-#ifdef CONFIG_SUSPEND
-
-/* This is just an arbitrary number */
-#define FREE_PAGE_NUMBER (100)
-
-static struct platform_suspend_ops *suspend_ops;
-
-/**
- * suspend_set_ops - Set the global suspend method table.
- * @ops: Pointer to ops structure.
- */
-
-void suspend_set_ops(struct platform_suspend_ops *ops)
-{
- mutex_lock(&pm_mutex);
- suspend_ops = ops;
- mutex_unlock(&pm_mutex);
-}
-
-/**
- * suspend_valid_only_mem - generic memory-only valid callback
- *
- * Platform drivers that implement mem suspend only and only need
- * to check for that in their .valid callback can use this instead
- * of rolling their own .valid callback.
- */
-int suspend_valid_only_mem(suspend_state_t state)
-{
- return state == PM_SUSPEND_MEM;
-}
-
-/**
- * suspend_prepare - Do prep work before entering low-power state.
- *
- * This is common code that is called for each state that we're entering.
- * Run suspend notifiers, allocate a console and stop all processes.
- */
-static int suspend_prepare(void)
-{
- int error;
- unsigned int free_pages;
-
- if (!suspend_ops || !suspend_ops->enter)
- return -EPERM;
-
- error = pm_notifier_call_chain(PM_SUSPEND_PREPARE);
- if (error)
- goto Finish;
-
- pm_prepare_console();