From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12D78C433FF for ; Wed, 7 Aug 2019 03:40:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFCD620717 for ; Wed, 7 Aug 2019 03:40:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="BLRI9h7q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727502AbfHGDku (ORCPT ); Tue, 6 Aug 2019 23:40:50 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:9400 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726612AbfHGDku (ORCPT ); Tue, 6 Aug 2019 23:40:50 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 06 Aug 2019 20:40:50 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 06 Aug 2019 20:40:49 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 06 Aug 2019 20:40:49 -0700 Received: from [10.2.168.234] (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 7 Aug 2019 03:40:47 +0000 Subject: Re: [PATCH v7 01/20] pinctrl: tegra: Add suspend and resume support From: Sowjanya Komatineni To: Linus Walleij CC: "thierry.reding@gmail.com" , Jon Hunter , Thomas Gleixner , Jason Cooper , Marc Zyngier , Stefan Agner , Mark Rutland , Peter De Schrijver , Prashant Gaikwad , "Stephen Boyd" , linux-clk , "open list:GPIO SUBSYSTEM" , , "Joseph Lo" , , , "linux-kernel@vger.kernel.org" , "Mikko Perttunen" , , Rob Herring , Dmitry Osipenko , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "Rafael J. Wysocki" , viresh kumar , Linux PM list References: <1564607463-28802-1-git-send-email-skomatineni@nvidia.com> <1564607463-28802-2-git-send-email-skomatineni@nvidia.com> Message-ID: Date: Tue, 6 Aug 2019 20:40:47 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL104.nvidia.com (172.18.146.11) To HQMAIL107.nvidia.com (172.20.187.13) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1565149250; bh=R1aWkHhQGEDFlMq3J3HvsOTVA4LJ2HzCFYLdH2+sUvw=; h=X-PGP-Universal:Subject:From:To:CC:References:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Transfer-Encoding: Content-Language; b=BLRI9h7q5uMUyX7sQu/YuoHnLzETuXQV9ErKqBny0vCUcL8RLClZ9466K66AwBrMj dr15JGaRNq9162+jZoTTbeQo4InXE+YXNZ8kz/AfjToy101DOXpLDwkVcahW2Keaex 69R9dtf0Uikm/C4AF8rC0SsbTzNBWID8e45ARmd4w2xxYtSETYPRwx3OmmL8jM7TPj 5U/0MSvKHadcF6LvbSyFTaB659bfuFQCQZuJtfp/9hn/a8/3tXDT0pgAvTKwwWOhyh 70sBra263MOy2F7zVG/8EWwv4tIXIVcRLnbTUE+WZyQJ3LYaBg5dKbOqn1sY7nb/HW iUjF6vBEglSWw== Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 8/6/19 2:51 PM, Sowjanya Komatineni wrote: > > On 8/5/19 2:20 AM, Linus Walleij wrote: >> On Wed, Jul 31, 2019 at 11:11 PM Sowjanya Komatineni >> wrote: >> >>> This patch adds support for Tegra pinctrl driver suspend and resume. >>> >>> During suspend, context of all pinctrl registers are stored and >>> on resume they are all restored to have all the pinmux and pad >>> configuration for normal operation. >>> >>> Acked-by: Thierry Reding >>> Reviewed-by: Dmitry Osipenko >>> Signed-off-by: Sowjanya Komatineni >> Patch applied to the pinctrl tree. >> >> This patch seems finished. >> >> Also if the rest don't get merged for v5.4 then at least this is so >> your patch stack gets more shallow. >> >> I hope it's fine to merge this separately, else tell me and I'll >> pull it out. >> >> Yours, >> Linus Walleij > > Yes, this patch can be merged separately. But, there's latest feedback > from Dmitry to add barrier after writes to make sure pinmux register > writes happen. > > So will update this patch to add barrier in v8. So, need to wait for v8. > > Thanks > > Sowjanya > I see it merged. So will exclude suspend/resume patch and will add patch for necessary write barrier fix in v8 version. Thanks Sowjanya