GPIO31_UART3_RXD   17 arch/arm/mach-mmp/mfp-pxa910.h #define GPIO31_UART3_RXD	MFP_CFG(GPIO31, AF4)
GPIO31_UART3_RXD  340 arch/arm/mach-pxa/mfp-pxa320.h #define GPIO31_UART3_RXD	MFP_CFG_LPM(GPIO31, AF6, FLOAT)