linux-kernel - Re: [RFC PATCH 2/3] clk: add managed version of clk_bulk

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Message-ID: <20170422025837.GU7065@codeaurora.org>
Date:   Fri, 21 Apr 2017 19:58:37 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Dong Aisheng <dongas86@...il.com>
Cc:     Dong Aisheng <aisheng.dong@....com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kernel@...gutronix.de, broonie@...nel.org, yibin.gong@....com,
        rjw@...ysocki.net, viresh.kumar@...aro.org,
        mturquette@...libre.com, shawnguo@...nel.org,
        fabio.estevam@....com, anson.huang@....com, ping.bai@....com,
        leonard.crestez@....com, octavian.purdila@....com
Subject: Re: [RFC PATCH 2/3] clk: add managed version of clk_bulk_get

On 04/13, Dong Aisheng wrote:
> On Wed, Apr 12, 2017 at 12:03:28PM +0800, Dong Aisheng wrote:
> 
>    drivers/built-in.o: In function `devm_clk_bulk_get':
> >> (.text+0x1930e): undefined reference to `clk_bulk_get'
>    drivers/built-in.o: In function `devm_clk_bulk_release':
> >> clk-devres.c:(.text+0x19370): undefined reference to `clk_bulk_put'
> 
> clk_bulk_get is defined in clkdev.c which depends on CONFIG_CLKDEV_LOOKUP.
> However, some platforms like m68k may not select CLKDEV_LOOKUP but
> select HAVE_CLK. Thus compiling devm_clk_bulk_get may cause a undefined
> reference to 'clk_bulk_get'.
> 
> Since clk_bulk_get is built upon the platform specific clk_get api,
> clk_bulk_get can also be used by that platform accordingly.
> 
> Then we probably could move clk_bulk_get into clk-devres.c as well which
> is controlled by common CONFIG_HAVE_CLK to benifit all platforms.

clk-devres is for devm* things. I'd just make another file for
now, clk-bulk.c or something like that. When everyone moves to
common clk, we can fold it into clk.c, or not because clk.c is
rather large right now.

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