From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757279AbdEWEJ5 (ORCPT ); Tue, 23 May 2017 00:09:57 -0400 Received: from ozlabs.org ([103.22.144.67]:41079 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751821AbdEWEJx (ORCPT ); Tue, 23 May 2017 00:09:53 -0400 From: Michael Ellerman To: Ivan Mikhaylov , Alistair Popple , Matt Porter Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Benjamin Herrenschmidt , Joel Stanley , Paul Mackerras Subject: Re: [PATCH 4/4] arch/powerpc/44x/fsp2: wdt tcr update instead of whole rewrite In-Reply-To: <20170519154705.10504-1-ivan@de.ibm.com> References: <87wp9d5ekz.fsf@concordia.ellerman.id.au> <20170519154705.10504-1-ivan@de.ibm.com> User-Agent: Notmuch/0.21 (https://notmuchmail.org) Date: Tue, 23 May 2017 14:09:46 +1000 Message-ID: <87lgpo8b91.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ivan Mikhaylov writes: > > From my point of view it's possible. I've checked docu and on idea > it should be possible cause WP is only affecting watchdog ping time. The question is, is there any chance that leaving those bits set on another platform will cause a problem? ie. on existing machines we always clear those bits, is it OK that we will now start leaving those bits with whatever value they had. cheers