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authorMichael Buesch <mb@bu3sch.de>2008-07-25 04:46:11 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 13:53:30 -0400
commit7444a72effa632fcd8edc566f880d96fe213c73b (patch)
tree89d3e70c22751a6b00091df2b4dce7202eb3b1f5 /arch/powerpc/Kconfig
parentff1d5c2f0268f4e32103536e2e65480b5b7b6530 (diff)
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/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index de6b49cd6be8..fe88418167c5 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -110,6 +110,7 @@ config PPC
110 default y 110 default y
111 select HAVE_DYNAMIC_FTRACE 111 select HAVE_DYNAMIC_FTRACE
112 select HAVE_FTRACE 112 select HAVE_FTRACE
113 select ARCH_WANT_OPTIONAL_GPIOLIB
113 select HAVE_IDE 114 select HAVE_IDE
114 select HAVE_IOREMAP_PROT 115 select HAVE_IOREMAP_PROT
115 select HAVE_EFFICIENT_UNALIGNED_ACCESS 116 select HAVE_EFFICIENT_UNALIGNED_ACCESS