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 16:01:00 -0500 Message-ID: <5457ED0C.3090705@hurleysoftware.com> References: <1415030753-26885-1-git-send-email-johannes.thumshirn@men.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1415030753-26885-1-git-send-email-johannes.thumshirn@men.de> Sender: linux-kernel-owner@vger.kernel.org To: Johannes Thumshirn , Greg Kroah-Hartman , Jiri Slaby Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-serial@vger.kernel.org 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? 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? Regards, Peter Hurley