diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index f0bc0841cbc4..c088c6f4adcf 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -938,6 +938,9 @@ set_autoidle:
 		sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg);
 	}
 
+	/* Flush posted write */
+	sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);
+
 	if (ddata->module_enable_quirk)
 		ddata->module_enable_quirk(ddata);
 
@@ -1018,6 +1021,9 @@ set_sidle:
 		reg |= 1 << regbits->autoidle_shift;
 	sysc_write(ddata, ddata->offsets[SYSC_SYSCONFIG], reg);
 
+	/* Flush posted write */
+	sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);
+
 	return 0;
 }