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authorMichael Buesch <mb@bu3sch.de>2008-07-25 01:46:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:30 -0700
commit7444a72effa632fcd8edc566f880d96fe213c73b (patch)
tree89d3e70c22751a6b00091df2b4dce7202eb3b1f5 /arch/arm/Kconfig
parentff1d5c2f0268f4e32103536e2e65480b5b7b6530 (diff)
downloadop-kernel-dev-7444a72effa632fcd8edc566f880d96fe213c73b.zip
op-kernel-dev-7444a72effa632fcd8edc566f880d96fe213c73b.tar.gz
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>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6fb4f03..dabb015 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -268,7 +268,7 @@ config ARCH_EP93XX
select GENERIC_GPIO
select HAVE_CLK
select HAVE_CLK
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
help
This enables support for the Cirrus EP93xx series of CPUs.
@@ -447,7 +447,7 @@ config ARCH_PXA
select ARCH_MTD_XIP
select GENERIC_GPIO
select HAVE_CLK
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select TICK_ONESHOT
@@ -479,7 +479,7 @@ config ARCH_SA1100
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select TICK_ONESHOT
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
help
Support for StrongARM 11x0 based boards.
@@ -522,7 +522,7 @@ config ARCH_OMAP
bool "TI OMAP"
select GENERIC_GPIO
select HAVE_CLK
- select HAVE_GPIO_LIB
+ select ARCH_REQUIRE_GPIOLIB
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
help
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