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If CONFIG_PM is not set, the pm_ptr() will ensure that the struct dev_pm_ops and callbacks are removed without the need for __maybe_unused markings. In this case we can't simply use DEFINE_RUNTIME_DEV_PM_OPS() because that would provide suspend and resume functions without the checks the driver is doing before calling runtime_pm functions (whether the necessary GPIO is provided). It may be possible to clean that up in future by moving the checks into the callbacks. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Andreas Klinger <ak@it-klinger.de> Link: https://lore.kernel.org/r/20220807185618.1038812-5-jic23@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>