diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index e5f5f48d69d2..369c97c3e0c0 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -991,6 +991,9 @@ set_autoidle:
 		sysc_write_sysconfig(ddata, reg);
 	}
 
+	/* Flush posted write */
+	sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);
+
 	if (ddata->module_enable_quirk)
 		ddata->module_enable_quirk(ddata);
 
@@ -1071,6 +1074,9 @@ set_sidle:
 		reg |= 1 << regbits->autoidle_shift;
 	sysc_write_sysconfig(ddata, reg);
 
+	/* Flush posted write */
+	sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]);
+
 	return 0;
 }