* Tony Lindgren [off-list ref] [180910 20:10]:

+static void __maybe_unused
+omap4_gpio_disable_level_quirk(struct gpio_bank *bank)
+{
+	/* Restore level registers after idle */
+	writel_relaxed(bank->context.leveldetect0,
+		       bank->base + bank->regs->leveldetect0);
+	writel_relaxed(bank->context.leveldetect1,
+		       bank->base + bank->regs->leveldetect1);
+
+	/* Clear wake after idle */
+	writel_relaxed(0, bank->base + bank->regs->wkup_en);

	/* Reset saved wkup_en, it will be set for next idle again */
	bank->context.wake_en = 0;

+}

Clearing the saved wkup_en is needed above I noticed
testing again with gpio4 which has pdata->loses_context
set.

Otherwise runtime_resume will write to wkup_en enabling
it for runtime which will the next idle fail.

Regards,

Tony