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gpiolib: request/free hooks
authorDavid Brownell <[email protected]>
Thu, 16 Oct 2008 05:03:16 +0000 (22:03 -0700)
committerLinus Torvalds <[email protected]>
Thu, 16 Oct 2008 18:21:40 +0000 (11:21 -0700)
commit35e8bb5175c1a6ff6253f1a2acb30bfe52a2f500
tree88a1e9695824f88efef3340fd53f8dbe576f5852tree | snapshot
parent93a22f8b95756c53e80308820892119c910d2739commit | diff
gpiolib: request/free hooks

Add a new internal mechanism to gpiolib to support low power
operations by letting gpio_chip instances see when their GPIOs
are in use.  When no GPIOs are active, chips may be able to
enter lower powered runtime states by disabling clocks and/or
power domains.

Signed-off-by: David Brownell <[email protected]>
Cc: "Magnus Damm" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Documentation/gpio.txt diff | blob | blame | history
drivers/gpio/gpiolib.c diff | blob | blame | history
include/asm-generic/gpio.h diff | blob | blame | history
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