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| author | Jean Delvare <khali@linux-fr.org> | 2008-01-27 18:14:50 +0100 |
|---|---|---|
| committer | Jean Delvare <khali@hyperion.delvare> | 2008-01-27 18:14:50 +0100 |
| commit | 5271071b20dee56c01b6b9d8e275611403d3d383 (patch) | |
| tree | f445ca52095c35db69c8d0c8f8a2c536c3bed162 /drivers/i2c/busses | |
| parent | 7bca0871ca332ad5373a0fd26886e3cfbafa822c (diff) | |
| download | linux-5271071b20dee56c01b6b9d8e275611403d3d383.tar.gz linux-5271071b20dee56c01b6b9d8e275611403d3d383.tar.bz2 linux-5271071b20dee56c01b6b9d8e275611403d3d383.zip | |
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>
Diffstat (limited to 'drivers/i2c/busses')
| -rw-r--r-- | drivers/i2c/busses/i2c-sibyte.c | 29 |
1 files changed, 1 insertions, 28 deletions
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c index 503a134ec803..8fbbdb4c2f35 100644 --- 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, @@ -140,9 +132,8 @@ 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) +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 @@ int i2c_sibyte_add_bus(struct i2c_adapter *i2c_adap, int speed) 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); } |