From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753903AbaIYPS2 (ORCPT ); Thu, 25 Sep 2014 11:18:28 -0400 Received: from mail-wi0-f169.google.com ([209.85.212.169]:51854 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753013AbaIYPS0 (ORCPT ); Thu, 25 Sep 2014 11:18:26 -0400 User-Agent: K-9 Mail for Android In-Reply-To: <20140925151403.GH19396@linutronix.de> References: <5411C810.7070906@linutronix.de> <2cf997d9-e7de-465b-915d-3a0a5e7b95f7@email.android.com> <54129F6C.7040508@linutronix.de> <20140912094010.GE28458@ci00147.xsens-tech.local> <5412C21A.8020203@linutronix.de> <20140912102816.GF28458@ci00147.xsens-tech.local> <541716DC.9020904@linutronix.de> <20140917102812.GA20438@ci00147.xsens-tech.local> <20140921204100.GA10111@linutronix.de> <20140922092853.GH20438@ci00147.xsens-tech.local> <20140925151403.GH19396@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx From: Frans Klaver Date: Thu, 25 Sep 2014 17:18:15 +0200 To: Sebastian Andrzej Siewior , Frans Klaver CC: Heikki Krogerus , Peter Hurley , tony@atomide.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, balbi@ti.com, linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alan Cox Message-ID: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25 September 2014 17:14:03 CEST, Sebastian Andrzej Siewior wrote: >* Frans Klaver | 2014-09-22 11:28:54 [+0200]: > >>I guess then we'd still have to answer the question why the yocto >build >>calls set_termios() so often, but that's not on you then. Did you >notice >>it even changing settings? We might want to fix this even if the >kernel >>should be able to cope. > >could you please test uart_v10_pre3? I dropped a few register sets and >delayed the register update until TX-DMA is complete. I am traveling >currently and have only my boneblack and it passes my limited testing. >If it solves your problems, too then I would address Heikki's latest >comments and prepare the final v10 (and I hope I didn't break beagle >board in between). That'll be Monday earliest for me. > >>Thanks again, >>Frans > >Sebastian > >_______________________________________________ >linux-arm-kernel mailing list >linux-arm-kernel@lists.infradead.org >http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: fransklaver@gmail.com (Frans Klaver) Date: Thu, 25 Sep 2014 17:18:15 +0200 Subject: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx In-Reply-To: <20140925151403.GH19396@linutronix.de> References: <5411C810.7070906@linutronix.de> <2cf997d9-e7de-465b-915d-3a0a5e7b95f7@email.android.com> <54129F6C.7040508@linutronix.de> <20140912094010.GE28458@ci00147.xsens-tech.local> <5412C21A.8020203@linutronix.de> <20140912102816.GF28458@ci00147.xsens-tech.local> <541716DC.9020904@linutronix.de> <20140917102812.GA20438@ci00147.xsens-tech.local> <20140921204100.GA10111@linutronix.de> <20140922092853.GH20438@ci00147.xsens-tech.local> <20140925151403.GH19396@linutronix.de> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 25 September 2014 17:14:03 CEST, Sebastian Andrzej Siewior wrote: >* Frans Klaver | 2014-09-22 11:28:54 [+0200]: > >>I guess then we'd still have to answer the question why the yocto >build >>calls set_termios() so often, but that's not on you then. Did you >notice >>it even changing settings? We might want to fix this even if the >kernel >>should be able to cope. > >could you please test uart_v10_pre3? I dropped a few register sets and >delayed the register update until TX-DMA is complete. I am traveling >currently and have only my boneblack and it passes my limited testing. >If it solves your problems, too then I would address Heikki's latest >comments and prepare the final v10 (and I hope I didn't break beagle >board in between). That'll be Monday earliest for me. > >>Thanks again, >>Frans > >Sebastian > >_______________________________________________ >linux-arm-kernel mailing list >linux-arm-kernel at lists.infradead.org >http://lists.infradead.org/mailman/listinfo/linux-arm-kernel