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Set GENPD_FLAG_ACTIVE_WAKEUP flag for domain psci cpuidle when OSI is activated, then when a device is set as the wake-up source using device_set_wakeup_path, the PSCI power domain could be retained to allow so that the associated device can wake up the system. With this flag, for S2IDLE system-wide suspend, the wake-up path is managed in each device driver and is tested in the power framework: a PSCI domain is only turned off when GENPD_FLAG_ACTIVE_WAKEUP is enabled and the associated device is not in the wake-up path, so PSCI CPUIdle selects the lowest level in the PSCI topology according to the wake-up path. This patch is a preliminary step to support PSCI OSI on the STM32MP25 platform with the D1 domain (power-domain-cluster) for the A35 cortex cluster and for the associated peripherals including EXTI1 which manages the wake-up interrupts for domain D1. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Message-ID: <20241119141827.1.I6129b16ec6b558efc1707861db87e55bf7022f62@changeid> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>