gpiolib: use descriptors internally

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Make sure gpiolib works internally with descriptors and (chip, offset)
pairs instead of using the global integer namespace. This prepares the
ground for the removal of the global gpio_desc[] array and the
introduction of the descriptor-based GPIO API.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
[grant.likely: Squash in fix for link error when CONFIG_SYSFS=n]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

hifive-unleashed-5.1

Alexandre Courbot 2013-02-03 01:29:29 +09:00 committed by Grant Likely

parent 83cabe33eb

commit 372e722ea4

1 changed files with 339 additions and 177 deletions

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drivers/gpio/gpiolib.c

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