linux-kernel - Re: [PATCH] serial: st-asc: Use new GPIOD API to obtain RTS pin

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Message-ID: <20170208174759.GA4773@kroah.com>
Date:   Wed, 8 Feb 2017 18:47:59 +0100
From:   Greg KH <greg@...ah.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     kbuild test robot <lkp@...el.com>,
        Lee Jones <lee.jones@...aro.org>, kbuild-all@...org,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Alexander Stein <alexander.stein@...tec-electronic.com>
Subject: Re: [PATCH] serial: st-asc: Use new GPIOD API to obtain RTS pin

On Wed, Feb 08, 2017 at 06:31:10PM +0200, Andy Shevchenko wrote:
> On Wed, 2017-02-08 at 21:48 +0800, kbuild test robot wrote:
> > Hi Lee,
> > 
> > [auto build test ERROR on tty/tty-testing]
> > [cannot apply to v4.10-rc7 next-20170208]
> > [if your patch is applied to the wrong git tree, please drop us a note
> > to help improve the system]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Lee-Jones/serial-st-a
> > sc-Use-new-GPIOD-API-to-obtain-RTS-pin/20170208-180609
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
> >  tty-testing
> > config: x86_64-allmodconfig (attached as .config)
> > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> > reproduce:
> >         # save the attached .config to linux build tree
> >         make ARCH=x86_64 
> > 
> 
> It requires to have immutable branch in one of the subsystem which the
> other one can pull.

Which sucks, and is why you should not do api changes this way!

greg k-h