1 files changed, 4 insertions, 33 deletions

diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index ec5ef518a09b..37ab3e1d25f5 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -84,29 +84,13 @@ static int
 isl1208_i2c_read_regs(struct i2c_client *client, u8 reg, u8 buf[],
                       unsigned len)
 {
-        u8 reg_addr[1] = { reg };
-        struct i2c_msg msgs[2] = {
-                {
-                        .addr = client->addr,
-                        .len = sizeof(reg_addr),
-                        .buf = reg_addr
-                },
-                {
-                        .addr = client->addr,
-                        .flags = I2C_M_RD,
-                        .len = len,
-                        .buf = buf
-                }
-        };
         int ret;
 
         WARN_ON(reg > ISL1219_REG_YRT);
         WARN_ON(reg + len > ISL1219_REG_YRT + 1);
 
-        ret = i2c_transfer(client->adapter, msgs, 2);
-        if (ret > 0)
-                ret = 0;
-        return ret;
+        ret = i2c_smbus_read_i2c_block_data(client, reg, len, buf);
+        return (ret < 0) ? ret : 0;
 }
 
 /* block write */
@@ -114,26 +98,13 @@ static int
 isl1208_i2c_set_regs(struct i2c_client *client, u8 reg, u8 const buf[],
                      unsigned len)
 {
-        u8 i2c_buf[ISL1208_REG_USR2 + 2];
-        struct i2c_msg msgs[1] = {
-                {
-                        .addr = client->addr,
-                        .len = len + 1,
-                        .buf = i2c_buf
-                }
-        };
         int ret;
 
         WARN_ON(reg > ISL1219_REG_YRT);
         WARN_ON(reg + len > ISL1219_REG_YRT + 1);
 
-        i2c_buf[0] = reg;
-        memcpy(&i2c_buf[1], &buf[0], len);
-
-        ret = i2c_transfer(client->adapter, msgs, 1);
-        if (ret > 0)
-                ret = 0;
-        return ret;
+        ret = i2c_smbus_write_i2c_block_data(client, reg, len, buf);
+        return (ret < 0) ? ret : 0;
 }
 
 /* simple check to see whether we have a isl1208 */