DF_IO4_ND_IO4 48 arch/arm/mach-mmp/mfp-pxa910.h #define DF_IO4_ND_IO4 MFP_CFG(DF_IO4, AF0) DF_IO4_ND_IO4 400 arch/arm/mach-pxa/mfp-pxa930.h #define DF_IO4_ND_IO4 MFP_CFG_LPM(DF_IO4, AF1, PULL_LOW)