linux-kernel - Re: [PATCH] clk: mediatek: remove unnecessary include header from reset.c

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Date:   Wed, 27 Dec 2017 13:15:50 +0100
From:   Jean Delvare <jdelvare@...e.de>
To:     Sean Wang <sean.wang@...iatek.com>
Cc:     Stephen Boyd <sboyd@...eaurora.org>, <mturquette@...libre.com>,
        <matthias.bgg@...il.com>, <jamesjj.liao@...iatek.com>,
        <weiyi.lu@...iatek.com>, <arnd@...db.de>,
        <linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] clk: mediatek: remove unnecessary include header from
 reset.c

Hi Sean, Stephen,

On Wed, 27 Dec 2017 11:33:00 +0800, Sean Wang wrote:
> On Tue, 2017-12-26 at 17:10 -0800, Stephen Boyd wrote:
> > drivers/clk/mediatek/reset.c:64:6: warning: symbol 'mtk_register_reset_controller' was not declared. Should it be static?
> 
> It cannot be static since the function would be referenced in other
> files under the same folder
> 
> 
> One point I felt confused which is I didn't see the warning complains
> when I did these build test, even I also added -Werror and -Wall to
> build all files under driver/clk/mediatek. My toolchain is based on gcc
> version 5.2.0 (GCC).

I tested and I get the warning here (gcc 4.8.5 on SUSE) but only after
setting CONFIG_RESET_CONTROLLER=y. Without it,
drivers/clk/mediatek/reset.o is never built, so no warning can be
generated.

> If the warning still is, the include "clk-mtk.h" should be good to stay
> there because the declaration it needs is in the clk-mtk.h

Agreed.

-- 
Jean Delvare
SUSE L3 Support