waterDataPreprocessing connectTheSignalSlot.c 袁明明 commit at 2021-03-30

waterDataPreprocessing/monitoringDataProcessing/connectTheSignalSlot.c

@@ -586,3 +586,21 @@ void omap3630_ctrl_disable_rta(void)
  *
  * XXX This function is missing a timeout.  What should it be?
  */
+int omap3_ctrl_save_padconf(void)
+{
+	u32 cpo;
+
+	/* Save the padconf registers */
+	cpo = omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_OFF);
+	cpo |= START_PADCONF_SAVE;
+	omap_ctrl_writel(cpo, OMAP343X_CONTROL_PADCONF_OFF);
+
+	/* wait for the save to complete */
+	while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS)
+		 & PADCONF_SAVE_DONE))
+		udelay(1);
+
+	return 0;
+}
+
+#endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */