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Date:   Mon, 17 Aug 2020 10:26:16 +0200
From:   Rasmus Villemoes <>
To:     Christian Lamparter <>,
        Lee Jones <>,,
        Christian Lamparter <>,
        Kalle Valo <>,
        Johannes Berg <>,,
Subject: Re: [PATCH 08/30] net: wireless: ath: carl9170: Mark 'ar9170_qmap' as

On 14/08/2020 17.14, Christian Lamparter wrote:
> On 2020-08-14 13:39, Lee Jones wrote:
>> 'ar9170_qmap' is used in some source files which include carl9170.h,
>> but not all of them.  Mark it as __maybe_unused to show that this is
>> not only okay, it's expected.
>> Fixes the following W=1 kernel build warning(s)
> Is this W=1 really a "must" requirement? I find it strange having
> __maybe_unused in header files as this "suggests" that the
> definition is redundant.

In this case it seems one could replace the table lookup with a

static inline u8 ar9170_qmap(u8 idx) { return 3 - idx; }

gcc doesn't warn about unused static inline functions (or one would have
a million warnings to deal with). Just my $0.02.


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