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From:   Ulf Magnusson <ulfalizer@gmail.com>
Date:   Mon, 5 Feb 2018 02:46:28 +0100
Message-ID: <CAFkk2KQVCxSiQf8D1Dcp0SKcKuu7wn3m6P0+DKoyjNEaFb=F=g@mail.gmail.com>
Subject: Re: [PATCH 12/20] ARM: debug: Remove ARCH_MSM dep. from UNCOMPRESS_INCLUDE
To:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Tony Lindgren <tony@atomide.com>
Cc:     Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        tfiga@chromium.org, paul.burton@mips.com,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>,
        Linus Walleij <linus.walleij@linaro.org>, vgupta@synopsys.com,
        mgorman@techsingularity.net, hch@lst.de, mina86@mina86.com,
        robh@kernel.org, sboyd@codeaurora.org, paulus@ozlabs.org,
        will.deacon@arm.com, Nicholas Piggin <npiggin@gmail.com>,
        Masahiro Yamada <yamada.masahiro@socionext.com>,
        Ulf Magnusson <ulfalizer@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        linux-arm-kernel@lists.infradead.org
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On Mon, Feb 5, 2018 at 2:21 AM, Ulf Magnusson <ulfalizer@gmail.com> wrote:
> The ARCH_MSM symbol was removed in commit c0c89fafa289 ("ARM: Remove
> mach-msm and associated ARM architecture code"), but a default in
> UNCOMPRESS_INCLUDE still depends on it.
>
> Remove the ARCH_MSM dependency from the default in UNCOMPRESS_INCLUDE.
>
> Discovered with the
> https://github.com/ulfalizer/Kconfiglib/blob/master/examples/list_undefined.py
> script.
>
> Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
> ---
>  arch/arm/Kconfig.debug | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
> index 78a647080ebc..20c601a045d2 100644
> --- a/arch/arm/Kconfig.debug
> +++ b/arch/arm/Kconfig.debug
> @@ -1825,7 +1825,7 @@ config DEBUG_UNCOMPRESS
>
>  config UNCOMPRESS_INCLUDE
>         string
> -       default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
> +       default "debug/uncompress.h" if ARCH_MULTIPLATFORM || \
>                                         PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
>         default "mach/uncompress.h"
>
> --
> 2.14.1
>

These globally undefined symbols (with no historical definitions that
I could find) are also referenced in this file:

DEBUG_OMAP4UART2
DEBUG_OMAP4UART1
DEBUG_OMAP5UART1
DEBUG_OMAP5UART2
DEBUG_OMAP3UART2
DEBUG_OMAP3UART1

Cheers,
Ulf