Problem with SPI on S3C2412

Rusev arusev at dev.rtsoft.ru
Wed Nov 4 09:38:40 EST 2009


José Miguel Gonçalves wrote:
> Hi,
>
> I am trying to setup Linux 2.6.27 on an embedded board with a S3C2412
> SoC.
> After setting some architecture specific configuration on
> /arch/arm/mach-s3c2412/, I have finally booted my board with success.
> Now I am trying to access a temperature sensor that is connected to
> the SPI bus.
> For this I am thinking to use the spidev userspace API. I have
> compiled spidev and spi_s3c24xx as modules. I'm able to load spidev
> but, when I modprobe spi_s3c24xx, I'm getting the following error:
>
> modprobe: failed to load module spi_s3c24xx: No such device
>
> Any idea of what could be the problem?
Add debug printout to the spi_s3c24xx module init and probe  functions
and see what kind of device it tries to allocate.
As this is the driver of SPI controller itself you may be having
something not turned on in you kernel.


>
> Regards,
> José Miguel Gonçalves
>
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