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

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Message-ID: <20150428141205.GG10950@lukather>
Date:	Tue, 28 Apr 2015 16:12:05 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	"Eric D." <eric.dillmann@...il.com>
Cc:	linux-sunxi@...glegroups.com, hdegoede@...hat.com, corbet@....net,
	kernel@...tin.sperl.org, broonie@...nel.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [linux-sunxi] [PATCH 2/3] spidev: Add DT binding example.

On Tue, Apr 28, 2015 at 07:03:16AM -0700, Eric D. 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 ?

You're missing an SPI alias in the DT.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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