From patchwork Wed Feb 3 02:26:18 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 76577 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o132Pnsc027588 for ; Wed, 3 Feb 2010 02:25:51 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932377Ab0BCCZv (ORCPT ); Tue, 2 Feb 2010 21:25:51 -0500 Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:59454 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932331Ab0BCCZu (ORCPT ); Tue, 2 Feb 2010 21:25:50 -0500 Received: from c-67-160-239-110.hsd1.ca.comcast.net ([67.160.239.110] helo=baageli.muru.com) by mho-02-ewr.mailhop.org with esmtpa (Exim 4.68) (envelope-from ) id 1NcUw9-000403-VO; Wed, 03 Feb 2010 02:25:50 +0000 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 67.160.239.110 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1+01hzB3kOArDDR4yKhLHWr Subject: [PATCH 9/9] omap: Disable serial port autoidle by default To: linux-arm-kernel@lists.infradead.org From: Tony Lindgren Cc: Kevin Hilman , linux-omap@vger.kernel.org Date: Tue, 02 Feb 2010 18:26:18 -0800 Message-ID: <20100203022618.26347.51428.stgit@baageli.muru.com> In-Reply-To: <20100203022318.26347.34734.stgit@baageli.muru.com> References: <20100203022318.26347.34734.stgit@baageli.muru.com> User-Agent: StGit/0.15 MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Wed, 03 Feb 2010 02:25:51 +0000 (UTC) diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8c964be..fa852f3 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -36,7 +36,13 @@ #define UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV 0x52 #define UART_OMAP_WER 0x17 /* Wake-up enable register */ -#define DEFAULT_TIMEOUT (5 * HZ) +/* + * NOTE: By default the serial timeout is disabled as it causes lost characters + * over the serial ports. This means that the UART clocks will stay on until + * disabled via sysfs. This also causes that any deeper omap sleep states are + * blocked. + */ +#define DEFAULT_TIMEOUT 0 struct omap_uart_state { int num;