Hi there,
Still have problems with lm78 on 2.6.14-rc1.
Given these added debug statements:
--- linux-2.6.14-rc1/drivers/hwmon/lm78.c-orig 2005-09-14 10:52:47.000000000 +1000
+++ linux-2.6.14-rc1/drivers/hwmon/lm78.c 2005-09-14 13:48:02.000000000 +1000
@@ -494,6 +494,7 @@
goto ERROR0;
}
+ dev_dbg(&adapter->dev, "got device\n");
/* Reserve the ISA region */
if (is_isa)
if (!request_region(address, LM78_EXTENT,
@@ -502,9 +503,11 @@
goto ERROR0;
}
+ dev_dbg(&adapter->dev, "reserves ISA region\n");
/* Probe whether there is anything available on this address. Already
done for SMBus clients */
if (kind < 0) {
+ dev_dbg(&adapter->dev, "kind < 0\n");
if (is_isa) {
#define REALLY_SLOW_IO
@@ -515,16 +518,19 @@
err = -ENODEV;
goto ERROR1;
}
+ dev_dbg(&adapter->dev, "done +2\n");
if (inb_p(address + 3) != i) {
err = -ENODEV;
goto ERROR1;
}
+ dev_dbg(&adapter->dev, "done +3\n"); <<== does not get here
if (inb_p(address + 7) != i) {
err = -ENODEV;
goto ERROR1;
}
#undef REALLY_SLOW_IO
+ dev_dbg(&adapter->dev, "after REALLY_SLOW_IO\n");
/* Let's just hope nothing breaks here */
i = inb_p(address + 5) & 0x7f;
outb_p(~i & 0x7f, address + 5);
@@ -533,6 +539,7 @@
err = -ENODEV;
goto ERROR1;
}
+ dev_dbg(&adapter->dev, "after hope nothing breaks here\n");
}
}
I get:
# modprobe lm78
[/var/log/debug]
Sep 14 13:51:01 silly kernel: i2c_adapter i2c-9191: Driver lm78-isa registered
Sep 14 13:51:01 silly kernel: i2c_adapter i2c-9191: got device
Sep 14 13:51:01 silly kernel: i2c_adapter i2c-9191: reserves ISA region
Sep 14 13:51:01 silly kernel: i2c_adapter i2c-9191: kind < 0
Sep 14 13:51:01 silly kernel: i2c_adapter i2c-9191: done +2
If I do:
# rmmod lm78
# modprobe lm78 force_lm78=9191,0x290
I get the same now:
[/var/log/debug]
Sep 14 13:53:54 silly kernel: i2c_adapter i2c-9191: Driver lm78-isa unregistered
Sep 14 13:53:58 silly kernel: i2c_adapter i2c-9191: Driver lm78-isa registered
Sep 14 13:53:58 silly kernel: i2c_adapter i2c-9191: got device
Sep 14 13:53:58 silly kernel: i2c_adapter i2c-9191: reserves ISA region
Sep 14 13:53:58 silly kernel: i2c_adapter i2c-9191: kind < 0
Sep 14 13:53:58 silly kernel: i2c_adapter i2c-9191: done +2
# lsmod
Module Size Used by
lm78 17396 0
hwmon_vid 1984 1 lm78
i2c_isa 4192 1 lm78
nfsd 92008 8
exportfs 4512 1 nfsd
tulip 41536 0
e100 32964 0
this is linux-2.6.14-rc1 on:
http://bugsplatter.mine.nu/test/boxen/silly/
I'm not sure where to go next? Ideas, cluebats please?
Yes, it works on 2.6.13.1 with Jean Delvare's force option:
login as: root
Authenticating with public key "grant at peetoo" from agent
Last login: Wed Sep 14 11:11:59 2005 from magpie.mire.mine.nu
Linux 2.6.13.1a.
The best cure for insomnia is to get a lot of sleep.
-- W. C. Fields
root at silly:~# sensors
No sensors found!
root at silly:~# modprobe lm78 force_lm78=9191,0x290
root at silly:~# sensors
lm78-isa-0290
Adapter: ISA adapter
VCore 1: +2.03 V (min = +2.18 V, max = +0.59 V) ALARM
VCore 2: +1.49 V (min = +1.30 V, max = +0.35 V) ALARM
+3.3V: +3.34 V (min = +1.44 V, max = +0.70 V) ALARM
+5V: +5.08 V (min = +5.62 V, max = +2.42 V) ALARM
+12V: +11.61 V (min = +4.07 V, max = +14.59 V)
-12V: -10.35 V (min = -0.00 V, max = -11.01 V) ALARM
-5V: -4.70 V (min = -4.79 V, max = -0.00 V)
fan1: 0 RPM (min = 15340 RPM, div = 2) ALARM
fan2: 0 RPM (min = 14062 RPM, div = 2) ALARM
fan3: 0 RPM (min = 67500 RPM, div = 2) ALARM
temp: +26.0?C (high = +64?C, hyst = +60?C)
vid: +3.50 V
alarms: Chassis intrusion detection ALARM
root at silly:~# lsmod
Module Size Used by
lm78 16504 0 (i2c_isa is compiled in)
i2c_sensor 2816 1 lm78
nfsd 92008 8
exportfs 4512 1 nfsd
i2c_piix4 7376 0
tulip 42496 0
e100 30656 0
Thanks,
Grant.
