linux-kernel - Re: [PATCH] Remove MODULE_ALIAS() calls that take undefined macro

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Message-ID: <20190508113752.GE31645@dell>
Date:   Wed, 8 May 2019 12:37:52 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Alexey Gladkov <gladkov.alexey@...il.com>,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Tony Lindgren <tony@...mide.com>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        linux-omap@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: Re: [PATCH] Remove MODULE_ALIAS() calls that take undefined macro

On Tue, 07 May 2019, Masahiro Yamada wrote:

> These files do not define (USBHS_)DRIVER_NAME. Yet, they can be
> successfully compiled because they are never built as a module by
> anyone, i.e, the MODULE_ALIAS() calls are always no-op.
> 
> A problem showed up when a patch "moduleparam: Save information about
> built-in modules in separate file" is applied. With this new feature,
> MODULE_*() are populated even if the callers are built-in.
> 
> To avoid the build errors, the lines referencing to the undefined
> macro must be removed.
> 
> The complete fix is to remove all MODULE_* and #include <linux/module.h>
> like many "make ... explicitly non-modular" commits did.
> 
> For now, I am touching the offending lines.
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
> I will insert this commit before
> "moduleparam: Save information about built-in modules in separate file"
> 
> 
>  arch/arm/plat-omap/dma.c          | 1 -
>  drivers/clocksource/timer-ti-dm.c | 1 -
>  drivers/mfd/omap-usb-tll.c        | 1 -

For my own reference:
  Acked-for-MFD-by: Lee Jones <lee.jones@...aro.org>

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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