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gpio: split gpiod board registration into machine header

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As per example from the regulator subsystem: put all defines and
functions related to registering board info for GPIO descriptors
into a separate <linux/gpio/machine.h> header.

Cc: Andrew Victor <linux@maxim.org.za>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij
2014-07-24 20:08:55 +02:00
parent c7caf86823
commit 0a6d315827
7 changed files with 63 additions and 57 deletions
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2
Documentation/gpio/board.txt
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@@ -60,7 +60,7 @@ Platform Data
Finally, GPIOs can be bound to devices and functions using platform data. Board
files that desire to do so need to include the following header:
#include <linux/gpio/driver.h>
#include <linux/gpio/machine.h>
GPIOs are mapped by the means of tables of lookups, containing instances of the
gpiod_lookup structure. Two macros are defined to help declaring such mappings: