linux-kernel - Re: [PATCH] clk: imx6q: Annotate imx6q_obtain_fixed_clk_hw with _

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Message-ID: <20190618144018.GA63161@archlinux-epyc>
Date:   Tue, 18 Jun 2019 07:40:18 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     Abel Vesa <abel.vesa@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH] clk: imx6q: Annotate imx6q_obtain_fixed_clk_hw with
 __init

On Tue, Jun 18, 2019 at 09:42:55PM +0800, Shawn Guo wrote:
> On Mon, Jun 17, 2019 at 07:24:05PM -0700, Nathan Chancellor wrote:
> > When building with clang, the following modpost warning occurs:
> > 
> > WARNING: vmlinux.o(.text+0x974dbc): Section mismatch in reference from
> > the function imx6q_obtain_fixed_clk_hw() to the function
> > .init.text:imx_obtain_fixed_clock_hw()
> > The function imx6q_obtain_fixed_clk_hw() references
> > the function __init imx_obtain_fixed_clock_hw().
> > This is often because imx6q_obtain_fixed_clk_hw lacks a __init
> > annotation or the annotation of imx_obtain_fixed_clock_hw is wrong.
> > 
> > imx6q_obtain_fixed_clk_hw is only used in imx6q_clocks_init, which is
> > marked __init so do that to imx6q_obtain_fixed_clk_hw to avoid this
> > warning.
> > 
> > Fixes: 992b703b5b38 ("clk: imx6q: Switch to clk_hw based API")
> > Link: https://github.com/ClangBuiltLinux/linux/issues/541
> > Reported-by: Nick Desaulniers <ndesaulniers@...gle.com>
> > Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> 
> Thanks for the patch, Nathan.  But we already queued up a patch [1]
> from Arnd for that.
> 
> Shawn
> 
> [1] https://lkml.org/lkml/2019/6/17/317

Ugh, sorry for the noise, I should have done a search and seen if
someone had sent out a fix already.

Cheers,
Nathan