anchor.diff:    ${optionalString (versionAtLeast version "4.20") ''
       PCI_P2PDMA y
     ''}
  +  RAPIDIO_DMA_ENGINE y
   
     # Support drivers that need external firmware.
     STANDALONE n
  
positive.code:   ${optionalString (versionAtLeast version "4.17") ''
      MTD_ONENAND_OTP y
      MTD_ONENAND_2X_PROGRAM y
    ''}
    DVB_DYNAMIC_MINORS y # we use udev
    EFI_STUB y
  
negative.code:   CRYPTO_LZ4 y
    CRYPTO_LZ4HC y
    CRYPTO_LZO y
    ${optionalString (versionAtLeast version "5.0") ''
      CRYPTO_STATS y
    ''}
    LZ4_COMPRESS y
    LZ4_DECOMPRESS y
    LZ4HC_COMPRESS y
  