linux-kernel - Re: drivers/usb/typec/tcpm/tcpm.c:4724:3: error: case label does not reduce to an integer constant

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Message-ID: <15b38d01-702c-b39e-7053-54c3905a0794@roeck-us.net>
Date:   Thu, 21 Apr 2022 13:36:15 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org, linux-usb@...r.kernel.org
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        heikki.krogerus@...ux.intel.com
Subject: Re: drivers/usb/typec/tcpm/tcpm.c:4724:3: error: case label does not
 reduce to an integer constant

On 4/21/22 12:03, Naresh Kamboju wrote:
> Linux mainline and linux next arm64 builds failed with gcc-7.3.x.
> 
> drivers/usb/typec/tcpm/tcpm.c: In function 'run_state_machine':
> drivers/usb/typec/tcpm/tcpm.c:4724:3: error: case label does not
> reduce to an integer constant
>     case BDO_MODE_TESTDATA:
>     ^~~~
> make[4]: *** [scripts/Makefile.build:288: drivers/usb/typec/tcpm/tcpm.o] Error 1
>                                        ^
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> 
> --

That code is several years old, the define is a constant, and I don't see
a recent change in the code. What am I missing ?

Guenter