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

From: Guenter Roeck <[email-masked]>
Date: Thu, 21 Apr 2022 13:36:15 -0700

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 <[email-masked]>
> 
> --

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