From: Greg KH <greg@kroah.com>
To: Lee Howard <lee.howard@mainpine.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: Mainpine IQ Express Rev3 problems beginning 2.6.36
Date: Mon, 10 Jan 2011 16:02:31 -0800 [thread overview]
Message-ID: <20110111000231.GA30424@kroah.com> (raw)
In-Reply-To: <64E919E148714BFCB46D62A05E9EF13D@callisto>
On Fri, Dec 17, 2010 at 05:25:19AM -0800, Lee Howard wrote:
> > -----Original Message-----
> > From: linux-serial-owner@vger.kernel.org
> > [mailto:linux-serial-owner@vger.kernel.org] On Behalf Of Lee Howard
> > Sent: Tuesday, December 14, 2010 11:50 AM
> > To: 'Greg KH'
> > Cc: linux-serial@vger.kernel.org
> > Subject: RE: Mainpine IQ Express Rev3 problems beginning 2.6.36
> >
> > > -----Original Message-----
> > > From: Greg KH [mailto:greg@kroah.com]
> > > Sent: Sunday, December 12, 2010 8:52 AM
> >
> > > As for build issues, try to make a minimal working config for your
> > > system, using 'make localmodconfig'. That will speed up your build
> > > time immensely as well as reduce your chances of build and runtime
> > > problems with the intermediate kernels.
> >
> > Thank-you, that did help immensely.
> >
> > Here's the 'git bisect' result...
> >
> > --------------
> > 7a56aa45982bb87bfca98a2832b5ae782c03364a is the first bad
> > commit commit 7a56aa45982bb87bfca98a2832b5ae782c03364a
> > Author: Yegor Yefremov <yegor_sub1@visionsystems.de>
> > Date: Wed Jun 16 16:29:55 2010 +0200
> >
> > serial: add UART_CAP_EFR and UART_CAP_SLEEP flags to
> > 16C950 UARTs definition
> >
> > Adding UART_CAP_EFR and UART_CAP_SLEEP flags will enable
> > sleep mode
> > and automatic CTS flow control for 16C950 UARTs. It will
> > also avoid
> > capabilities detection warning like this:
> >
> > "ttyS0: detected caps 00000700 should be 00000100"
> >
> > Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
> >
> > :040000 040000 1776ca8d5c653834363c0778b5b404ee52bd2d69
> > b81cfe4f302a674935181bd248641873820517e5 M drivers
> > --------------
> >
> > Indeed, if I remove the UART_CAP_EFR flag from later kernel
> > revisions there is no problem.
>
> Greg,
>
> What's to be done?
Sorry for the delay, I think Pavel's posted patch will solve this issue
for you, right?
thanks,
greg k-h
next prev parent reply other threads:[~2011-01-11 0:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-08 23:55 Mainpine IQ Express Rev3 problems beginning 2.6.36 Lee Howard
2010-12-09 6:42 ` Greg KH
2010-12-12 0:36 ` Lee Howard
2010-12-12 16:52 ` Greg KH
2010-12-14 19:49 ` Lee Howard
2010-12-17 13:25 ` Lee Howard
2011-01-11 0:02 ` Greg KH [this message]
2011-01-11 19:16 ` Lee Howard
2011-01-11 23:03 ` Greg KH
2011-01-25 15:57 ` Lee Howard
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