From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: Re: [PATCH 1/2] amba pl011: workaround for uart registers lockup Date: Thu, 16 Jun 2011 10:17:51 +0200 Message-ID: References: <1307952693-25232-1-git-send-email-linus.walleij@stericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-qy0-f174.google.com ([209.85.216.174]:51354 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814Ab1FPIRw (ORCPT ); Thu, 16 Jun 2011 04:17:52 -0400 Received: by qyk29 with SMTP id 29so62606qyk.19 for ; Thu, 16 Jun 2011 01:17:51 -0700 (PDT) In-Reply-To: <1307952693-25232-1-git-send-email-linus.walleij@stericsson.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Greg Kroah-Hartman Cc: linux-arm-kernel@lists.infradead.org, linux-serial@vger.kernel.org, Lee Jones , Shreshtha Kumar Sahu On Mon, Jun 13, 2011 at 10:11 AM, Linus Walleij wrote: > From: Shreshtha Kumar Sahu > > This workaround aims to break the deadlock situation > which raises during continuous transfer of data for long > duration over uart with hardware flow control. It is > observed that CTS interrupt cannot be cleared in uart > interrupt register (ICR). Hence further transfer over > uart gets blocked. Ping on this, Greg have you picked these two for the tty next tree? Thanks, Linus Walleij