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From:   "Zhou, Jie2X" <jie2x.zhou@intel.com>
To:     Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC:     "Li, Philip" <philip.li@intel.com>
Subject: Re: scripts/config bug: can not enable CONFIG_FONT_MINI_4x6
Thread-Topic: scripts/config bug: can not enable CONFIG_FONT_MINI_4x6
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Date:   Wed, 16 Nov 2022 08:40:07 +0000
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>So perhaps use -k when using that script to enable one of the rare
>config options that contains a lower-case letter.
Thanks, it works.

best regards,

________________________________________
From: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Sent: Wednesday, November 16, 2022 3:56 PM
To: Zhou, Jie2X; linux-kernel@vger.kernel.org
Cc: Li, Philip
Subject: Re: scripts/config bug: can not enable CONFIG_FONT_MINI_4x6

On 16/11/2022 08.29, Zhou, Jie2X wrote:
> hi,
>
> This is a kernel bug.
> ./scripts/config convert "CONFIG_FONT_MINI_4x6" to "CONFIG_FONT_MINI_4X6=
=3Dy" in config.
> x->X, Lower case letters become upper case letters after process.
> After "make olddefconfig", CONFIG_FONT_MINI_4x6 is not set.
>
> Add CONFIG_FONT_MINI_4x6=3Dy to .config.
> After "make olddefconfig", CONFIG_FONT_MINI_4x6 is set.
>

From the script you're invoking:

        if [ "$MUNGE_CASE" =3D "yes" ] ; then
                ARG=3D"`echo $ARG | tr a-z A-Z`"
        fi
...
MUNGE_CASE=3Dyes
while [ "$1" !=3D "" ] ; do
...
        --keep-case|-k)
                MUNGE_CASE=3Dno
                continue
                ;;

So perhaps use -k when using that script to enable one of the rare
config options that contains a lower-case letter.

Rasmus