Merge branch 'tracing/ftrace' into auto-ftrace-next

[pandora-kernel.git] / drivers / i2c / busses / i2c-sibyte.c

diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 0ca599d..114634d 100644 (file)
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -36,14 +36,6 @@ struct i2c_algo_sibyte_data {
 /* ----- global defines ----------------------------------------------- */
 #define SMB_CSR(a,r) ((long)(a->reg_base + r))
 
-/* ----- global variables --------------------------------------------- */
-
-/* module parameters:
- */
-static int bit_scan;   /* have a look at what's hanging 'round */
-module_param(bit_scan, int, 0);
-MODULE_PARM_DESC(bit_scan, "Scan for active chips on the bus");
-
 
 static int smbus_xfer(struct i2c_adapter *i2c_adap, u16 addr,
                      unsigned short flags, char read_write,
@@ -140,36 +132,17 @@ static const struct i2c_algorithm i2c_sibyte_algo = {
 /*
  * registering functions to load algorithms at runtime
  */
-int i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
+static int __init i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
 {
-       int i;
        struct i2c_algo_sibyte_data *adap = i2c_adap->algo_data;
 
-       /* register new adapter to i2c module... */
+       /* Register new adapter to i2c module... */
        i2c_adap->algo = &i2c_sibyte_algo;
 
-       /* Set the frequency to 100 kHz */
+       /* Set the requested frequency. */
        csr_out32(speed, SMB_CSR(adap,R_SMB_FREQ));
        csr_out32(0, SMB_CSR(adap,R_SMB_CONTROL));
 
-       /* scan bus */
-       if (bit_scan) {
-               union i2c_smbus_data data;
-               int rc;
-               printk(KERN_INFO " i2c-algo-sibyte.o: scanning bus %s.\n",
-                      i2c_adap->name);
-               for (i = 0x00; i < 0x7f; i++) {
-                       /* XXXKW is this a realistic probe? */
-                       rc = smbus_xfer(i2c_adap, i, 0, I2C_SMBUS_READ, 0,
-                                       I2C_SMBUS_BYTE_DATA, &data);
-                       if (!rc) {
-                               printk("(%02x)",i);
-                       } else
-                               printk(".");
-               }
-               printk("\n");
-       }
-
        return i2c_add_adapter(i2c_adap);
 }
 
@@ -200,11 +173,14 @@ static struct i2c_adapter sibyte_board_adapter[2] = {
 
 static int __init i2c_sibyte_init(void)
 {
-       printk("i2c-swarm.o: i2c SMBus adapter module for SiByte board\n");
+       pr_info("i2c-sibyte: i2c SMBus adapter module for SiByte board\n");
        if (i2c_sibyte_add_bus(&sibyte_board_adapter[0], K_SMB_FREQ_100KHZ) < 0)
                return -ENODEV;
-       if (i2c_sibyte_add_bus(&sibyte_board_adapter[1], K_SMB_FREQ_400KHZ) < 0)
+       if (i2c_sibyte_add_bus(&sibyte_board_adapter[1],
+                              K_SMB_FREQ_400KHZ) < 0) {
+               i2c_del_adapter(&sibyte_board_adapter[0]);
                return -ENODEV;
+       }
        return 0;
 }