i2c isa and 2.6.24

i2c isa and 2.6.24

[Andrej *]

Hello

I have ABIT bx6 v2 MB, sensor chip w83781d (isa bus).

I have these modules :
CONFIG_I2C=m
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=m
CONFIG_SENSORS_W83781D=m
CONFIG_SENSORS_LM90=m

which are modprobe-d without problem.

Emerged lm_sensors 2.10.4 (also tried lm sensors 3.0.1), but all I get
is temperature from nvidia card and NOT from MB.
Nvidia is also only hwmon device in sys/clas/... hwmon0.

Code:

lm99-i2c-2-4c
Adapter: NVIDIA i2c adapter
G/C Temp:    +37.0 C  (low  =  +0.0 C, high = +90.0 C)
                      (crit = +127.0 C, hyst = +117.0 C)
GPU Temp:    +49.6 C  (low  =  +5.0 C, high = +105.0 C)
                      (crit = +143.0 C, hyst = +133.0 C)


Sensors-detects shows right module for MB, but there ins't any
temperature readings.

Code:

Some chips are also accessible through the ISA I/O ports. We have to
write to arbitrary I/O ports to probe them. This is usually safe though.
Yes, you do have ISA I/O ports even if you do not have any ISA slots!
Do you want to scan the ISA I/O ports? (YES/no):
Probing for `National Semiconductor LM78' at 0x290...       No
Probing for `National Semiconductor LM78-J' at 0x290...     No
Probing for `National Semiconductor LM79' at 0x290...       No
Probing for `Winbond W83781D' at 0x290...                   No
Probing for `Winbond W83782D' at 0x290...                   Success!
    (confidence 8, driver `w83781d')
Probing for `Silicon Integrated Systems SIS5595'...         No
Probing for `VIA VT82C686 Integrated Sensors'...            No
Probing for `VIA VT8231 Integrated Sensors'...              No
Probing for `IPMI BMC KCS' at 0xca0...                      No
Probing for `IPMI BMC SMIC' at 0xca8...                     No


Before 2.6.24 I had also i2c_isa module, but there isn't any in latest
kernel, and I think that lack ot it is causing problem.

How can I get temperature, voltage and fan readings for MB with 2.6.24 kernel?

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Re: i2c isa and 2.6.24

[Andrej *]

> Before 2.6.24 I had also i2c_isa module, but there isn't any in latest
> kernel, and I think that lack ot it is causing problem.
>
> How can I get temperature, voltage and fan readings for MB with 2.6.24 kernel?
>

I found that that temps etc. are shown when using kernel 2.6.23-14
with exact same config.
So I'm asuming that something changed in w83781d module.

Only change in Changelog for 2.6.24 is this:
 hwmon: (w83781d) Add missing curly braces

    Missing curly braces cause an if statement to be evaluated when it
    shouldn't. It happens to be harmless, but that's still worth fixing.
    Thanks to Riku Voipio for reporting.

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Re: i2c isa and 2.6.24

[Jean Delvare]

Hi Andrej,

On Fri, 8 Feb 2008 23:46:54 +0100, Andrej * wrote:
> > Before 2.6.24 I had also i2c_isa module, but there isn't any in latest
> > kernel, and I think that lack ot it is causing problem.

i2c-isa was a glue module that is no longer needed.

> > How can I get temperature, voltage and fan readings for MB with 2.6.24 kernel?
> 
> I found that that temps etc. are shown when using kernel 2.6.23-14
> with exact same config.
> So I'm asuming that something changed in w83781d module.
> 
> Only change in Changelog for 2.6.24 is this:
>  hwmon: (w83781d) Add missing curly braces
> 
>     Missing curly braces cause an if statement to be evaluated when it
>     shouldn't. It happens to be harmless, but that's still worth fixing.
>     Thanks to Riku Voipio for reporting.

Your problem apparently has nothing to do with i2c, so why are you
posting to the i2c list? Please post to the lm-sensors list instead,
you are much more likely to get an answer there.

-- 
Jean Delvare

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