> -----Original Message----- > From: Greg KH [mailto:greg@xxxxxxxxx] > Sent: Tuesday, January 11, 2011 3:03 PM > To: Lee Howard > Cc: linux-serial@xxxxxxxxxxxxxxx > Subject: Re: Mainpine IQ Express Rev3 problems beginning 2.6.36 > > On Tue, Jan 11, 2011 at 11:16:06AM -0800, Lee Howard wrote: > > > > > -----Original Message----- > > > From: Greg KH [mailto:greg@xxxxxxxxx] > > > Sent: Monday, January 10, 2011 4:03 PM > > > To: Lee Howard > > > Cc: linux-serial@xxxxxxxxxxxxxxx > > > Subject: Re: Mainpine IQ Express Rev3 problems beginning 2.6.36 > > > > > > On Fri, Dec 17, 2010 at 05:25:19AM -0800, Lee Howard wrote: > > > > > -----Original Message----- > > > > > From: linux-serial-owner@xxxxxxxxxxxxxxx > > > > > [mailto:linux-serial-owner@xxxxxxxxxxxxxxx] On Behalf Of > > > Lee Howard > > > > > Sent: Tuesday, December 14, 2010 11:50 AM > > > > > To: 'Greg KH' > > > > > Cc: linux-serial@xxxxxxxxxxxxxxx > > > > > Subject: RE: Mainpine IQ Express Rev3 problems > beginning 2.6.36 > > > > > > > > > > > -----Original Message----- > > > > > > From: Greg KH [mailto:greg@xxxxxxxxx] > > > > > > 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@xxxxxxxxxxxxxxxx> > > > > > 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@xxxxxxxxxxxxxx> > > > > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> > > > > > > > > > > :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? > > > > I've looked in the linux-serial archives for posts by Pavel for the > > last month, but I don't see a patch. Please tell me where > I can find this patch. > > I've attached it below. Thank you. Sorry for my delay in responding. Yes, the posted patch will solve the issue for me. I was going to look into whether UART_CAP_SLEEP was meaningful without UART_CAP_EFR because I thought I had read somewhere that it was not. But I just haven't managed to make time to do that. Thanks, Lee. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
