# RE: \[PATCH 1/3\] rapidio: make enumeration/discovery configurable

- From: Bounine, Alexandre \<hidden\>
- Date: 2013-04-29 12:15:22 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2013/04/4041171
- Thread: https://ratatoskr.run/linuxppc-dev/2013/04/4039367/t.md

```text
On Fri, 26 Apr 2013 6:53 PM Andrew Morton [ref] wrote=
:
> Subject: Re: [PATCH 1/3] rapidio: make enumeration/discovery
> configurable
>=20
> This Kconfig change makes my kbuild do Weird Things.
>=20
> make mrproper ; yes "" | make allmodconfig ; make 2>/tmp/x
... skip ...=20
> :   DMA Engine support for RapidIO (RAPIDIO_DMA_ENGINE) [Y/n/?] y
> :   RapidIO subsystem debug messages (RAPIDIO_DEBUG) [Y/n/?] y
> :   Enumeration method [M/y/?] (NEW) aborted!
> :
> : Console input/output is redirected. Run 'make oldconfig' to update conf=
iguration.
> :
> :   SYSHDR  arch/x86/syscalls/../include/generated/uapi/asm/unistd_32.h
> :   SYSHDR  arch/x86/syscalls/../include/generated/uapi/asm/unistd_64.h
> :   SYSHDR
> arch/x86/syscalls/../include/generated/uapi/asm/unistd_x32.h
>=20
>=20
> See the "Enumeration method [M/y/?] (NEW) aborted!"
>=20
> Note that this only happens when make's stderr is redirected.
>=20
> I've no idea what's going on here.  This appears to fix things:
>=20
> --- a/drivers/rapidio/Kconfig~rapidio-make-enumeration-discovery-
> configurable-fix
> +++ a/drivers/rapidio/Kconfig
> @@ -59,7 +59,7 @@ choice
>  	  If unsure, select Basic built-in.
>=20
>  config RAPIDIO_ENUM_BASIC
> -	tristate "Basic"
> +	bool "Basic"
>  	help
>  	  This option includes basic RapidIO fabric enumeration and
> discovery
>  	  mechanism similar to one described in RapidIO specification
> Annex 1.
>=20
> but doesn't appear to be what you intended.

Goal is to build enumerator as a module or built-in.
I will retest v2 of patches for this issue.
There are some changes to Kconfig (removed AUTO_ENUM option).
```