linux-kernel - Re: [PATCH] clk: imx: scu: Fix compile error with module build of clk-scu.o

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Message-ID: <20201102235218.GY31601@dragon>
Date:   Tue, 3 Nov 2020 07:52:19 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Valdis Klētnieks <valdis.kletnieks@...edu>,
        Dong Aisheng <aisheng.dong@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] clk: imx: scu: Fix compile error with module build of
 clk-scu.o

On Mon, Nov 02, 2020 at 01:31:59PM -0800, Randy Dunlap wrote:
> On 11/2/20 1:01 PM, Valdis Klētnieks wrote:
> > On Mon, 02 Nov 2020 09:15:20 -0800, Randy Dunlap said:
> > 
> >> also
> >> Reported-by: kernel test robot <lkp@...el.com>
> >>
> >> However, this driver does not directly use <linux/module.h>.
> > 
> > Just my luck - I looked at 3 or 4 other things that include of_platform.h
> > and they all *did* include module.h.
> > 
> >> platform_device.h #includes <linux/device.h>, which is where the
> >> problem lies:
> >>
> >> <linux/device.h> uses macros that are provided by <linux/module.h>
> >> so <linux/device.h> should #include <linux/module.h>.
> >>
> >> and that fixes this commit:
> >>
> >> commit 4c002c978b7f2f2306d53de051c054504af920a9
> >> Author: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> >> Date:   Mon Dec 9 20:33:03 2019 +0100
> >>
> >>     device.h: move 'struct driver' stuff out to device/driver.h
> > 
> > OK.. who's going to do that? Me, or Randy, or Greg?
> 
> You could go ahead... I began on it yesterday but didn't finish
> testing, although I did see the same build error that the 0day
> bot reported, so I don't know what it's going to take to fix that.

It's a driver problem which is being addressed by Dong's patch[1].

Shawn

[1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201030153733.30160-1-aisheng.dong@nxp.com/