GPIO21_GPIO        34 arch/arm/mach-mmp/mfp-mmp2.h #define GPIO21_GPIO	MFP_CFG(GPIO21, AF0)
GPIO21_GPIO        43 arch/arm/mach-mmp/mfp-pxa168.h #define GPIO21_GPIO		MFP_CFG(GPIO21, AF5)
GPIO21_GPIO        75 arch/arm/mach-pxa/mfp-pxa2xx.h #define GPIO21_GPIO	MFP_CFG_IN(GPIO21, AF0)
GPIO21_GPIO        33 arch/arm/mach-pxa/mfp-pxa3xx.h #define GPIO21_GPIO		MFP_CFG(GPIO21, AF0)