1 files changed, 19 insertions, 14 deletions

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 764c5b5d914..eb9bd203e49 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -1178,17 +1178,15 @@ static int twl_remove(struct i2c_client *client)
         return 0;
 }
 
-/* NOTE:  this driver only handles a single twl4030/tps659x0 chip */
+/* NOTE: This driver only handles a single twl4030/tps659x0 chip */
 static int __devinit
 twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
-        int                             irq_base;
-        int                             status;
-        unsigned                        i;
         struct twl4030_platform_data    *pdata = client->dev.platform_data;
         struct device_node              *node = client->dev.of_node;
-        u8 temp;
-        int ret = 0;
+        int                             irq_base = 0;
+        int                             status;
+        unsigned                        i;
 
         if (node && !pdata) {
                 /*
@@ -1218,12 +1216,12 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
         }
 
         for (i = 0; i < TWL_NUM_SLAVES; i++) {
-                struct twl_client       *twl = &twl_modules[i];
+                struct twl_client *twl = &twl_modules[i];
 
                 twl->address = client->addr + i;
-                if (i == 0)
+                if (i == 0) {
                         twl->client = client;
-                else {
+                } else {
                         twl->client = i2c_new_dummy(client->adapter,
                                         twl->address);
                         if (!twl->client) {
@@ -1235,7 +1233,9 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
                 }
                 mutex_init(&twl->xfer_lock);
         }
+
         inuse = true;
+
         if ((id->driver_data) & TWL6030_CLASS) {
                 twl_id = TWL6030_CLASS_ID;
                 twl_map = &twl6030_map[0];
@@ -1249,8 +1249,8 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
         /* read TWL IDCODE Register */
         if (twl_id == TWL4030_CLASS_ID) {
-                ret = twl_read_idcode_register();
-                WARN(ret < 0, "Error: reading twl_idcode register value\n");
+                status = twl_read_idcode_register();
+                WARN(status < 0, "Error: reading twl_idcode register value\n");
         }
 
         /* load power event scripts */
@@ -1272,18 +1272,22 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
                 }
         }
 
-        /* Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface.
+        /*
+         * Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface.
          * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0,
          * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0.
          */
-
         if (twl_class_is_4030()) {
+                u8 temp;
+
                 twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1);
                 temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \
-                I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU);
+                        I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU);
                 twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1);
         }
 
+        status = -ENODEV;
+
         if (node)
                 status = of_platform_populate(node, NULL, NULL, &client->dev);
         if (status)
@@ -1292,6 +1296,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 fail:
         if (status < 0)
                 twl_remove(client);
+
         return status;
 }