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- 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>