From patchwork Wed Nov 4 23:44:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11882471 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9FF33921 for ; Wed, 4 Nov 2020 23:47:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 772A221527 for ; Wed, 4 Nov 2020 23:47:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TONR2+QY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733301AbgKDXrS (ORCPT ); Wed, 4 Nov 2020 18:47:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733146AbgKDXp2 (ORCPT ); Wed, 4 Nov 2020 18:45:28 -0500 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3E11FC0613CF; Wed, 4 Nov 2020 15:45:28 -0800 (PST) Received: by mail-lj1-x241.google.com with SMTP id t13so277303ljk.12; Wed, 04 Nov 2020 15:45:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=q04sc3lZzk/7Y2Vrk729DLPvzmihTnah64pqG8qeyNY=; b=TONR2+QYbapieLnDTf0Jk1QPqXZDWAjT9sIbfsQFU3S1ETVVTGWoJK1Ebv6MvCDAxu iFk8mmpyuk40cSTU2xGCAu0IvpyN9KggSBaUQ0HHUcphlkxTbwyPOPgcJyrtemqawCUZ IzkDtKXECzbZCA4IZob2ibn2+8dNPZTXjcCGMnrjW2yoErdNbjFSO1mXDS+eEXyo3O1Q MiuzyQ7fZ3tJFl2zUxr54tAVzMmTWH5TTg40i9bJj1HAViKxiTpO4EWYns9q1Jeg+pQs KLY3Dznjpa3LVkpFr2X2vcRQjrEZceJCA+H2N4jXkG7kOszuNZZdKNm3I1X6sEtQCAK/ tPBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=q04sc3lZzk/7Y2Vrk729DLPvzmihTnah64pqG8qeyNY=; b=ttrFGMrWo9Od/wPrCniM+u/qV/rAbQdlShPfD/6ngGAWCvxiBSowQwPuWr0r8ZOFr3 gvonxSBk/utw+vFWWs8NR2il8NtUI4BzhMJ5fhRovdKu3VcTjmShpjOspVBiCpGd9Rmt 6AaqHwr4QxvA5CeoaPesgnqUZQPBBrGkNKmgvAoB3yVhJa3+9IVZTG2naz7JPkHi6oS6 10oVLuXuxaIkC0KQObw0E7gzSq/5pndSUmSb98ULAx5+DOcjVI+m7RZ2FIrhsYs6N3qS BMt6Kllc1Ug4wwtcE5mm2pwTEKtXxP+o0MmisnyRvP3dxjWXE73OSO3nIIt+j2pm4UxI sCBQ== X-Gm-Message-State: AOAM533mOLmZl8T0f4DQ5Gb+GOSKyCtl2cOqNok+cEE3buXOAaSjWi5i CibJ1gGLTjMmXLiRMvQHLUzhLe0YfBs= X-Google-Smtp-Source: ABdhPJy4JvIN2UzMvC1UGoXxnZuYWhG4YhonA0JFk9Z9oJ2zbTum5L2HXCOgLCmGf47Q0qaQDlrH3A== X-Received: by 2002:a2e:a41b:: with SMTP id p27mr161088ljn.30.1604533526786; Wed, 04 Nov 2020 15:45:26 -0800 (PST) Received: from localhost.localdomain (109-252-192-83.dynamic.spd-mgts.ru. [109.252.192.83]) by smtp.gmail.com with ESMTPSA id m6sm640725ljc.112.2020.11.04.15.45.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 15:45:26 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Alan Stern , Peter Chen , Mark Brown , Liam Girdwood , Adrian Hunter , Krzysztof Kozlowski , Greg Kroah-Hartman , Lee Jones , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Marek Szyprowski , Peter Geis , Nicolas Chauvet Cc: linux-samsung-soc@vger.kernel.org, devel@driverdev.osuosl.org, linux-usb@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v1 22/30] memory: tegra20-emc: Support Tegra SoC device state syncing Date: Thu, 5 Nov 2020 02:44:19 +0300 Message-Id: <20201104234427.26477-23-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201104234427.26477-1-digetx@gmail.com> References: <20201104234427.26477-1-digetx@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Sync driver state using the Tegra SoC device state syncing API, telling to regulators voltage coupler that EMC state is ready for DVFS. This is required for enabling system-wide DVFS on Tegra20. Tested-by: Nicolas Chauvet Signed-off-by: Dmitry Osipenko --- drivers/memory/tegra/tegra20-emc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 9946b957bb01..b1b0a2439689 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -1129,6 +1129,12 @@ static int tegra_emc_probe(struct platform_device *pdev) return err; } +static void tegra_emc_sync_state(struct device *dev) +{ + tegra_soc_device_sync_state(dev); + icc_sync_state(dev); +} + static const struct of_device_id tegra_emc_of_match[] = { { .compatible = "nvidia,tegra20-emc", }, {}, @@ -1141,7 +1147,7 @@ static struct platform_driver tegra_emc_driver = { .name = "tegra20-emc", .of_match_table = tegra_emc_of_match, .suppress_bind_attrs = true, - .sync_state = icc_sync_state, + .sync_state = tegra_emc_sync_state, }, }; module_platform_driver(tegra_emc_driver);