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SubjectRe: [RFC 05/32] char: impi, tpm: depend on HAS_IOPORT
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On Tue, 2021-12-28 at 11:17 +0100, Geert Uytterhoeven wrote:
> Hi Niklas,
>
> Thanks for your patch!
>
> On Mon, Dec 27, 2021 at 5:51 PM Niklas Schnelle <schnelle@linux.ibm.com> wrote:
> > In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> > not being declared. We thus need to add this dependency and ifdef
> > sections of code using inb()/outb() as alternative access methods.
> >
> > Co-developed-by: Arnd Bergmann <arnd@kernel.org>
> > Signed-off-by: Arnd Bergmann <arnd@kernel.org>
> > Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
> > ---
> > drivers/char/Kconfig | 3 ++-
>
> Your oneline-summary doesn't cover this file.

Thanks, I guess then I should go with "char: depend on HAS_IOPORT"

>
> > drivers/char/ipmi/Makefile | 11 ++++-------
> > drivers/char/ipmi/ipmi_si_intf.c | 3 ++-
> > drivers/char/ipmi/ipmi_si_pci.c | 3 +++
> > drivers/char/tpm/Kconfig | 1 +
> > drivers/char/tpm/tpm_infineon.c | 14 ++++++++++----
> > drivers/char/tpm/tpm_tis_core.c | 19 ++++++++-----------
> > 7 files changed, 30 insertions(+), 24 deletions(-)
> >
> > diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
> > index 740811893c57..3d046e364e53 100644
> > --- a/drivers/char/Kconfig
> > +++ b/drivers/char/Kconfig
> > @@ -33,6 +33,7 @@ config TTY_PRINTK_LEVEL
> > config PRINTER
> > tristate "Parallel printer support"
> > depends on PARPORT
> > + depends on HAS_IOPORT
>
> Why? drivers/char/lp.c doesn't use I/O accessors, and should work with
> all parport drivers.

You're right that should work.

>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds

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