linux-kernel - Re: [PATCH] tty: Remove leftover dependencies on PPC

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Date:	Thu, 16 Apr 2015 23:17:22 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Kevin Hao <haokexin@...il.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH] tty: Remove leftover dependencies on PPC_OF

On 04/16/2015 11:01 PM, Kevin Hao wrote:
> On Thu, Apr 16, 2015 at 10:20:59PM -0700, Guenter Roeck wrote:
>> powerpc qemu runs fail with the current upstream kernel.
>> Bisect points to commit 52d996270032 ("powerpc: kill PPC_OF").
>> Unfortunately, that commit did not remove all instances of PPC_OF.
>> Practical impact is that the serial driver used by powerpc qemu
>> targets is no longer built into the test kernel.
>
> Sorry for the break. This is a dependency issue. The patch 213dce3c17a6
> ("tty: kconfig: remove the superfluous dependency on PPC_OF") has already
> been merged into tty-next, but still not propagate to upstream yet. I failed
> to reminder Michael of this when the pulling request is sent to Linus.
>

Guess that explains why I don't see the breakage in linux-next.

This kind of problem seems to be happening a lot in this commit window.

Is there a new mechanism in place which requires splitting such series
into multiple parts ? Personally I preferred the "old" style, where
the entire series would have been handled by one maintainer, with Acks
from the others.

Guenter

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