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Date:   Wed, 6 Mar 2019 18:15:57 +0000
From:   Russell King - ARM Linux admin <>
To:     Linus Torvalds <>
Cc:     Arnd Bergmann <>,,
        Linux ARM <>,
        Linux Kernel Mailing List <>,
        arm-soc <>
Subject: Re: [GIT PULL 3/6] ARM: SoC driver updates for 5.1

On Wed, Mar 06, 2019 at 10:09:28AM -0800, Linus Torvalds wrote:
> On Wed, Mar 6, 2019 at 7:34 AM Arnd Bergmann <> wrote:
> >
> >   git:// tags/armsoc-drivers
> This caused a surprising number of kernel file rebuilds for me, and
> the reason was
> >  include/linux/mod_devicetable.h                                     |   9 +
> It turns out that the above is indirectly included from a _lot_ of
> code device header files.
> The reason seems to be the various 'struct *_device_id' declarations,
> that then all the different header files want.
> So a tiny change in an oddball header file causes a lot of recompiles.
> Oh well. I don't know if there is anything to be done, but I did react
> to how some surprising changes cause a lot of build activity, and it's
> not always obvious.

Would it be worth splitting up mod_devicetable.h and having drivers
include just the bus-specific device table header(s) that the driver

RMK's Patch system:
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to 11.9Mbps down 500kbps up

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