From: Johan Hovold <johan@kernel.org>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>, Rob Herring <robh@kernel.org>,
linux-kernel@vger.kernel.org, kernel@pengutronix.de,
kbuild test robot <lkp@intel.com>
Subject: Re: [PATCH] serdev: fix builds with CONFIG_SERIAL_DEV_BUS=m
Date: Wed, 18 Dec 2019 10:06:06 +0100 [thread overview]
Message-ID: <20191218090606.GJ22665@localhost> (raw)
In-Reply-To: <20191218083842.14882-1-u.kleine-koenig@pengutronix.de>
On Wed, Dec 18, 2019 at 09:38:42AM +0100, Uwe Kleine-König wrote:
> Commit 54edb425346a ("serdev: simplify Makefile") broke builds with
> serdev configured as module. I don't understand it completely yet, but
> it seems that
>
> obj-$(CONFIG_SERIAL_DEV_BUS) += serdev/
>
> in drivers/tty/Makefile with CONFIG_SERIAL_DEV_BUS=m doesn't result in
> code that is added using obj-y in drivers/tty/serdev/Makefile being
> compiled. So instead of dropping $(CONFIG_SERIAL_DEV_BUS) in serdev's
> Makefile, drop it in drivers/tty/Makefile.
Why not simply revert the offending patch? There are some dependencies
here related to how the tty layer is built. If you're still not certain
on why things broke, I suggest just reverting for now.
You can send a follow-up clean up if you think that's warranted instead.
> Fixes: 54edb425346a ("serdev: simplify Makefile")
> Reported-by: kbuild test robot <lkp@intel.com>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> ---
> Hello,
>
> as Greg already added the offending patch to tty-next I assume it is
> frozen and cannot be dropped any more, so here is an incremental fix.
Johan
next prev parent reply other threads:[~2019-12-18 9:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201912181000.82Z7czbN%lkp@intel.com>
2019-12-18 8:38 ` [PATCH] serdev: fix builds with CONFIG_SERIAL_DEV_BUS=m Uwe Kleine-König
2019-12-18 9:06 ` Johan Hovold [this message]
2019-12-18 9:29 ` Uwe Kleine-König
2019-12-18 9:38 ` Johan Hovold
2019-12-18 10:39 ` Uwe Kleine-König
2019-12-18 12:51 ` Johan Hovold
2019-12-18 17:23 ` kbuild obj-m directory descend (was: Re: [PATCH] serdev: fix builds with CONFIG_SERIAL_DEV_BUS=m) Johan Hovold
2019-12-19 2:00 ` Masahiro Yamada
2019-12-19 8:18 ` Johan Hovold
2019-12-19 8:55 ` Masahiro Yamada
2019-12-19 9:49 ` Johan Hovold
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