These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libusb-1.0.30:1::gentoo  USE="-debug -doc -examples -static-libs -test -udev -verify-sig" 641 KiB
[ebuild  N     ] virtual/libusb-1-r2:1::gentoo  USE="-udev" 0 KiB
[ebuild  N     ] dev-embedded/libftdi-1.5-r8:1::gentoo  USE="python -cxx -doc -examples -test -tools" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 114 KiB
[ebuild  N     ] dev-embedded/libjaylink-0.3.1::gentoo  60 KiB
[ebuild  N     ] sys-apps/flashrom-1.6.0::gentoo  USE="asm106x atavia buspirate-spi ch341a-spi ch347-spi dediprog developerbox-spi digilent-spi dirtyjtag-spi drkaiser dummy ft2232-spi gfxnvidia internal internal-dmi it8212 jlink-spi linux-mtd linux-spi nic3com nicintel nicintel-eeprom nicintel-spi nicrealtek ogp-spi pickit2-spi pony-spi raiden-debug-spi rayer-spi satamv satasii serprog spidriver stlinkv3-spi usbblaster-spi -atahpt -atapromise -mediatek-i2c-spi -mstarddc-spi -nicnatsemi -parade-lspcon -realtek-mst-i2c-spi -test -tools" 5365 KiB

Total: 5 packages (5 new), Size of downloads: 6179 KiB