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-05-21 14:44:40 +0200'>2025-05-21misc: amd-sbi: Add support for AMD_SBI IOCTLAkshay Gupta The present sbrmi module only support reporting power via hwmon. However, AMD data center range of processors support various system management functionality using custom protocols defined in Advanced Platform Management Link (APML) specification. Register a miscdevice, which creates a device /dev/sbrmiX with an IOCTL interface for the user space to invoke the APML Mailbox protocol, which is already defined in sbrmi_mailbox_xfer(). The APML protocols depend on a set of RMI registers. Having an IOCTL as a single entry point will help in providing synchronization among these protocols as multiple transactions on RMI register set may create race condition. Support for other protocols will be added in subsequent patches. APML mailbox protocol returns additional error codes written by SMU firmware in the out-bound register 0x37. These errors include, invalid core, message not supported over platform and others. This additional error codes can be used to provide more details to user space. Open-sourced and widely used https://github.com/amd/esmi_oob_library will continue to provide user-space programmable API. Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com> Signed-off-by: Akshay Gupta <akshay.gupta@amd.com> Link: https://lore.kernel.org/r/20250428063034.2145566-7-akshay.gupta@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2025-05-21misc: lis3lv02d: Fix correct sysfs directory path for lis3lv02dRoxana Nicolescu The lis3lv02d driver does not create a platform device anymore. It was recently changed to use a faux device instead. Therefore the sysfs path has changed from /sys/devices/platform/lis3lv02d to /sys/devices/faux/lis3lv02d. Fixes: 3b18ccb5472b ("misc: lis3lv02d: convert to use faux_device") Signed-off-by: Roxana Nicolescu <nicolescu.roxana@protonmail.com> Link: https://lore.kernel.org/r/20250506110002.36477-1-nicolescu.roxana@protonmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2024-07-10misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driverVamsi Attunuru Adds a misc driver for Marvell CN10K DPI(DMA Engine) device's physical function which initializes DPI DMA hardware's global configuration and enables hardware mailbox channels between physical function (PF) and it's virtual functions (VF). VF device drivers (User space drivers) use this hw mailbox to communicate any required device configuration on it's respective VF device. Accordingly, this DPI PF driver provisions the VF device resources. At the hardware level, the DPI physical function (PF) acts as a management interface to setup the VF device resources, VF devices are only provisioned to handle or control the actual DMA Engine's data transfer capabilities. Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com> Reviewed-by: Srujana Challa <schalla@marvell.com> Link: https://lore.kernel.org/r/20240706153009.3775333-1-vattunuru@marvell.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2024-02-04dt-bindings: misc: xlnx,sd-fec: convert bindings to yamlDragan Cvetic Convert AMD (Xilinx) sd-fec bindings to yaml format, so it can validate dt-entries as well as any future additions to yaml. Change in clocks is due to IP is itself configurable and only the first two clocks are in all combinations. The last 6 clocks can be present in some of them. It means order is not really fixed and any combination is possible. Interrupt may or may not be present. The documentation for sd-fec bindings is now YAML, so update the MAINTAINERS file. Update the link to the new yaml file in xilinx_sdfec.rst. Signed-off-by: Dragan Cvetic <dragan.cvetic@amd.com> Link: https://lore.kernel.org/r/20240131170650.530079-1-dragan.cvetic@amd.com Signed-off-by: Rob Herring <robh@kernel.org> 2023-11-17Merge branch 'vegard' into docs-mwJonathan Corbet Vegard Nossum writes: This patch series replaces some instances of 'class:: toc-title' with toctree's :caption: attribute, see the last patch in the series for some more rationale/explanation. 2023-11-17doc: misc-device: properly format ToC headingVegard Nossum "class:: toc-title" was a workaround for older Sphinx versions that are no longer supported. The canonical way to add a heading to the ToC is to use :caption:. Do that. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Julien Panis <jpanis@baylibre.com> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20231027081830.195056-9-vegard.nossum@oracle.com 2023-10-18eeprom: remove doc and MAINTAINERS section after driver was removedLukas Bulwahn Commit 0113a99b8a75 ("eeprom: Remove deprecated legacy eeprom driver") already removes the eeprom driver's code. Remove also the eeprom driver's documentation and MAINTAINERS section. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Link: https://lore.kernel.org/r/20231012042834.6663-1-lukas.bulwahn@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2023-06-15Documentation: Add TI TPS6594 PFSMJulien Panis This patch adds documentation for the TPS6594 PFSM driver. The PFSM controls the operational states of the TPS6594 PMIC. Depending on the operational mode, some power domain networks remain energized while others can be off. Signed-off-by: Julien Panis <jpanis@baylibre.com> Message-ID: <20230511095126.105104-6-jpanis@baylibre.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2022-05-19Documentation: Wire Oxford Semiconductor PCIe (Tornado) 950Maciej W. Rozycki Wire Oxford Semiconductor PCIe (Tornado) 950 description as a chapter into the misc-devices document. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131727070.10656@angie.orcam.me.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2022-05-19Documentation: Reformat Oxford Semiconductor PCIe (Tornado) 950Maciej W. Rozycki Reformat Oxford Semiconductor PCIe (Tornado) 950 description in terms of reStructuredText markup, fixing warnings with `make htmldocs'. While at it remove typos: s/the the/the/ and s/the/then/ in lines changed anyway. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131721110.10656@angie.orcam.me.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2022-05-19Documentation: Move Oxford Semiconductor PCIe (Tornado) 950 to misc-devicesMaciej W. Rozycki Documentation/tty has been moved to driver-api, which is not suitable for user documentation, so move the Oxford Semiconductor PCIe (Tornado) 950 description to misc-devices instead. Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2205131823430.10656@angie.orcam.me.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-04-14dw-xdata-pcie: Update outdated info and improve text formatGustavo Pimentel Removes old information related to the stop file interface in sysfs left by mistake during patch revision. Improves the document text format to be more user-friendly and adds basic driver related information, such as support, datasheet, and author. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Link: https://lore.kernel.org/r/4e72f931474a784d478e5a67961ecf116911997a.1618066164.git.gustavo.pimentel@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-04-14dw-xdata-pcie: Fix documentation build warnsGustavo Pimentel Fixes documentation build warns related to indentation, text formatting, and missing reference on toc. This fix solves the following warnings: WARNING: Unexpected indentation. WARNING: Block quote ends without a blank line; unexpected unindent. WARNING: document isn't included in any toctree Link: https://lore.kernel.org/linux-next/20210406214615.40cf3493@canb.auug.org.au/ Fixes: e1181b5bbc3c ("Documentation: misc-devices: Add Documentation for dw-xdata-pcie driver") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Link: https://lore.kernel.org/r/42ed2d9d27579291dc7cce89c0164bd9255fe337.1618066164.git.gustavo.pimentel@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-04-05Documentation: misc-devices: Add Documentation for dw-xdata-pcie driverGustavo Pimentel Add Documentation for dw-xdata-pcie driver. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Link: https://lore.kernel.org/r/764b9bf744d7fe20c7a216019eef8ddf482c1bd7.1617016509.git.gustavo.pimentel@synopsys.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>