Problem registering the Platform ADC driver

conn intel connintel at gmail.com
Tue May 24 07:41:48 EDT 2011


> > On Tue, May 24, 2011 at 1:42 PM, Joachim Holst <jocke at holstenhof.se>
> > wrote:
> >
> >>
> >> Thanks Jocke, for your reply. As you said in your example of
> > board-msm7x30.c file which uses platform_add_devices, my board file
> > board-icnova_adb4000.c uses platform_device_register for the registration
> > of
> > all peripherals initialized under function __init ek_board_init(void). I
> > found that platform_add_device or platform_register_device can be used
> for
> > device registration.
>
> You are quite correct. I previously failed to read your code as good as I
> should have :-( Sorry about that.
>
> >
> > Here is board-icnova_adb4000.c http://pastebin.com/dr0QzsyQ
> > <http://pastebin.com/dr0QzsyQ%20>Linux#390. The functions called under
> > ek_board_init are defined under
> >
> http://lxr.linux.no/#linux+v2.6.38/arch/arm/mach-at91/at91sam9g45_devices.c
> .
> > All of them uses platform_device_register. In my case also it should
> work.
> >
> > Still I am not sure why it is not working, any further thoughts or
> > suggestions?
>
> First, are you sure that platform_device_register actually succeeds?
>
> The times this has happened to me, it has always been a problem with the
> "name" between the platform device and the platform driver.
>
> To avoid those problems, I usually use a #define for the name. That way,
> I'm sure that a spelling problem (which can be _really_ hard to spot)  is
> not the problem. Also, I usually don't care about setting the .id and the
> .num_resources variables.
>
> Otherwise, as far as I can tell, your code should work.
>
> BRs,
> /Jocke!
>
> Thank you for your kind suggestion.. :-)
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