Re: New I2C and machine probing method

[Jörg Sommer <joerg@alea.gnuu.de>]

Hello Matthias,

Matthias Grimm <matthiasgrimm@users.sourceforge.net> wrote:
>
> Hi,
> I want to use some OF and kernel 2.6 features to improve device probing
> in pbbuttonsd. Unfortunately I have only an ancient PowerBook so I need
> your help to test the new routines on as many different machines as
> possible.
>
> I attached the source code of a short program. You could compile it as
> follows:
>  $> gcc -o of_probing of_probing.c

#v+
% gcc-4.2 -O2 -Wall -Wformat=2 -Wunused -Wundef -Wextra of_prob.c -o of_prob 
of_prob.c: In function ?probeLMU?:
of_prob.c:20: warning: implicit declaration of function ?read?
of_prob.c:23: warning: implicit declaration of function ?close?
of_prob.c: In function ?addPath?:
of_prob.c:36: warning: suggest parentheses around assignment used as truth value
of_prob.c: In function ?getLMUAddress?:
of_prob.c:67: warning: ordered comparison of pointer with integer zero
of_prob.c: In function ?findI2CDevice?:
of_prob.c:86: warning: suggest parentheses around assignment used as truth value
of_prob.c:89: warning: ordered comparison of pointer with integer zero
of_prob.c:91: warning: comparison between signed and unsigned
of_prob.c: In function ?getMachineID?:
of_prob.c:121: warning: implicit declaration of function ?atoi?
of_prob.c: In function ?main?:
of_prob.c:133: warning: unused parameter ?argc?
of_prob.c:133: warning: unused parameter ?argv?
of_prob.c: In function ?findI2CDevice?:
of_prob.c:106: warning: control reaches end of non-void function

% ./of_prob 

Probing machine...
  Machine: ID = 63
  OF: '/proc/device-tree/uni-n@f8000000/i2c@f8001000/reg'
    Path incomplete! One or more elements not found.
  LMU: No LMU found!
#v-

Jörg.
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