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The Power Domain Controller (PDC) on QTI SoCs like SDM845 houses an interrupt controller along with other domain control functions to handle interrupt related functions like handle falling edge or active low which are not detected at the GIC and handle wakeup interrupts. The interrupt controller is on an always-on domain for the purpose of waking up the processor. Only a subset of the processor's interrupts are routed through the PDC to the GIC. The PDC powers on the processors' domain, when in low power mode and replays pending interrupts so the GIC may wake up the processor. Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org> Signed-off-by: Lina Iyer <ilina@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.