From patchwork Thu Apr 11 22:02:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 10896991 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 39F371708 for ; Thu, 11 Apr 2019 22:04:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 265C028B05 for ; Thu, 11 Apr 2019 22:04:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 249B928B20; Thu, 11 Apr 2019 22:04:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D313A28C66 for ; Thu, 11 Apr 2019 22:04:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbfDKWEY (ORCPT ); Thu, 11 Apr 2019 18:04:24 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:41413 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726633AbfDKWEY (ORCPT ); Thu, 11 Apr 2019 18:04:24 -0400 Received: by mail-lj1-f193.google.com with SMTP id k8so6964791lja.8; Thu, 11 Apr 2019 15:04:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8kOiHton9XjNoDME7TA4eAnGiiD7GSpxhZNjS2xvlUY=; b=MEPnvYOnnKtFqUpgQM4ilIpHgLMR9E/d3tVcGf1J4tHnvR+3OAG9TrLf7548/pJNlu nAbWoiwzv8nvu8zyFOpq8D6K76gxRo3ZpgC0/Q6m5c0ZTNbXLmczUG/o15ddA9304LAE 0ZA4CjP90DXGIR86GQNRq7GbMft78i5WEs5Khak5Pcaa5g5eSgJbrVd4iGPmZIPudFIZ 1/q+H0TSGUKbx/wEQ3WXwXpMnu/yDComAtXyRl8uRgDf2n15zoE/c8uxy0O5aj5kPtzi jRSGwE3s65VK8siCXBx3LoW1XeS13cyBgNue8x7N84rK4y2cQiMA4CiD2jApCgcOim+A b24Q== 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:mime-version :content-transfer-encoding; bh=8kOiHton9XjNoDME7TA4eAnGiiD7GSpxhZNjS2xvlUY=; b=s+Nhn+ZSxBhKLQDFSJMRRo7WsVJjXzH+BmI07+ZC7L++iN44Uh7KAzOu38swDTKj34 PJ6I+fkn6X+OdIUr4ja3MIXKmqKZDB46OR8EUhfwP8BSJHT7h16kp5JUzcCZh7euV31G Pu+OvdANn1sZU7qV6SX4H+RFE/TwB3h6A7BKbA7AgK0jGx4l0hBdAibfPXd8l+ZWYrfQ nQ3ikT85sgdscediJKK6ieIA1iPn+JELYgQ8RyYESc3vxo21z1MW4SXRvqnykWQaslxe /NzCkrNRwe9/RqD+qjHGuf6A0xGglP9ZUHiU7JmV34XTCDO0vqyzvZMR3NbqAcRuP+fN sKZg== X-Gm-Message-State: APjAAAX8OH+CIsYQbrxmumY0uF5z0r/8O+23RQmog804X/sjW8d8Bnek Htw6loj0HfYNauc2NR6REko= X-Google-Smtp-Source: APXvYqyobIY1Ezoe9o8hcuJMyWc/5zlAoTGgmYT+H/1aKuxfFjVMBBzBdoKIehf6e54ML/HnRwGUTw== X-Received: by 2002:a2e:864f:: with SMTP id i15mr29904580ljj.99.1555020262465; Thu, 11 Apr 2019 15:04:22 -0700 (PDT) Received: from localhost.localdomain (ppp94-29-35-107.pppoe.spdop.ru. [94.29.35.107]) by smtp.gmail.com with ESMTPSA id e18sm7887808ljb.12.2019.04.11.15.04.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Apr 2019 15:04:21 -0700 (PDT) From: Dmitry Osipenko To: Peter De Schrijver , Prashant Gaikwad , Michael Turquette , Stephen Boyd , Thierry Reding , Jonathan Hunter , Joseph Lo Cc: linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/5] clk: tegra: EMC/MC clock fixes and improvements Date: Fri, 12 Apr 2019 01:02:25 +0300 Message-Id: <20190411220230.21726-1-digetx@gmail.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hello, I was helping with fixing EMC clock scaling on T124 Nyan Big and in process found some weak points in the code. Primarily the ram code parsing didn't work if device-tree defines memory timings for multiple ram codes and after fixing that I spotted few other things that could be improved. Dmitry Osipenko (5): clk: tegra: emc: Don't enable EMC clock manually clk: tegra: emc: Support multiple ram codes parsing clk: tegra: emc: Fix EMC max-rate clamping clk: tegra: emc: Replace BUG() with WARN_ONCE() clk: tegra: divider: Mark Memory Controller clock as read-only drivers/clk/tegra/clk-divider.c | 5 +-- drivers/clk/tegra/clk-emc.c | 57 ++++++++++++++++++++------------- 2 files changed, 38 insertions(+), 24 deletions(-)