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SubjectRe: [PATCH] counter: 104-quad-8: Add COMPILE_TEST depends
On Sun, Jan 09, 2022 at 10:22:51PM +0100, Uwe Kleine-König wrote:
> On Wed, Jan 05, 2022 at 06:41:37PM +0900, William Breathitt Gray wrote:
> > 104_QUAD_8 depends on X86, but compiles fine on ARCH=arm. This patch
> > adds support for COMPILE_TEST which is useful for compile testing code
> > changes to the driver and Counter subsystem.
> >
> > Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> > Cc: Syed Nayyar Waris <syednwaris@gmail.com>
> > Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> > ---
> > drivers/counter/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/counter/Kconfig b/drivers/counter/Kconfig
> > index 3dcdb681c4e4..5edd155f1911 100644
> > --- a/drivers/counter/Kconfig
> > +++ b/drivers/counter/Kconfig
> > @@ -14,7 +14,7 @@ if COUNTER
> >
> > config 104_QUAD_8
> > tristate "ACCES 104-QUAD-8 driver"
> > - depends on PC104 && X86
> > + depends on (PC104 && X86) || COMPILE_TEST
>
> The driver uses inb and friends. Without looking I wonder if there is
> something like HAVE_IO or similar this needs to depend on for that?
>
> Best regards
> Uwe
>
> --
> Pengutronix e.K. | Uwe Kleine-König |
> Industrial Linux Solutions | https://www.pengutronix.de/ |

If I'm not mistaken, on unsupported architectures include/linux/io.h
will pull in include/asm-generic/io.h which has default implementations
for inb and friends if they are not otherwise defined. It doesn't look
like these default implementations are guarded by a Kconfig setting so
we should be fine in this case.

William Breathitt Gray
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