| commit | 35e8bb5175c1a6ff6253f1a2acb30bfe52a2f500 | |
| author | David Brownell <dbrownell@users.sourceforge.net> | |
| Thu, 16 Oct 2008 05:03:16 +0000 (15 22:03 -0700) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Thu, 16 Oct 2008 18:21:40 +0000 (16 11:21 -0700) | ||
| tree | 88a1e9695824f88efef3340fd53f8dbe576f5852 | treesnapshot (tar.gz zip) |
| parent | 93a22f8b95756c53e80308820892119c910d2739 | commitdiff |
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 <dbrownell@users.sourceforge.net>
Cc: "Magnus Damm" <magnus.damm@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 <dbrownell@users.sourceforge.net>
Cc: "Magnus Damm" <magnus.damm@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| Documentation/gpio.txt | diffblobblamehistory | |
| drivers/gpio/gpiolib.c | diffblobblamehistory | |
| include/asm-generic/gpio.h | diffblobblamehistory |