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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 1C10AC48BD3 for ; Wed, 26 Jun 2019 10:12:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E82302086D for ; Wed, 26 Jun 2019 10:12:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h3F2vgos" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726931AbfFZKMS (ORCPT ); Wed, 26 Jun 2019 06:12:18 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:46930 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725930AbfFZKMS (ORCPT ); Wed, 26 Jun 2019 06:12:18 -0400 Received: by mail-wr1-f66.google.com with SMTP id n4so1992150wrw.13; Wed, 26 Jun 2019 03:12:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Dibq7+zbPZLIpwPHa4nvk1UvCebsATcld77EwT73l8c=; b=h3F2vgosynP1Knelmy5Gmqhsk7vUJK9xKEMeaMdR6n8sY9R2YElOv+IFBAU6toZwEt EEebPXGmzj135SUmx7ofG0AS81/4h7dSEDPi4vD3WncXbx3riaL5TBmbAAobXhj67HKS 4IrjVzkIfLejBP/cu1Zr1tOMF0U6GPRpoHnDXyyCoQrB6WAnDy8r26yZnY2fXGCFDmbl qek2IvmUgXx1PRWaPgo4xN9i1el7k11MctecdMrnsACy3IN0YvOPGG1DG5eqjDayRxYJ irrWYwVOz7DXZ873njHWt48GaYIcCXw7tAMR3r7Ma0N8xxc2fbNA8Xw2QitZUhTWK1mU lXfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Dibq7+zbPZLIpwPHa4nvk1UvCebsATcld77EwT73l8c=; b=ICkRKxfn4JmOh4zgKl/JXBtJCBRXX8073wB0mKefvOohg6ND9Wr/f2ZHcGf75Ch6nP 79tFLYbOmIlDBgmLuiHvpexM4+haZKO6Io8x7TWPciSL6cD8KPkcmbbBP3ysmfrRqqff dIWumWpgTRJ/tjEN5bahtaFzQ8bPPbNpBVTS1KXJUWXSuRZ4Dq9bUDWfQVfIJxucYb7e 1ikrgcQhtGaKbXPaKbUB2Vic5Yaden+JJsv8nKAsYl5EI7hgEl5kBi0Y0kTJlrP77T+x 2ByiHNiSdxXvtMgDvpFzf1JjGAO2xHF3WP/83T6gTZmb/TzWa07bCGY42yV6kHsoRNUq lZEQ== X-Gm-Message-State: APjAAAVpAjzZrlCzqwtwwVZdBnlCIXlFbbwxakDRoCxdm5lKdcyhqcwE C9aysMPkFf947Y3MC+hteKs= X-Google-Smtp-Source: APXvYqy/ki8Ln90KvN3IcTp8a007eI8cPfnHLI2q5Mmu15NZXsoILdrxtact8/Faz40GvWLmZg+1gw== X-Received: by 2002:a5d:42ca:: with SMTP id t10mr3214670wrr.202.1561543935270; Wed, 26 Jun 2019 03:12:15 -0700 (PDT) Received: from localhost (p2E5BEF36.dip0.t-ipconnect.de. [46.91.239.54]) by smtp.gmail.com with ESMTPSA id j189sm1923150wmb.48.2019.06.26.03.12.14 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 26 Jun 2019 03:12:14 -0700 (PDT) Date: Wed, 26 Jun 2019 12:12:13 +0200 From: Thierry Reding To: Sowjanya Komatineni Cc: jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch, mark.rutland@arm.com, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com, talho@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, spatra@nvidia.com, robh+dt@kernel.org, digetx@gmail.com, devicetree@vger.kernel.org Subject: Re: [PATCH V4 10/18] clk: tegra: add save and restore context support for peripheral clocks Message-ID: <20190626101213.GC6362@ulmo> References: <1561345379-2429-1-git-send-email-skomatineni@nvidia.com> <1561345379-2429-11-git-send-email-skomatineni@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uh9ZiVrAOUUm9fzH" Content-Disposition: inline In-Reply-To: <1561345379-2429-11-git-send-email-skomatineni@nvidia.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org --uh9ZiVrAOUUm9fzH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jun 23, 2019 at 08:02:51PM -0700, Sowjanya Komatineni wrote: > This patch implements save and restore context for peripheral fixed > clock ops, peripheral gate clock ops, sdmmc mux clock ops, and > peripheral clock ops. >=20 > During system suspend, core power goes off and looses the settings > of the Tegra CAR controller registers. >=20 > So during suspend entry clock and reset state of peripherals is saved > and on resume they are restored to have clocks back to same rate and > state as before suspend. >=20 > Signed-off-by: Sowjanya Komatineni > --- > drivers/clk/tegra/clk-periph-fixed.c | 31 ++++++++++++++++++++++++++ > drivers/clk/tegra/clk-periph-gate.c | 34 ++++++++++++++++++++++++++++ > drivers/clk/tegra/clk-periph.c | 43 ++++++++++++++++++++++++++++++= ++++++ > drivers/clk/tegra/clk-sdmmc-mux.c | 30 +++++++++++++++++++++++++ > drivers/clk/tegra/clk.h | 8 +++++++ > 5 files changed, 146 insertions(+) Acked-by: Thierry Reding --uh9ZiVrAOUUm9fzH Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl0TRP0ACgkQ3SOs138+ s6HUlxAAg/MnASD5SEdQ3qYEq3xg2eWTdZZD+3JhKSO+AJM87Pcw4Q+k+vAaG5fC iZ1QPSnJwL6M8iyjlOwM+J9ZJR+0ZtrHlBZ2Ru+wvKbUCN3fBXg0n7iFEwtWfRwe 6nut9ykShtaLtoq7bg3XFJr4OmZONSj+tsXBDJnCYwHSHSerV/+ElJhB9U94I34s 52DayIuq6xO2DOqo3HCP6nOFRsev73+vFJSZHFxANWiDcMW4XzZ62wZJ6DQLUmuC vsdEE0SbCuUhPoAsC4G1sqB39EIg8eIgBKPgOlLuCc5TazZdglt3eGfjmsw+/AR9 6ezH/g9lKZ3h9JtZkkM1gckkj8TLpToP00VFV1m6KD3xLGsslhwPLAQT171Sphia pyLO8rxqaYyX9boAHOGsq03kFmlr6/uVHn3bxa/vhcsX5/iOzVGZUHwqC50ATm5R yHPx38hJIAQuFcv+OfSigkAOkXHhPAOSICisE/Mp8v5Ecb4bNF4H+GDpcgkSvrFp luAmTT/PLaixvu6B+r+BKbRpp8llcaAzMNS2I6YsnLGHupt6LuIzprwTxDQ1xcDm eZZH5kjMP8wBrynMHGdhnAYUIXgADVz07RLZ9E3Tr1Ur4yHBIJRHD5sUU/u5ILJI CLOaAS+4RVlCizUE7ILijzsWb19EmLpwcbB1GLCgK7FW3nae51s= =Fq1s -----END PGP SIGNATURE----- --uh9ZiVrAOUUm9fzH--