diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 0fd609e26615a..7ea4c7f13d286 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -65,9 +65,9 @@ struct at91_pm_sfrbu_regs {
  * @config_shdwc_ws: wakeup sources configuration function for SHDWC
  * @config_pmc_ws: wakeup srouces configuration function for PMC
  * @ws_ids: wakup sources of_device_id array
+ * @bu: backup unit mapped data (for backup mode)
  * @data: PM data to be used on last phase of suspend
  * @sfrbu_regs: SFRBU registers mapping
- * @bu: backup unit mapped data (for backup mode)
  * @memcs: memory chip select
  */
 struct at91_soc_pm {