linux-kernel - Re: [PATCH v2] checkpatch: Ignore ETHTOOL_LINK_MODE

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Date:   Thu, 05 Jan 2023 14:24:27 -0800
From:   Joe Perches <joe@...ches.com>
To:     Gerhard Engleder <gerhard@...leder-embedded.com>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     apw@...onical.com, dwaipayanray1@...il.com, lukas.bulwahn@...il.com
Subject: Re: [PATCH v2] checkpatch: Ignore ETHTOOL_LINK_MODE_ enum values

On Wed, 2023-01-04 at 21:15 +0100, Gerhard Engleder wrote:
> Since commit 4104a20646 enum values like
> ETHTOOL_LINK_MODE_Asym_Pause_BIT are ignored. But there are other enums
> like ETHTOOL_LINK_MODE_1000baseT_Full_BIT, which are not ignored
> because of the not matching '1000baseT' substring.
> 
> Add regex to match all ETHTOOL_LINK_MODE enums.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -5783,6 +5783,8 @@ sub process {
>  			    $var !~ /^(?:[A-Z]+_){1,5}[A-Z]{1,3}[a-z]/ &&
>  #Ignore Page<foo> variants
>  			    $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
> +#Ignore ETHTOOL_LINK_MODE_<foo> variants
> +			    $var !~ /^ETHTOOL_LINK_MODE_/ &&
>  #Ignore SI style variants like nS, mV and dB
>  #(ie: max_uV, regulator_min_uA_show, RANGE_mA_VALUE)
>  			    $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-Z0-9_]+)?$/ &&

These ETHTOOL enums also exist but are caught by the SI style variants test

ETHTOOL_A_CABLE_PULSE_mV
ETHTOOL_A_CABLE_AMPLITUDE_mV

So I guess it's OK.  Thanks.