On Mon, 2022-05-09 at 12:07 +0200, Takashi Iwai wrote: > On Mon, 09 May 2022 11:20:33 +0200, > Arnd Bergmann wrote: > > On Mon, May 9, 2022 at 10:53 AM Takashi Iwai <tiwai@xxxxxxx> wrote: > > > On Fri, 29 Apr 2022 15:50:54 +0200, Niklas Schnelle wrote: > > > > config SND_OPL3_LIB > > > > tristate > > > > + depends on HAS_IOPPORT > > > > select SND_TIMER > > > > select SND_HWDEP > > > > select SND_SEQ_DEVICE if SND_SEQUENCER != n > > > > > > Both of those are the items to be reverse-selected, so cannot fulfill > > > the dependency with depends-on. That is, the items that select those > > > should have the dependency on HAS_IOPORT instead. > > > > > > That is, a change like below: > > > > > > > --- a/sound/isa/Kconfig > > > > +++ b/sound/isa/Kconfig > > > > @@ -31,7 +31,7 @@ if SND_ISA > > > > > > > > config SND_ADLIB > > > > tristate "AdLib FM card" > > > > - select SND_OPL3_LIB > > > > + depends on SND_OPL3_LIB > > > > > > ... won't work. CONFIG_SND_OPL3_LIB is not enabled by itself but only > > > to be selected. > > > > Right, I missed that in my review. Not sure if this was a mistake in > > my original patch or if it started in a later version. I added this part recently I think even after your review so the fault is entirely mine. > > > > I think for the ISA drivers, I would still add 'depends on HAS_IOPORT' > > to both CONFIG_SND_ISA and CONFIG_SND_OPL3_LIB if only to > > make it easier to understand, even though CONFIG_ISA requires > > HAS_IOPORT already, and CONFIG_SND_OPL3_LIB cannot be > > selected by itself. > > Yes, that makes sense. Good, incorporating this now and it looks like this works. > > > For the PCI drivers, I think we need to add the same dependency > > on anything that either selects SND_OPL3_LIB or calls inb()/outb() > > directly. > > Agreed. Same as above and thanks for spotting my mistake.