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2025-04-07platform/x86: intel_pmc_ipc: add option to build without ACPIDavid E. Box
Introduce a configuration option that allows users to build the intel_pmc_ipc driver without ACPI support. This is useful for systems where ACPI is not available or desired. Based on the discussion from the patch [1], it was necessary to provide this option to accommodate specific use cases. Link: https://patchwork.kernel.org/project/netdevbpf/patch/20250227121522.1802832-6-yong.liang.choong@linux.intel.com/#26280764 [1] Signed-off-by: David E. Box <david.e.box@linux.intel.com> Co-developed-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Reviewed-by: Andy Shevchenko <andy@kernel.org> Link: https://lore.kernel.org/r/20250313085526.1439092-1-yong.liang.choong@linux.intel.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-03-05arch: x86: add IPC mailbox accessor function and add SoC register accessDavid E. Box
- Exports intel_pmc_ipc() for host access to the PMC IPC mailbox - Enables the host to access specific SoC registers through the PMC firmware using IPC commands. This access method is necessary for registers that are not available through direct Memory-Mapped I/O (MMIO), which is used for other accessible parts of the PMC. Signed-off-by: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Chao Qin <chao.qin@intel.com> Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://patch.msgid.link/20250227121522.1802832-4-yong.liang.choong@linux.intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>