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hwmon: Let w83781d and lm78 load again

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Let the w83781d and lm78 hardware monitoring drivers load even when
no chip was detected at the ISA address. There can still be supported
chips connected to an I2C bus or SMBus.

This fixes bug #7293.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare 2006-10-13 16:56:28 +02:00 committed by Greg Kroah-Hartman
parent 14992c7eff
commit e693810ce8
3 changed files with 13 additions and 13 deletions
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10
drivers/hwmon/lm78.c
View file

@ -815,17 +815,17 @@ static int __init sm_lm78_init(void)
if (res)
return res;
res = i2c_isa_add_driver(&lm78_isa_driver);
if (res) {
i2c_del_driver(&lm78_driver);
return res;
}
/* Don't exit if this one fails, we still want the I2C variants
to work! */
if (i2c_isa_add_driver(&lm78_isa_driver))
isa_address = 0;
return 0;
}
static void __exit sm_lm78_exit(void)
{
if (isa_address)
i2c_isa_del_driver(&lm78_isa_driver);
i2c_del_driver(&lm78_driver);
}

10
drivers/hwmon/w83781d.c
View file

@ -1685,11 +1685,10 @@ sensors_w83781d_init(void)
if (res)
return res;
res = i2c_isa_add_driver(&w83781d_isa_driver);
if (res) {
i2c_del_driver(&w83781d_driver);
return res;
}
/* Don't exit if this one fails, we still want the I2C variants
to work! */
if (i2c_isa_add_driver(&w83781d_isa_driver))
isa_address = 0;
return 0;
}
@ -1697,6 +1696,7 @@ sensors_w83781d_init(void)
static void __exit
sensors_w83781d_exit(void)
{
if (isa_address)
i2c_isa_del_driver(&w83781d_isa_driver);
i2c_del_driver(&w83781d_driver);
}

2
drivers/i2c/busses/i2c-isa.c
View file

@ -91,7 +91,7 @@ int i2c_isa_add_driver(struct i2c_driver *driver)
/* Now look for clients */
res = driver->attach_adapter(&isa_adapter);
if (res) {
dev_err(&isa_adapter.dev,
dev_dbg(&isa_adapter.dev,
"Driver %s failed to attach adapter, unregistering\n",
driver->driver.name);
driver_unregister(&driver->driver);