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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 AFDFFC3B18C for ; Thu, 13 Feb 2020 16:40:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8888724650 for ; Thu, 13 Feb 2020 16:40:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LOBGN7F6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728368AbgBMQkU (ORCPT ); Thu, 13 Feb 2020 11:40:20 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:34267 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728130AbgBMQkS (ORCPT ); Thu, 13 Feb 2020 11:40:18 -0500 Received: by mail-wr1-f65.google.com with SMTP id n10so5565280wrm.1; Thu, 13 Feb 2020 08:40:16 -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=OYWSVDDbY/UxSIzaZwoEm71Xw+c2/ceHjCKgkFAt7oc=; b=LOBGN7F6A+j/KSjmlfWKAL6xYBfzNY6jWq/aJt0gIVfRpWfAdpTomvbazv587FWCH4 b/jLQO2aILx3cSL6MH6XlveVUiXrJp6WYV6aTNox5A5uYyXlqIVkutunXN7PdA6YJPOM i+aDHTC0xR7l5mJ/0q0uMx9lDOtuH3TWZHMCaoCbk66JMPp0T5lUh7rYwEluVoxipwhJ 2pcEfBwmhfTLC0DSn6OjH7g5Bp4TdoXUJEIVC8r3n+XEZin08tulv6BagQSY7vXyS1TU JAKfqoLYunkSTGldInLrCBlTL/PXTyG92O15pRv6cFXwf8qlxemwTUTMZSDK0OTHSMuz D5EQ== 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=OYWSVDDbY/UxSIzaZwoEm71Xw+c2/ceHjCKgkFAt7oc=; b=oTSl85e5xtgWCDRSbj34m7KqUWBvjBOGtq2Pqfr4OuanZxWuiw/UzZSLTdjbWgMpA7 ZPgUnfi+6jzu7HBnuty5u9wppk/yAX7bHkIUA9WVClaLrDkKurxajgukjnaRMQ/wbzxW sgs522F8QeC2wLDw2xmPe+qEA5HJUvTr/qqrBSn5pkat6ga0gifedTN5meKPF6tKErAu 7vr24b8ONWiMDpKqKL1Kqb8tJ0lOOXM3QNr4/ognjSlzkLqzVwwImpvHlPQZ3iiTS7yn Dae3tbUyW2o+7ipgXFWEfAwAV456Wc3hbklwCeVVxhqYiEoQJ7wPtQef/PJkd4RiMVne /2fg== X-Gm-Message-State: APjAAAUq0UvBhtdx5jLQRYt/ljH3Z7GbiMAVkOTxfekzC5UuUphkDq54 sjkDtOzUBCvkD9D+PPZKo5U= X-Google-Smtp-Source: APXvYqwcKc8OQOLbjhzBWeyXihMSClM0SSK/ywAQmwsvkxrLdQEL2WkFxm0wyd0LYcMkdI11IjjTZg== X-Received: by 2002:a5d:6151:: with SMTP id y17mr22130398wrt.110.1581612015663; Thu, 13 Feb 2020 08:40:15 -0800 (PST) Received: from localhost (p2E5BEF3F.dip0.t-ipconnect.de. [46.91.239.63]) by smtp.gmail.com with ESMTPSA id o9sm592460wrw.20.2020.02.13.08.40.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Feb 2020 08:40:14 -0800 (PST) From: Thierry Reding To: Arnd Bergmann , Will Deacon , Robin Murphy , Rob Herring Cc: Joerg Roedel , Olof Johansson , linux-tegra@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 4/5] memory: tegra186: Register as memory controller Date: Thu, 13 Feb 2020 17:39:58 +0100 Message-Id: <20200213163959.819733-5-thierry.reding@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200213163959.819733-1-thierry.reding@gmail.com> References: <20200213163959.819733-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thierry Reding Registering as memory controller allows other drivers to obtain a reference to it. This is mostly useful as a way of ordering probe between devices depending on one another. Signed-off-by: Thierry Reding --- drivers/memory/tegra/tegra186.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index 5d53f11ca7b6..8c43702340e8 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -4,6 +4,7 @@ */ #include +#include #include #include #include @@ -32,6 +33,7 @@ struct tegra186_mc_soc { }; struct tegra186_mc { + struct memory_controller base; struct device *dev; void __iomem *regs; @@ -1532,13 +1534,18 @@ static int tegra186_mc_probe(struct platform_device *pdev) return -ENOMEM; mc->soc = of_device_get_match_data(&pdev->dev); + mc->dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); mc->regs = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(mc->regs)) return PTR_ERR(mc->regs); - mc->dev = &pdev->dev; + mc->base.dev = &pdev->dev; + + err = memory_controller_register(&mc->base); + if (err < 0) + return err; err = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); if (err < 0) -- 2.24.1