linux-kernel - Device tree conversion of spi device vs. controller

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Date:	Sun, 08 Apr 2012 12:24:50 +0200
From:	Roland Stigge <stigge@...com.de>
To:	Grant Likely <grant.likely@...retlab.ca>
CC:	spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Device tree conversion of spi device vs. controller_data

Hi,

upon DT conversion of LPC32xx, I came across the at25 spi eeprom which
needs .controller_data in struct spi_board_info for slave registration
via spi_register_board_info() (non-DT-case).

In the DT case, we need to eliminate this explicit registering call.
Therefore, I need to somehow replace the .controller_data passing in the
DT case to pass this data to the spi core. But I can't find such a
mechanism (v3.4-rc2). Is there already a concept or API that I
overlooked (please just point me to it) or what can I do to solve this?
(Looks like a general issue for spi slave registration via DT).

Thanks in advance,

Roland
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