05-10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: "Fix possible (but unlikely) out-of-bounds access in the timer migration per-CPU-init code" * tag 'timers-urgent-2024-05-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers/migration: Prevent out of bounds access on failure
2024-05-10vfio: remove an extra semicolonforyun.ma
remove an extra semicolon from the example code Signed-off-by: foryun.ma <foryun.ma@jaguarmicro.com> Link: https://lore.kernel.org/r/20240510003735.2766-1-foryun.ma@jaguarmicro.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2024-05-10KVM: x86: Add hook for determining max NPT mapping levelMichael Roth
In the case of SEV-SNP, whether or not a 2MB page can be mapped via a 2MB mapping in the guest's nested page table depends on whether or not any subpages within the range have already been initialized as private in the RMP table. The existing mixed-attribute tracking in KVM is insufficient here, for instance: - gmem allocates 2MB page - guest issues PVALIDATE on 2MB page - guest later converts a subpage to shared - SNP host code issues PSMASH to split 2MB RMP mapping to 4K - KVM MMU splits NPT mapping to 4K - guest later converts that shared page back to private At this point there are no mixed attributes, and KVM would normally allow for 2MB NPT mappings again, but this is actually not allowed because the RMP table mappings are 4K and cannot be promoted on the hypervisor side, so the NPT mappings must still be limited to 4K to match this. Add a hook to determine the max NPT mapping size in situations like this. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Michael Roth <michael.roth@amd.com> Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com> Message-ID: <20240501085210.2213060-3-michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: Add hook for invalidating memoryMichael Roth
In some cases, like with SEV-SNP, guest memory needs to be updated in a platform-specific manner before it can be safely freed back to the host. Wire up arch-defined hooks to the .free_folio kvm_gmem_aops callback to allow for special handling of this sort when freeing memory in response to FALLOC_FL_PUNCH_HOLE operations and when releasing the inode, and go ahead and define an arch-specific hook for x86 since it will be needed for handling memory used for SEV-SNP guests. Signed-off-by: Michael Roth <michael.roth@amd.com> Message-Id: <20231230172351.574091-6-michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: Add interface for populating gmem pages with user dataPaolo Bonzini
During guest run-time, kvm_arch_gmem_prepare() is issued as needed to prepare newly-allocated gmem pages prior to mapping them into the guest. In the case of SEV-SNP, this mainly involves setting the pages to private in the RMP table. However, for the GPA ranges comprising the initial guest payload, which are encrypted/measured prior to starting the guest, the gmem pages need to be accessed prior to setting them to private in the RMP table so they can be initialized with the userspace-provided data. Additionally, an SNP firmware call is needed afterward to encrypt them in-place and measure the contents into the guest's launch digest. While it is possible to bypass the kvm_arch_gmem_prepare() hooks so that this handling can be done in an open-coded/vendor-specific manner, this may expose more gmem-internal state/dependencies to external callers than necessary. Try to avoid this by implementing an interface that tries to handle as much of the common functionality inside gmem as possible, while also making it generic enough to potentially be usable/extensible for TDX as well. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Michael Roth <michael.roth@amd.com> Co-developed-by: Michael Roth <michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: extract __kvm_gmem_get_pfn()Paolo Bonzini
In preparation for adding a function that walks a set of pages provided by userspace and populates them in a guest_memfd, add a version of kvm_gmem_get_pfn() that has a "bool prepare" argument and passes it down to kvm_gmem_get_folio(). Populating guest memory has to call repeatedly __kvm_gmem_get_pfn() on the same file, so make the new function take struct file*. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: Add hook for initializing memoryPaolo Bonzini
guest_memfd pages are generally expected to be in some arch-defined initial state prior to using them for guest memory. For SEV-SNP this initial state is 'private', or 'guest-owned', and requires additional operations to move these pages into a 'private' state by updating the corresponding entries the RMP table. Allow for an arch-defined hook to handle updates of this sort, and go ahead and implement one for x86 so KVM implementations like AMD SVM can register a kvm_x86_ops callback to handle these updates for SEV-SNP guests. The preparation callback is always called when allocating/grabbing folios via gmem, and it is up to the architecture to keep track of whether or not the pages are already in the expected state (e.g. the RMP table in the case of SEV-SNP). In some cases, it is necessary to defer the preparation of the pages to handle things like in-place encryption of initial guest memory payloads before marking these pages as 'private'/'guest-owned'. Add an argument (always true for now) to kvm_gmem_get_folio() that allows for the preparation callback to be bypassed. To detect possible issues in the way userspace initializes memory, it is only possible to add an unprepared page if it is not already included in the filemap. Link: https://lore.kernel.org/lkml/ZLqVdvsF11Ddo7Dq@google.com/ Co-developed-by: Michael Roth <michael.roth@amd.com> Signed-off-by: Michael Roth <michael.roth@amd.com> Message-Id: <20231230172351.574091-5-michael.roth@amd.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: limit overzealous WARNPaolo Bonzini
Because kvm_gmem_get_pfn() is called from the page fault path without any of the slots_lock, filemap lock or mmu_lock taken, it is possible for it to race with kvm_gmem_unbind(). This is not a problem, as any PTE that is installed temporarily will be zapped before the guest has the occasion to run. However, it is not possible to have a complete unbind+bind racing with the page fault, because deleting the memslot will call synchronize_srcu_expedited() and wait for the page fault to be resolved. Thus, we can still warn if the file is there and is not the one we expect. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: pass error up from filemap_grab_folioPaolo Bonzini
Some SNP ioctls will require the page not to be in the pagecache, and as such they will want to return EEXIST to userspace. Start by passing the error up from filemap_grab_folio. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10KVM: guest_memfd: Use AS_INACCESSIBLE when creating guest_memfd inodeMichael Roth
truncate_inode_pages_range() may attempt to zero pages before truncating them, and this will occur before arch-specific invalidations can be triggered via .invalidate_folio/.free_folio hooks via kvm_gmem_aops. For AMD SEV-SNP this would result in an RMP #PF being generated by the hardware, which is currently treated as fatal (and even if specifically allowed for, would not result in anything other than garbage being written to guest pages due to encryption). On Intel TDX this would also result in undesirable behavior. Set the AS_INACCESSIBLE flag to prevent the MM from attempting unexpected accesses of this sort during operations like truncation. This may also in some cases yield a decent performance improvement for guest_memfd userspace implementations that hole-punch ranges immediately after private->shared conversions via KVM_SET_MEMORY_ATTRIBUTES, since the current implementation of truncate_inode_pages_range() always ends up zero'ing an entire 4K range if it is backing by a 2M folio. Link: https://lore.kernel.org/lkml/ZR9LYhpxTaTk6PJX@google.com/ Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Michael Roth <michael.roth@amd.com> Message-ID: <20240329212444.395559-6-michael.roth@amd.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10mm: Introduce AS_INACCESSIBLE for encrypted/confidential memoryMichael Roth
filemap users like guest_memfd may use page cache pages to allocate/manage memory that is only intended to be accessed by guests via hardware protections like encryption. Writes to memory of this sort in common paths like truncation may cause unexpected behavior such as writing garbage instead of zeros when attempting to zero pages, or worse, triggering hardware protections that are considered fatal as far as the kernel is concerned. Introduce a new address_space flag, AS_INACCESSIBLE, and use this initially to prevent zero'ing of pages during truncation, with the understanding that it is up to the owner of the mapping to handle this specially if needed. This is admittedly a rather blunt solution, but it seems like there are no other places that should take into account the flag to keep its promise. Link: https://lore.kernel.org/lkml/ZR9LYhpxTaTk6PJX@google.com/ Cc: Matthew Wilcox <willy@infradead.org> Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Michael Roth <michael.roth@amd.com> Message-ID: <20240329212444.395559-5-michael.roth@amd.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-10Merge tag 'iommu-fixes-v6.9-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - Fix offset miscalculation on ARM-SMMU driver - AMD IOMMU fix for initializing state of untrusted devices * tag 'iommu-fixes-v6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault() iommu/amd: Enhance def_domain_type to handle untrusted device
2024-05-10drm/amdgpu: Fix comparison in amdgpu_res_cpu_visibleMichel Dänzer
It incorrectly claimed a resource isn't CPU visible if it's located at the very end of CPU visible VRAM. Fixes: a6ff969fe9cb ("drm/amdgpu: fix visible VRAM handling during faults") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3343 Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reported-and-Tested-by: Jeremy Day <jsday@noreason.ca> Signed-off-by: Michel Dänzer <mdaenzer@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> CC: stable@vger.kernel.org
2024-05-10drm/amdkfd: don't allow mapping the MMIO HDP page with large pagesAlex Deucher
We don't get the right offset in that case. The GPU has an unused 4K area of the register BAR space into which you can remap registers. We remap the HDP flush registers into this space to allow userspace (CPU or GPU) to flush the HDP when it updates VRAM. However, on systems with >4K pages, we end up exposing PAGE_SIZE of MMIO space. Fixes: d8e408a82704 ("drm/amdkfd: Expose HDP registers to user space") Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2024-05-10x86/topology/amd: Ensure that LLC ID is initializedThomas Gleixner
The original topology evaluation code initialized cpu_data::topo::llc_id with the die ID initialy and then eventually overwrite it with information gathered from a CPUID leaf. The conversion analysis failed to spot that particular detail and omitted this initial assignment under the assumption that each topology evaluation path will set it up. That assumption is mostly correct, but turns out to be wrong in case that the CPUID leaf 0x80000006 does not provide a LLC ID. In that case, LLC ID is invalid and as a consequence the setup of the scheduling domain CPU masks is incorrect which subsequently causes the scheduler core to complain about it during CPU hotplug: BUG: arch topology borken the CLS domain not a subset of the MC domain Cure it by reusing legacy_set_llc() and assigning the die ID if the LLC ID is invalid after all possible parsers have been tried. Fixes: f7fb3b2dd92c ("x86/cpu: Provide an AMD/HYGON specific topology parser") Reported-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Tested-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Link: https://lore.kernel.org/r/PUZPR04MB63168AC442C12627E827368581292@PUZPR04MB6316.apcprd04.prod.outlook.com
2024-05-10backlight: sky81452-backlight: Remove unnecessary call to of_node_get()Shresth Prasad
`dev->of_node` already has a reference to the device_node and calling of_node_get on it is unnecessary. All conresponding calls to of_node_put are also removed. Signed-off-by: Shresth Prasad <shresthprasad7@gmail.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240502172121.8695-2-shresthprasad7@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: mp3309c: Fix LEDs flickering in PWM modeFlavio Suligoi
The mp3309 has two configuration registers, named according to their address (0x00 and 0x01). In the second register (0x01), the bit DIMS (Dimming Mode Select) must be always 0 (zero), in both analog (via I2C commands) and PWM dimming mode. In the initial driver version, the DIMS bit was set in PWM mode and reset in analog mode. But if the DIMS bit is set in pwm dimming mode and other devices are connected on the same I2C bus, every I2C commands on the bus generates a flickering on the LEDs powered by the mp3309c. This change concerns the chip initialization and does not impact any existing device-tree configuration. Signed-off-by: Flavio Suligoi <f.suligoi@asem.it> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240417153105.1794134-2-f.suligoi@asem.it Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: otm3225a: Drop driver owner assignmentKrzysztof Kozlowski
Core in spi_register_driver() already sets the .owner, so driver does not need to. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240327174714.519577-1-krzysztof.kozlowski@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: lp8788: Drop support for platform dataUwe Kleine-König
The backlight driver supports getting passed platform data. However this isn't used. This allows to remove quite some dead code from the driver because bl->pdata is always NULL, and so bl->mode is always LP8788_BL_REGISTER_ONLY. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240329133839.550065-2-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: lcd: Make lcd_class constantRicardo B. Marliere
Since commit 43a7206b0963 ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the lcd_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/2024032809-enchanted-conducive-3677@gregkh Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: Make backlight_class constantRicardo B. Marliere
Since commit 43a7206b0963 ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the backlight_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20240305-class_cleanup-backlight-v1-1-c0e15cc25be1@marliere.net Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10backlight: mp3309c: Fix signedness bug in mp3309c_parse_fwnode()Dan Carpenter
The "num_levels" variable is used to store error codes from device_property_count_u32() so it needs to be signed. This doesn't cause an issue at runtime because devm_kcalloc() won't allocate negative sizes. However, it's still worth fixing. Fixes: b54c828bdba9 ("backlight: mp3309c: Make use of device properties") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Tested-by: Flavio Suligoi <f.suligoi@asem.it> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/74347f67-360d-4513-8939-595e3c4764fa@moroto.mountain Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10Merge branches 'ib-backlight-auxdisplay-staging-omap-6.9', ↵Lee Jones
'ib-backlight-auxdisplay-hid-fb-6.9' and 'ib-backlight-hid-fbdev-lcd-scripts-6.10' into ibs-for-backlight-merged
2024-05-10dt-bindings: mfd: Use full path to other schemasKrzysztof Kozlowski
When referencing other schema, it is preferred to use an absolute path (/schemas/....), which allows also an seamless move of particular schema out of Linux kernel to dtschema. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org> Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com> Link: https://lore.kernel.org/r/20240503072116.12430-1-krzysztof.kozlowski@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: rsmu: support I2C SMBus accessMin Li
8a3400x device implements its own reg_read and reg_write, which only supports I2C bus access. This patch adds support for SMBus access. Signed-off-by: Min Li <min.li.xe@renesas.com> Link: https://lore.kernel.org/r/LV3P220MB12021342F302AADEB6C1601CA0192@LV3P220MB1202.NAMP220.PROD.OUTLOOK.COM Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: Convert lp873x.txt to json-schemaNathan Morrisson
Convert the lp873x binding to DT schema format. The gpio-controller and #gpio-cells properties were removed from required because using the device as a GPIO controller is optional. Signed-off-by: Nathan Morrisson <nmorrisson@phytec.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240429195830.4027250-1-nmorrisson@phytec.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: aspeed: Drop 'oneOf' for pinctrl nodeRob Herring (Arm)
The use of 'oneOf' to include 1 of 3 possible child node schemas results in error messages containing the actual error message(s) for the correct SoC buried in the tons of error messages from the 2 schemas that don't apply. It also causes the pinctrl schema to be applied twice as it will be applied when the compatible matches. All that's really needed in the parent schema is to ensure one of the possible compatible strings is present in the pinctrl node so that its schema will be applied separately. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au> Link: https://lore.kernel.org/r/20240430172520.535179-1-robh@kernel.org Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: allwinner,sun6i-a31-prcm: Use hyphens in node namesKrzysztof Kozlowski
Underscores should not be used in node names (dtc with W=2 warns about them), so replace them with hyphens. This should have no impact on known users: Linux MFD driver does not care about children node names. DTS was already adjusted in commit 0f47ef3ff1bd ("arm: dts: allwinner: drop underscore in node names"), so without this change, we observe dtbs_check warnings: sun6i-a31s-colorfly-e708-q1.dtb: prcm@1f01400: 'ahb0-clk', 'apb0-clk', 'apb0-gates-clk', 'apb0-rst', 'ar100-clk', 'ir-clk' do not match any of the regexes: '^.*_(clk|rst)$', 'pinctrl-[0-9]+' Reported-by: Rob Herring <robh@kernel.org> Closes: https://lore.kernel.org/all/CAL_JsqJfT-jui5P56CO4Fr37kr5iNN8dpxt8ecKeFmdVGnRYbA@mail.gmail.com/ Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20240424045521.31857-1-krzysztof.kozlowski@linaro.org Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: ssbi: Remove unused field 'slave' from 'struct ssbi'Christophe JAILLET
In 'struct ssbi, the 'slave' field is unused. Remove it. Found with cppcheck, unusedStructMember. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/8a76de25cefb533d94dfe35062bbd9a8e72f4bb9.1713971415.git.christophe.jaillet@wanadoo.fr Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: kempld: Remove custom DMI matching codeAndy Shevchenko
The ->init() open codes the functionality of DMI matching code. Moreover, all DMI quirks are using the same callback and driver_data. With this in mind, refactor the DMI matching code. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240423210706.3709568-1-andriy.shevchenko@linux.intel.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: cs42l43: Update patching revision checkCharles Keepax
The firmware can only be patched once. The current code checks if the firmware supports the features required by the driver and then patches if it does not. This could lead to the device being patched twice if the device was patched before the driver took control, but with a firmware that doesn't support the features the driver requires. This would fail but potentially in unpredictable ways. The check should actually check the device is at the ROM version, and patch the device if it is. Then a separate later check should error out if the devices firmware is still too old to be supported. This will at least fail in a clean way with a nice error message. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20240423102339.2363400-1-ckeepax@opensource.cirrus.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: qcom: pm8xxx: Add pm8901 compatibleHerman van Hazendonk
Add missing compatible for the pm8901 model used in msm8660 such as (HP TouchPad (tenderloin). Signed-off-by: Herman van Hazendonk <github.com@herrie.org> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20240415123038.1526386-1-github.com@herrie.org Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: timberdale: Remove redundant assignment to variable errColin Ian King
The variable err is being assigned -ENODEV and then err is being re-assigned the same error value via the error exit label err_mfd. The assignment is redundant and can be removed. Cleans up clang scan build warning: drivers/mfd/timberdale.c:768:3: warning: Value stored to 'err' is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20240415102632.484411-1-colin.i.king@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: qcom,spmi-pmic: Add pbs to SPMI device typesLuca Weiss
Add the PBS (Programmable Boot Sequencer) to the list of devices. Reviewed-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240412-pmi632-ppg-v2-1-8ac892b1bb61@fairphone.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: syscon: Add ti,am62p-cpsw-mac-efuse compatibleSiddharth Vadapalli
The CTRLMMR_MAC_IDx registers within the CTRL_MMR space of TI's AM62p SoC contain the MAC Address programmed in the eFuse. Add compatible for allowing the CPSW driver to obtain a regmap for the CTRLMMR_MAC_IDx registers within the System Controller device-tree node. The default MAC Address for the interface corresponding to the first MAC port will be set to the value programmed in the eFuse. Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240402105708.4114146-1-s-vadapalli@ti.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: qcom,tcsr: Add compatible for SDX75Rohit Agarwal
Document the qcom,sdx75-tcsr compatible. Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20240426055326.3141727-3-quic_rohiagar@quicinc.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: axp20x: Convert to use Maple Tree register cachewangkaiyuan
The maple tree register cache is based on a much more modern data structure than the rbtree cache and makes optimisation choices which are probably more appropriate for modern systems than those made by the rbtree cache. Signed-off-by: wangkaiyuan <wangkaiyuan@inspur.com> Link: https://lore.kernel.org/r/20240429024547.27724-1-wangkaiyuan@inspur.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: bd71828: Remove commented code linesMatti Vaittinen
Some commented out code was accidentally left in the header. Clean up commented out macros. Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> Link: https://lore.kernel.org/r/ZhjOj_4AUgC4Iwh_@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: intel-m10-bmc: Change staging size to a variableIlpo Järvinen
The secure update driver does a sanity-check of the image size in comparison to the size of the staging area in FLASH. Instead of hard-wiring M10BMC_STAGING_SIZE, move the staging size to the m10bmc_csr_map structure to make the size assignment more flexible. Co-developed-by: Russ Weight <russell.h.weight@intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Peter Colberg <peter.colberg@intel.com> Reviewed-by: Xu Yilun <yilun.xu@intel.com> Link: https://lore.kernel.org/r/20240402184925.1065932-1-peter.colberg@intel.com Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10dt-bindings: mfd: Add ROHM BD71879Andreas Kemnade
As this chip was seen in several devices in the wild, add it. Suggested-by: Matti Vaittinen <mazziesaccount@gmail.com> Signed-off-by: Andreas Kemnade <andreas@kemnade.info> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Matti Vaittinen <mazziesaccount@gmail.com> Link: https://lore.kernel.org/r/20240404195423.666446-2-andreas@kemnade.info Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: Tidy Kconfig dependency's parenthesesJean Delvare
Drop unneeded parentheses for clarity and consistency. Signed-off-by: Jean Delvare <jdelvare@suse.de> Link: https://lore.kernel.org/r/20240407112445.503bcbc6@endymion.delvare Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-10mfd: ocelot-spi: Use spi_sync_transfer()Christophe JAILLET
Use spi_sync_transfer() instead of hand-writing it. It is less verbose. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Colin Foster <colin.foster@in-advantage.com> Tested-by: Colin Foster <colin.foster@in-advantage.com> Link: https://lore.kernel.org/r/7af920eb686b719cb7eb39c832e3ad414e0e1e1a.1712258667.git.christophe.jaillet@wanadoo.fr Signed-off-by: Lee Jones <lee@kernel.org>