static int admhc_root_hub_state_changes(struct admhcd *ahcd, int changed,
int any_connected)
{
- int poll_rh = 1;
-
- /* keep on polling until RHSC is enabled */
+ /* If INSM is enabled, don't poll */
if (admhc_readl(ahcd, &ahcd->regs->int_enable) & ADMHC_INTR_INSM)
- poll_rh = 0;
+ return 0;
- return poll_rh;
+ /* If no status changes are pending, enable status-change interrupts */
+ if (!changed) {
+ admhc_intr_enable(ahcd, ADMHC_INTR_INSM);
+ return 0;
+ }
+
+ return 1;
}
#endif /* CONFIG_PM */