From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751749AbdASKaj (ORCPT ); Thu, 19 Jan 2017 05:30:39 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:57196 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751525AbdASKah (ORCPT ); Thu, 19 Jan 2017 05:30:37 -0500 Subject: Re: [PATCH] ARM: OMAP5: Add HWMOD_SWSUP_SIDLE_ACT flag for UART To: Vignesh R , Paul Walmsley , Tony Lindgren , Russell King References: <20170118114807.9543-1-vigneshr@ti.com> CC: , , From: Lokesh Vutla Message-ID: Date: Thu, 19 Jan 2017 14:35:21 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170118114807.9543-1-vigneshr@ti.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 18 January 2017 05:18 PM, Vignesh R wrote: > According to the commit ca43ea345de9 ("ARM: OMAP2+: hwmod: Add a new > flag to handle SIDLE in SWSUP only in active"), UART IP needs the sidle > mode to be controlled in SW only while they are active. Once inactive, > the IP needs to be put back in HW control so they are also wakeup > capable. The flag HWMOD_SWSUP_SIDLE takes care of this. So add this flag > to all instances of UART. > > With this change, 8250 UART now gives out proper RX Timeout interrupts > and is usable as console. > > Signed-off-by: Vignesh R Reviewed-by: Lokesh Vutla Thanks and regards, Lokesh