From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753313AbdFMMbb (ORCPT ); Tue, 13 Jun 2017 08:31:31 -0400 Received: from mail-wr0-f173.google.com ([209.85.128.173]:35173 "EHLO mail-wr0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751965AbdFMMba (ORCPT ); Tue, 13 Jun 2017 08:31:30 -0400 Subject: Re: [PATCH v2] clockevents/tcb_clksrc: implement suspend/resume To: Alexandre Belloni Cc: Nicolas Ferre , Thomas Gleixner , Boris Brezillon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20170512182251.23948-1-alexandre.belloni@free-electrons.com> <926f790a-3041-69fb-1501-2c8137f1ba65@linaro.org> <20170613122800.tic2c5c2p7nqz6dq@piout.net> From: Daniel Lezcano Message-ID: Date: Tue, 13 Jun 2017 14:31:26 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20170613122800.tic2c5c2p7nqz6dq@piout.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/06/2017 14:28, Alexandre Belloni wrote: > On 13/06/2017 at 14:21:10 +0200, Daniel Lezcano wrote: >> On 12/05/2017 20:22, Alexandre Belloni wrote: >>> On sama5d2, power to the core may be cut while entering suspend mode. It is >>> necessary to save and restore the TCB registers. >>> >>> Signed-off-by: Alexandre Belloni >> >> The context will be saved/restored on all the platforms (other than >> sama5d2) using this timer even if the clock is not powered down. Is that ok? >> > > Yes, that is fine. There is not much we can do here until we can > determine what is the target suspend state from the drivers. > >> Should it be tagged for stable@? >> > > No because support for this suspend mode is not yet upstream. > >> Side note: the config option is in drivers/misc, any particular reason >> to have it there and not in the clocksource's Kconfig? >> > > Mostly historical, this is changed in the other series. Ok, thanks. I've applied this patch for 4.13. -- Daniel -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog