cxgb3: treat firmware data as const

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 579bee4..8e8ebd7 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -686,8 +686,9 @@
 int t3_seeprom_wp(struct adapter *adapter, int enable);
 int t3_get_tp_version(struct adapter *adapter, u32 *vers);
 int t3_check_tpsram_version(struct adapter *adapter, int *must_load);
-int t3_check_tpsram(struct adapter *adapter, u8 *tp_ram, unsigned int size);
-int t3_set_proto_sram(struct adapter *adap, u8 *data);
+int t3_check_tpsram(struct adapter *adapter, const u8 *tp_ram,
+		    unsigned int size);
+int t3_set_proto_sram(struct adapter *adap, const u8 *data);
 int t3_read_flash(struct adapter *adapter, unsigned int addr,
 		  unsigned int nwords, u32 *data, int byte_oriented);
 int t3_load_fw(struct adapter *adapter, const u8 * fw_data, unsigned int size);