I reported a bug with this patch to 5.11.9-rc1 but it also appears here in 5.10.26-rc1...
Download the config file from Slackware x86_64 current:
https://mirrors.kernel.org/slackware/slackware64-current/source/k/kernel-con...
An new warning message appears during configuration:
$make oldconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/expr.o HOSTCC scripts/kconfig/confdata.o LEX scripts/kconfig/lexer.lex.c YACC scripts/kconfig/parser.tab.[ch] HOSTCC scripts/kconfig/preprocess.o HOSTCC scripts/kconfig/symbol.o HOSTCC scripts/kconfig/util.o HOSTCC scripts/kconfig/lexer.lex.o HOSTCC scripts/kconfig/parser.tab.o HOSTLD scripts/kconfig/conf
WARNING: unmet direct dependencies detected for ADI_AXI_ADC Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n] Selected by [m]: - AD9467 [=m] && IIO [=m] && SPI [=y]
WARNING: unmet direct dependencies detected for ADI_AXI_ADC Depends on [n]: IIO [=m] && HAS_IOMEM [=y] && OF [=n] Selected by [m]: - AD9467 [=m] && IIO [=m] && SPI [=y] # # configuration written to .config #