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dev_pm_ops.thaw() is called in following cases: * normal case: after hibernation image has been created. * error case 1: creation of a hibernation image has failed. * error case 2: restoration from a hibernation image has failed. For normal case, it is called mainly for resume storage devices for saving the hibernation image. Other devices that are not involved in the image saving do not need to resume the device. But since there's no api to know which case thaw() is called, device drivers can't conditionally resume device in thaw(). The new pm_hibernate_is_recovering() is such a api to query if thaw() is called in normal case. Signed-off-by: Samuel Zhang <guoqing.zhang@amd.com> Acked-by: Rafael J. Wysocki <rafael@kernel.org> Link: https://lore.kernel.org/r/20250710062313.3226149-5-guoqing.zhang@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>