default or selected kernelversion does not have config value CONFIG_BLK_DEV_ATIIXP.
Result is shown for kernelversion 6.9.9

ATI IXP chipset IDE support

modulename: atiixp.ko

configname: CONFIG_BLK_DEV_ATIIXP

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>ATI IXP chipset IDE support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This driver adds explicit support for ATI IXP chipset.
This allows the kernel to change PIO, DMA and UDMA speeds
and to configure the chip to optimum performance.

Say Y here if you have an ATI IXP chipset IDE controller.

source code: