diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index c716d4177e59..2b9bdc8b1a32 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -836,4 +836,6 @@ void rockchip_clk_disable_unused(void)
 	}
 }
 EXPORT_SYMBOL_GPL(rockchip_clk_disable_unused);
+
+MODULE_LICENSE("GPL");
 #endif /* MODULE */
diff --git a/drivers/firmware/rockchip_sip.c b/drivers/firmware/rockchip_sip.c
index 8a2e82c73fde..3cebfa46befe 100644
--- a/drivers/firmware/rockchip_sip.c
+++ b/drivers/firmware/rockchip_sip.c
@@ -211,28 +211,29 @@ struct dram_addrmap_info *sip_smc_get_dram_map(void)
 {
 	struct arm_smccc_res res;
 	static struct dram_addrmap_info *map;
+	struct dram_addrmap_info *m;
 
 	if (map)
-		return map;
+		return map->bank_bit_first ? map : NULL;
 
 	/* Request share memory size 4KB */
 	res = sip_smc_request_share_mem(1, SHARE_PAGE_TYPE_DDR_ADDRMAP);
 	if (res.a0 != 0) {
-		pr_err("no ATF memory for init\n");
+		pr_err("%s: request share memory error!\n", __func__);
 		return NULL;
 	}
-
-	map = (struct dram_addrmap_info *)res.a1;
+	m = (struct dram_addrmap_info *)res.a1;
+	memset(m, 0x0, sizeof(*m));
 
 	res = sip_smc_dram(SHARE_PAGE_TYPE_DDR_ADDRMAP, 0,
 			   ROCKCHIP_SIP_CONFIG_DRAM_ADDRMAP_GET);
 	if (res.a0) {
-		pr_err("rockchip_sip_config_dram_init error:%lx\n", res.a0);
-		map = NULL;
+		pr_err("rockchip_sip_config_dram_addrmap_get error:%lx\n", res.a0);
 		return NULL;
 	}
+	map = m;
 
-	return map;
+	return map->bank_bit_first ? map : NULL;
 }
 EXPORT_SYMBOL_GPL(sip_smc_get_dram_map);