kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_ATH6KL_VIRTUAL_SCATTER_GATHER.
Result is shown for kernelversion 3.1.9

Virtual Scatter-Gather support

configname: CONFIG_ATH6KL_VIRTUAL_SCATTER_GATHER

Linux Kernel Configuration
└─> Device Drivers
└─> Staging drivers
└─> Virtual Scatter-Gather support

Enables virtual scatter gather support for the hardware that does not support it natively.