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linux-next/drivers/i2c
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Michael Buesch 7444a72eff gpiolib: allow user-selection 
This patch adds functionality to the gpio-lib subsystem to make it
possible to enable the gpio-lib code even if the architecture code didn't
request to get it built in.

The archtitecture code does still need to implement the gpiolib accessor
functions in its asm/gpio.h file.  This patch adds the implementations for
x86 and PPC.

With these changes it is possible to run generic GPIO expansion cards on
every architecture that implements the trivial wrapper functions.  Support
for more architectures can easily be added.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Brownell <david-b@pacbell.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Samuel Ortiz <sameo@openedhand.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-25 10:53:30 -07:00
..
algos i2c-algo-pcf: Multi-master lost-arbitration improvement 2008-07-14 22:38:31 +02:00
busses i2c: Clear i2c_adapter.dev on adapter removal 2008-07-16 19:30:05 +02:00
chips gpiolib: allow user-selection 2008-07-25 10:53:30 -07:00
i2c-boardinfo.c i2c: Add i2c_board_info and i2c_new_device() 2007-05-01 23:26:31 +02:00
i2c-core.c Driver Core: add ability for class_for_each_device to start in middle of list 2008-07-21 21:54:47 -07:00
i2c-core.h i2c: Add i2c_board_info and i2c_new_device() 2007-05-01 23:26:31 +02:00
i2c-dev.c device create: i2c: convert device_create to device_create_drvdata 2008-07-21 21:54:42 -07:00
Kconfig [S390] Kconfig: menus with depends on HAS_IOMEM. 2007-05-10 15:46:07 +02:00
Makefile i2c: Add i2c_board_info and i2c_new_device() 2007-05-01 23:26:31 +02:00