blackfin: GPIO: Implement more GPIO APIs
authorSonic Zhang <sonic.zhang@analog.com>
Fri, 27 Apr 2012 10:25:16 +0000 (18:25 +0800)
committerBob Liu <lliubbo@gmail.com>
Mon, 21 May 2012 06:54:34 +0000 (14:54 +0800)
Implement more GPIO APIs in case GPIOLIB is disabled.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

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