1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index 21c6dd69193c..b3b830ccf209 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -41,9 +41,11 @@
 #include <linux/i2c.h>
 
 /* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
-                                        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
-                                        I2C_CLIENT_END };
+static const unsigned short normal_i2c[] = {
+        0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+        I2C_CLIENT_END
+};
 
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_2(pcf8574, pcf8574a);