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author | Linus Walleij <linus.walleij@linaro.org> | 2016-04-19 13:40:17 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2016-08-08 09:50:00 +0200 |
commit | 65053e1a7743e282c3dd08d3d435ac8b746f5359 (patch) | |
tree | 2842466eec6df6d413be4c79efce384b758e18d3 /Documentation/gpio/board.txt | |
parent | 10e59a648812e380e6bee93f1218c9199fe84de2 (diff) | |
download | linux-stable-65053e1a7743e282c3dd08d3d435ac8b746f5359.tar.gz linux-stable-65053e1a7743e282c3dd08d3d435ac8b746f5359.tar.bz2 linux-stable-65053e1a7743e282c3dd08d3d435ac8b746f5359.zip |
gpio: delete ARCH_[WANTS_OPTIONAL|REQUIRE]_GPIOLIB
The GPIOLIB is now selectable explicitly, and always available
for all archs. All archs that require GPIOLIB are switched to
select GPIOLIB directly. Delete the hairy ARCH_REQUIRE_GPIOLIB
and ARCH_WANTS_OPTIONAL_GPIOLIB Kconfig symbols.
Cc: Michael Büsch <m@bues.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/gpio/board.txt')
-rw-r--r-- | Documentation/gpio/board.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/gpio/board.txt b/Documentation/gpio/board.txt index 86d3fa95fd12..40884c4fe40c 100644 --- a/Documentation/gpio/board.txt +++ b/Documentation/gpio/board.txt @@ -8,9 +8,9 @@ gpio-legacy.txt (actually, there is no real mapping possible with the old interface; you just fetch an integer from somewhere and request the corresponding GPIO. -Platforms that make use of GPIOs must select ARCH_REQUIRE_GPIOLIB (if GPIO usage -is mandatory) or ARCH_WANT_OPTIONAL_GPIOLIB (if GPIO support can be omitted) in -their Kconfig. Then, how GPIOs are mapped depends on what the platform uses to +All platforms can enable the GPIO library, but if the platform strictly +requires GPIO functionality to be present, it needs to select GPIOLIB from its +Kconfig. Then, how GPIOs are mapped depends on what the platform uses to describe its hardware layout. Currently, mappings can be defined through device tree, ACPI, and platform data. |