Re: [PATCH] platform/x86: intel_pmc_ipc: Delete unused function ipc_data_readb()

[Alan Cox]

On Tue, 23 May 2017 13:55:39 -0700
Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote:

> The function was added by commit 0a8b83530b6f ("intel_pmc_ipc: Add Intel
> Apollo Lake PMC IPC driver") in 2015 and hasn't been used since then.
> Removing it fixes the following warning when building with clang:
> 
>     drivers/platform/x86/intel_pmc_ipc.c:189:18: error: unused function
>         'ipc_data_readb' [-Werror,-Wunused-function]

It is however also part of the API and a consistent sensible function to
have present should it be needed. As it's static it's eliminated
correctly by gcc.

I'm all for eliminating unused functions but in this case I have to wonder

Alan