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

From: Bounine, Alexandre
Date: Mon Apr 29 2013 - 08:15:26 EST


On Fri, 26 Apr 2013 6:53 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> Subject: Re: [PATCH 1/3] rapidio: make enumeration/discovery
> configurable
>
> This Kconfig change makes my kbuild do Weird Things.
>
> make mrproper ; yes "" | make allmodconfig ; make 2>/tmp/x
... skip ...
> : 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 configuration.
> :
> : 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
>
>
> See the "Enumeration method [M/y/?] (NEW) aborted!"
>
> Note that this only happens when make's stderr is redirected.
>
> I've no idea what's going on here. This appears to fix things:
>
> --- 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.
>
> 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.
>
> 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).

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