From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Hurley Subject: Re: [PATCH v4] tty: serial: men_z135_uart: Fix driver for changes in hardware Date: Mon, 03 Nov 2014 16:26:39 -0500 Message-ID: <5457F30F.2030203@hurleysoftware.com> References: <1415030753-26885-1-git-send-email-johannes.thumshirn@men.de> <5457ED0C.3090705@hurleysoftware.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout32.mail01.mtsvc.net ([216.70.64.70]:44545 "EHLO n23.mail01.mtsvc.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752344AbaKCV0l (ORCPT ); Mon, 3 Nov 2014 16:26:41 -0500 In-Reply-To: <5457ED0C.3090705@hurleysoftware.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Johannes Thumshirn , Greg Kroah-Hartman , Jiri Slaby Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org On 11/03/2014 04:01 PM, Peter Hurley wrote: > On 11/03/2014 11:05 AM, Johannes Thumshirn wrote: >> * Enable the handling of UART core's automatic flow control feature. >> When AFE is active disable generation of modem status IRQs. > > So HUPCL doesn't work when CRTSCTS is set? Sorry, I meant !CLOCAL. IOW, 'So !CLOCAL doesn't work when CRTSCTS is set?' > Is this because there's actually a problem with the IP core that > MSIs trash the autoCTS state, or is the problem that the driver > just shouldn't be calling uart_handle_cts_change() when autoCTS is > on?