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

Generic PCI IDE Chipset Support

modulename: ide-pci-generic.ko

configname: CONFIG_BLK_DEV_GENERIC

Linux Kernel Configuration
└─>Device Drivers
└─>ATA/ATAPI/MFM/RLL support (DEPRECATED)
└─>Generic PCI IDE Chipset Support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option provides generic support for various PCI IDE Chipsets
which otherwise might not be supported.

source code:
drivers/ide/ide-pci-generic.c