in stm32_hwspinlock.c [57:69]
static void stm32_hwspinlock_disable_clk(void *data)
{
struct platform_device *pdev = data;
struct stm32_hwspinlock *hw = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
pm_runtime_get_sync(dev);
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
clk_disable_unprepare(hw->clk);
}