kernel/linux.git/drivers/firmware/Kconfig, branch v6.12.80

firmware: SDEI: Allow sdei initialization without ACPI_APEI_GHES

2025-06-19T13:31:38+00:00

[ Upstream commit 59529bbe642de4eb2191a541d9b4bae7eb73862e ] SDEI usually initialize with the ACPI table, but on platforms where ACPI is not used, the SDEI feature can still be used to handle specific firmware calls or other customized purposes. Therefore, it is not necessary for ARM_SDE_INTERFACE to depend on ACPI_APEI_GHES. In commit dc4e8c07e9e2 ("ACPI: APEI: explicit init of HEST and GHES in acpi_init()"), to make APEI ready earlier, sdei_init was moved into acpi_ghes_init instead of being a standalone initcall, adding ACPI_APEI_GHES dependency to ARM_SDE_INTERFACE. This restricts the flexibility and usability of SDEI. This patch corrects the dependency in Kconfig and splits sdei_init() into two separate functions: sdei_init() and acpi_sdei_init(). sdei_init() will be called by arch_initcall and will only initialize the platform driver, while acpi_sdei_init() will initialize the device from acpi_ghes_init() when ACPI is ready. This allows the initialization of SDEI without ACPI_APEI_GHES enabled. Fixes: dc4e8c07e9e2 ("ACPI: APEI: explicit init of HEST and GHES in apci_init()") Cc: Shuai Xue Signed-off-by: Huang Yiwei Reviewed-by: Shuai Xue Reviewed-by: Gavin Shan Acked-by: Rafael J. Wysocki Link: https://lore.kernel.org/r/20250507045757.2658795-1-quic_hyiwei@quicinc.com Signed-off-by: Will Deacon Signed-off-by: Sasha Levin

firmware: iscsi_ibft: fix ISCSI_IBFT Kconfig entry

2025-02-17T09:04:58+00:00

[ Upstream commit e1e17a1715982201034024863efbf238bee2bdf9 ] Fix ISCSI_IBFT Kconfig entry, replace tab with a space character. Fixes: 138fe4e0697 ("Firmware: add iSCSI iBFT Support") Signed-off-by: Prasad Pandit Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: Sasha Levin

video: Add helpers for decoding screen_info

2024-02-14T09:09:13+00:00

The plain values as stored in struct screen_info need to be decoded before being used. Add helpers that decode the type of video output and the framebuffer I/O aperture. Old or non-x86 systems may not set the type of video directly, but only indicate the presence by storing 0x01 in orig_video_isVGA. The decoding logic in screen_info_video_type() takes this into account. It then follows similar code in vgacon's vgacon_startup() to detect the video type from the given values. A call to screen_info_resources() returns all known resources of the given screen_info. The resources' values have been taken from existing code in vgacon and vga16fb. These drivers can later be converted to use the new interfaces. v2: * return ssize_t from screen_info_resources() * don't call __screen_info_has_lfb() unnecessarily Signed-off-by: Thomas Zimmermann Reviewed-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20240212090736.11464-2-tzimmermann@suse.de

Merge tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

2024-01-12T21:54:25+00:00

Pull pmdomain updates from Ulf Hansson: "Core: - Move the generic PM domain and its governor to the pmdomain subsystem - Drop the unused pm_genpd_opp_to_performance_state() Providers: - Convert some providers to let the ->remove() callback return void - amlogic: Add support for G12A ISP power domain - arm: Move the SCPI power-domain driver to the pmdomain subsystem - arm: Move Kconfig options to the pmdomain subsystem - qcom: Update part number to X1E80100 for the rpmhpd" * tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: PM: domains: Move genpd and its governor to the pmdomain subsystem PM: domains: Drop redundant header for genpd PM: domains: Drop the unused pm_genpd_opp_to_performance_state() PM: domains: fix domain_governor kernel-doc warnings pmdomain: xilinx/zynqmp: Convert to platform remove callback returning void pmdomain: qcom-cpr: Convert to platform remove callback returning void pmdomain: imx93-pd: Convert to platform remove callback returning void pmdomain: imx93-blk-ctrl: Convert to platform remove callback returning void pmdomain: imx8mp-blk-ctrl: Convert to platform remove callback returning void pmdomain: imx8m-blk-ctrl: Convert to platform remove callback returning void pmdomain: imx-gpcv2: Convert to platform remove callback returning void pmdomain: imx-gpc: Convert to platform remove callback returning void pmdomain: imx-pgc: Convert to platform remove callback returning void pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain dt-bindings: power: meson-g12a-power: document ISP power domain firmware: arm_scpi: Move power-domain driver to the pmdomain dir pmdomain: arm_scmi: Move Kconfig options to the pmdomain subsystem pmdomain: qcom: rpmhpd: Update part number to X1E80100 dt-bindings: power: rpmpd: Update part number to X1E80100

Merge tag 'riscv-soc-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers

2023-12-22T11:22:16+00:00

RISC-V SoC drivers for v6.8 There's only one set of changes here, the addition of "Auto Update" support for PolarFire SoC. Auto Update is one of the ways that the FPGA bitstream can be updated, and the only one suitable for use from Linux as it does not immediately initiate a reboot when started. The driver was not accepted in the FPGA manager subsystem as the update only occurs after a reboot and makes no use of the FPGA manager framework. Signed-off-by: Conor Dooley * tag 'riscv-soc-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux: MAINTAINERS: add auto-update driver to mpfs entry firmware: microchip: Replace of_device.h with explicit include firmware: microchip: add PolarFire SoC Auto Update support soc: microchip: mpfs: add auto-update subdev to system controller soc: microchip: mpfs: print service status in warning message soc: microchip: mpfs: enable access to the system controller's flash dt-bindings: soc: microchip: add a property for system controller flash firmware_loader: Expand Firmware upload error codes with firmware invalid error Link: https://lore.kernel.org/r/20231221-droop-unblock-81e4fe14acee@spud Signed-off-by: Arnd Bergmann

firmware: microchip: add PolarFire SoC Auto Update support

2023-12-06T12:11:45+00:00

Add support for Auto Update reprogramming of the FPGA fabric on PolarFire SoC, using the fw_upload mechanism a la the intel-m10-bmc-sec-update driver. This driver only writes the image to the spi flash & performs validation on it, as the entire FPGA becomes unusable during the actual reprogramming of a bitstream. To initiate the reprogramming itself, a device reset is required. The SBI SRST extension's "cold reboot" can trigger such a device reset, provided corresponding support has been enabled in the HSS (Hart Software Services), the provider of SBI runtime services on PolarFire SoC. While this is a driver responsible for the reprogramming of an FPGA, there is no dynamic discovery of devices involved, as runtime reconfiguration is not possible due to the device reset requirements. Therefore FPGA manager subsystem is not used by this driver and the FPGA subsystem maintainers were unwilling to accept it there. Signed-off-by: Conor Dooley

firmware: arm_scpi: Move power-domain driver to the pmdomain dir

2023-11-23T16:32:53+00:00

To simplify with maintenance let's move the Arm SCPI power-domain driver to the new pmdomain directory. Note this is different from and precedes the new Arm SCMI protocol. Signed-off-by: Sudeep Holla Link: https://lore.kernel.org/r/20231123120847.2825444-2-sudeep.holla@arm.com Signed-off-by: Ulf Hansson

Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

2023-11-16T12:39:37+00:00

Pull virtio fixes from Michael Tsirkin: "Bugfixes all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost-vdpa: fix use after free in vhost_vdpa_probe() virtio_pci: Switch away from deprecated irq_set_affinity_hint riscv, qemu_fw_cfg: Add support for RISC-V architecture vdpa_sim_blk: allocate the buffer zeroed virtio_pci: move structure to a header

Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

2023-11-02T01:28:33+00:00

Pull ia64 removal and asm-generic updates from Arnd Bergmann: - The ia64 architecture gets its well-earned retirement as planned, now that there is one last (mostly) working release that will be maintained as an LTS kernel. - The architecture specific system call tables are updated for the added map_shadow_stack() syscall and to remove references to the long-gone sys_lookup_dcookie() syscall. * tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: hexagon: Remove unusable symbols from the ptrace.h uapi asm-generic: Fix spelling of architecture arch: Reserve map_shadow_stack() syscall number for all architectures syscalls: Cleanup references to sys_lookup_dcookie() Documentation: Drop or replace remaining mentions of IA64 lib/raid6: Drop IA64 support Documentation: Drop IA64 from feature descriptions kernel: Drop IA64 support from sig_fault handlers arch: Remove Itanium (IA-64) architecture

riscv, qemu_fw_cfg: Add support for RISC-V architecture

2023-11-01T13:31:16+00:00

Qemu fw_cfg support was missing for RISC-V, which made it hard to do proper vmcore dumps from qemu. Add the missing RISC-V arch-defines. You can now do vmcore dumps from qemu. Add "-device vmcoreinfo" to the qemu command-line. From the qemu monitor: (qemu) dump-guest-memory vmcore The vmcore can now be used, e.g., with the "crash" utility. Acked-by: "Michael S. Tsirkin" Acked-by: Alistair Francis Tested-by: Clément Léger Signed-off-by: Björn Töpel Message-Id: <20231012102852.234442-1-bjorn@kernel.org> Signed-off-by: Michael S. Tsirkin