From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lars-Peter Clausen <lars@metafoo.de>
Subject: Re: [PATCH 1/3] spi/xilinx: Use automatic bus number on device tree
Date: Wed, 21 Jan 2015 17:02:41 +0100
Message-ID: <54BFCDA1.4060205@metafoo.de>
References: <1421855590-9210-1-git-send-email-ricardo.ribalda@gmail.com> <1421855590-9210-2-git-send-email-ricardo.ribalda@gmail.com>
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To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Michal Simek <michal.simek@xilinx.com>,
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	<soren.brinkmann@xilinx.com>, linux-spi@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
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On 01/21/2015 04:53 PM, Ricardo Ribalda Delgado wrote:
> If there is more than one spi device on a device tree, the second one
> will fail to probe due to a duplicated bus_num.
 > [...]

This should already be fixed. See commit 4b153a2137c5 ("spi: xilinx: Use 
pdev->id instead of pdev->dev.id for the SPI bus number")[1]. If the device 
was registered using devicetree pdev->id is -1, so dynamic numbers will be used.

- Lars

[1] 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/spi/spi-xilinx.c?id=4b153a2137c5d2914794c8944d78c731c1b0ae9d