i2c-sibyte: Remove the bus scan module parameter
The implementation is unsafe, and anyway one can achieve the same from
userspace using i2c-dev + i2cdetect.
Also tag i2c_sibyte_add_bus __init.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 503a134..8fbbdb4 100644
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -36,14 +36,6 @@
/* ----- 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,
@@ -140,9 +132,8 @@
/*
* registering functions to load algorithms at runtime
*/
-int i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed)
+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... */
@@ -152,24 +143,6 @@
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);
}