Detect flash chips by QINFO probe

modulename: qinfo_probe.ko

configname: CONFIG_MTD_QINFO_PROBE

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>LPDDR flash memory drivers
└─>Detect flash chips by QINFO probe
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
Device Information for LPDDR chips is offered through the Overlay
Window QINFO interface, permits software to be used for entire
families of devices. This serves similar purpose of CFI on legacy
Flash products

source code: