From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.3 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 3680D7D082 for ; Wed, 24 Oct 2018 03:07:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726324AbeJXLdm (ORCPT ); Wed, 24 Oct 2018 07:33:42 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:41887 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725826AbeJXLdm (ORCPT ); Wed, 24 Oct 2018 07:33:42 -0400 Received: by mail-pf1-f195.google.com with SMTP id a19-v6so1678854pfo.8 for ; Tue, 23 Oct 2018 20:07:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HoUgDeYGHgBozPF8BvR8CllNS3AMMSk3lQsJUo6v4lQ=; b=GWXU0gFJkxJKX37VY0PH8faOcJgPAk2h2QOJhmZvHjkvV33ad3FvB/6nc45ofMG8Mp SE49qCNaKFsYCM/r7GbTA5qB6CfBoDup0AImuNY2v1E82Xpq7N4+6p/ofA4vDlfdn/Vs aMySpjcm9euNg5ToOvba7Td9QO9M2lb+v+wXE= 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=HoUgDeYGHgBozPF8BvR8CllNS3AMMSk3lQsJUo6v4lQ=; b=DnMN6We7cXeGIEVyXrXB445ZANzPc57W/Re93AreFQDYsXGqLXumFt3W4N9wSYcgcu 6JviFJJjnyEApkUAUERhTjFGQapGa/N/3vmlIO70S2fOE8dxy88KHw9VDKeKVaBfnjXK Nayndmqpbv5nzaWtyTHEbhN85612RJ1wDv5Is3nOcmSYBs7aFeHZJmyD44nPV/KhSHVK qQzwgV/kMrAaY6+ZPcU7x6oPPoEkK/RQffFE33x54/2vkkwCi9E+C0vdZLWx3HdHFcti pnKKtDsbiyN/HXG3xXzazjQ33sT1juviiHdDin/hPULSbzsYCKYidlulkjer1FuNJjBb dH2Q== X-Gm-Message-State: AGRZ1gKiAju5oxYdtOyTHG0WfzJWLdH9xfCVZdq4B3g9CJpnqiJ1a/hv Y9QcLWWXGhjIdVnx0kDqV2WE8qWexAA= X-Google-Smtp-Source: AJdET5ezXFxvRDBDYDo41GXToJDTkUsqNwxqKxsspVnyYcmp5mbR44Btd+lDInTNkrKhw21HO5BGpg== X-Received: by 2002:a63:64c:: with SMTP id 73mr596598pgg.373.1540344700541; Tue, 23 Oct 2018 18:31:40 -0700 (PDT) Received: from exogeni.mtv.corp.google.com ([2620:15c:202:1:5e2b:39df:72ed:4968]) by smtp.gmail.com with ESMTPSA id p4-v6sm3882341pfg.188.2018.10.23.18.31.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Oct 2018 18:31:39 -0700 (PDT) From: Derek Basehore To: linux-kernel@vger.kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-doc@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, heiko@sntech.de, aisheng.dong@nxp.com, mchehab+samsung@kernel.org, corbet@lwn.net, Derek Basehore Subject: [PATCH 0/6] Coordinated Clks Date: Tue, 23 Oct 2018 18:31:26 -0700 Message-Id: <20181024013132.115907-1-dbasehore@chromium.org> X-Mailer: git-send-email 2.19.1.568.g152ad8e336-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Here's the first set of patches that I'm working on for the Common Clk Framework. Part of this patch series adds a new clk op, pre_rate_req. This is designed to replace the clk notifier approach that many clk drivers use right now to setup alt parents or temporary dividers. This should allow for the removal of the CLK_RECALC_NEW_RATES flag and the implementation of a better locking scheme for the prepare lock. Derek Basehore (5): clk: fix clk_calc_subtree compute duplications clk: change rates via list iteration clk: add pre clk changes support docs: driver-api: add pre_rate_req to clk documentation clk: rockchip: use pre_rate_req for cpuclk Stephen Boyd (1): clk: Remove recursion in clk_core_{prepare,enable}() Documentation/driver-api/clk.rst | 7 +- drivers/clk/clk.c | 484 +++++++++++++++++++++++-------- drivers/clk/rockchip/clk-cpu.c | 256 ++++++++-------- include/linux/clk-provider.h | 10 + 4 files changed, 509 insertions(+), 248 deletions(-) -- 2.19.1.568.g152ad8e336-goog