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gpiolib: add drivers/gpio directory

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Add an empty drivers/gpio directory for gpiolib infrastructure and GPIO
expanders.  It will be populated by later patches.

This won't be the only place to hold such gpio_chip code.  Many external chips
add a few GPIOs as secondary functionality (such as MFD drivers) and platform
code frequently needs to closely integrate GPIO and IRQ support.

This is placed *early* in the build/link sequence since it's common for other
drivers to depend on GPIOs to do their work, so they must be initialized early
in the device_initcall() sequence.

Signed-off-by: David Brownell <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Cc: Eric Miao <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Haavard Skinnemoen <[email protected]>
Cc: Philipp Zabel <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ben Gardner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Brownell 2008-02-04 22:28:17 -08:00 • committed by Linus Torvalds
commit a9c5fff542
5 changed files with 41 additions and 0 deletions
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2
drivers/Kconfig
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@ -52,6 +52,8 @@ source "drivers/i2c/Kconfig"
source "drivers/spi/Kconfig"
source "drivers/gpio/Kconfig"
source "drivers/w1/Kconfig"
source "drivers/power/Kconfig"