CONFIG_S3C_GPIO_PULL_UPDOWN is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_S3C_GPIO_PULL_UPDOWN (not configurable)
configname: CONFIG_S3C_GPIO_PULL_UPDOWN
Linux Kernel Configuration
└─>S3C_GPIO_PULL_UPDOWN
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
Internal configuration to enable the correct GPIO pull helper