Re: [linux-sunxi] [PATCH 2/3] spidev: Add DT binding example.

From: Michal Suchanek
Date: Tue Apr 28 2015 - 10:12:08 EST


On 28 April 2015 at 16:03, Eric D. <eric.dillmann@xxxxxxxxx> wrote:
> Hi,
>
> I give Maxime's patch a try and got 4 spidev devices :
> /dev/spidev32766.[0-3]
>
> root@bpi:~# ls -lh /dev/spidev*
> crw------- 1 root root 153, 0 Apr 28 15:52 /dev/spidev32766.0
> crw------- 1 root root 153, 1 Apr 28 15:52 /dev/spidev32766.1
> crw------- 1 root root 153, 2 Apr 28 15:52 /dev/spidev32766.2
> crw------- 1 root root 153, 3 Apr 28 15:52 /dev/spidev32766.3
>
> Shouldn't they be numbered from like spidev0.[0-3].
> Is this an udev problem ? any clues ?

I don't know where the 32766 comes from but it's normal.

It seems to be the same number every time for the same port.

If you really wanted you could probably rename the device nodes with udev.

Or with only one spi bus enabled /dev/spidev*.0 should work too.

Thanks

Michal
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