From patchwork Tue Mar 5 04:49:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Derek Basehore X-Patchwork-Id: 10838955 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 16D5E1669 for ; Tue, 5 Mar 2019 04:50:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0270E2B780 for ; Tue, 5 Mar 2019 04:50:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F41082BC69; Tue, 5 Mar 2019 04:50:40 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A93742B780 for ; Tue, 5 Mar 2019 04:50:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QPT4dnH+FoxIm2sZFTIQXN1lvdn1CdvWO/Q2EArLpzQ=; b=hrxHQvWl0sG97k MCnMLXWTAoLPLFDZ44ABNKVui7qmrNGWlWgRbqGFmxJNUj1wPfs4HsZjZPAZrueFGfhfxPLb+c4YT jGR3oF1vmMJNvIW+gLLdLhWqFUcCIDojZ7HVqU1xfgP8VsdFUC9GW2UDYwbJtB8Fy7BlGWF2n6PQ4 kyX7qYFo1ffrpfKsFheLef0EhC88Df7KEYfwtFcujlgbvYryvA1dXPvDMhy5pxoBWlWoqzcp2jb/4 A+eHioMkF3AdtgmKa+p1jfjbNorYlSC1ePmoEi7d6Gln0G9+VIokVruv3VXIgozNWmYMlCVPo1zLR BxRU/aRx0tVKLT1BVf9w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h122H-00029Q-24; Tue, 05 Mar 2019 04:50:37 +0000 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h121U-0008Ri-GM for linux-rockchip@lists.infradead.org; Tue, 05 Mar 2019 04:49:50 +0000 Received: by mail-pf1-x441.google.com with SMTP id d25so4700882pfn.8 for ; Mon, 04 Mar 2019 20:49:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WrWa1I1KlS8O2M5oWvlBrE0dGk9UBUElSbe4mXouqcQ=; b=Jq19CoHMlSEmGOgfXTJSaz1flGHi6N50sqGo7PIDHDRoGZ68zEJfMhw9nYvM6RWcRX VRy+4rAjQXlHd63YnL18K5KvqCSAILA2ae0Exe6q4dA+WRqego50j/8h0LqoW3CFwluX 9Prt7O19nyKUjf7ofAUR4Hqb9wbxV5PtYm4PA= 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=WrWa1I1KlS8O2M5oWvlBrE0dGk9UBUElSbe4mXouqcQ=; b=tdSSASpT0bPtICLYj56ab2HswlRobdYjIkG7afij2VwhJVCKYhl+Db+jV2WsjDe6TN RMy5QU4qQuCLHvrexA6HOg000Cvhz+2ZbZoou3jNWLjcJEzgEkV3deJFIQJf6H85PGbx cpjpDcfjzq+G7CteR3GPQczjxWt0ksCZGvteb7VEL8iFzaGf1J6kbr/Sm67oQ3s6c3YF xt61Ac/1fpFVXi1tnZ3N4/0A4su9fdBynxuax+4He8njm0d3kKVz6B9j0d09n7p8h3TA N5NfLUddg/9v3BdiMVJDrMgv8iW/2Zq6Q/eNKOJm+erwGM4REsnBGwLzWekYlKmCWspc qVew== X-Gm-Message-State: APjAAAWfxdYXSwXE7avB9MghIJXoa/aEpzckrDDXCVmrqxN3OzUIgrnx x36tCRV5z+3aem3pH0EA5yJPwg== X-Google-Smtp-Source: APXvYqxDX14Cia3IBVPkEaxEtMWwSwJovoamIP4HvycxEA3628n/4HnTYgRe/72ey0QB8nrmzdrjcw== X-Received: by 2002:a62:2b88:: with SMTP id r130mr23596219pfr.93.1551761388046; Mon, 04 Mar 2019 20:49:48 -0800 (PST) Received: from exogeni.mtv.corp.google.com ([2620:15c:202:1:db8d:8e3f:2514:5db8]) by smtp.gmail.com with ESMTPSA id z15sm15893883pgc.25.2019.03.04.20.49.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Mar 2019 20:49:47 -0800 (PST) From: Derek Basehore To: linux-kernel@vger.kernel.org Subject: [PATCH v2 5/6] docs: driver-api: add pre_rate_req to clk documentation Date: Mon, 4 Mar 2019 20:49:35 -0800 Message-Id: <20190305044936.22267-6-dbasehore@chromium.org> X-Mailer: git-send-email 2.21.0.352.gf09ad66450-goog In-Reply-To: <20190305044936.22267-1-dbasehore@chromium.org> References: <20190305044936.22267-1-dbasehore@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190304_204948_579560_E881A961 X-CRM114-Status: GOOD ( 10.46 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, Derek Basehore , heiko@sntech.de, linux-doc@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, corbet@lwn.net, linux-rockchip@lists.infradead.org, mchehab+samsung@kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This adds documentation for the new clk op pre_rate_req. Signed-off-by: Derek Basehore --- Documentation/driver-api/clk.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/driver-api/clk.rst b/Documentation/driver-api/clk.rst index 593cca5058b1..917f6ac29645 100644 --- a/Documentation/driver-api/clk.rst +++ b/Documentation/driver-api/clk.rst @@ -82,6 +82,9 @@ the operations defined in clk-provider.h:: unsigned long *parent_rate); int (*determine_rate)(struct clk_hw *hw, struct clk_rate_request *req); + int (*pre_rate_req)(struct clk_hw *hw, + const struct clk_rate_request *next, + struct clk_rate_request *pre); int (*set_parent)(struct clk_hw *hw, u8 index); u8 (*get_parent)(struct clk_hw *hw); int (*set_rate)(struct clk_hw *hw, @@ -224,6 +227,8 @@ optional or must be evaluated on a case-by-case basis. +----------------+------+-------------+---------------+-------------+------+ |.determine_rate | | y [1]_ | | | | +----------------+------+-------------+---------------+-------------+------+ + |.pre_rate_req | | y [1]_ | | | | + +----------------+------+-------------+---------------+-------------+------+ |.set_rate | | y | | | | +----------------+------+-------------+---------------+-------------+------+ +----------------+------+-------------+---------------+-------------+------+ @@ -238,7 +243,7 @@ optional or must be evaluated on a case-by-case basis. |.init | | | | | | +----------------+------+-------------+---------------+-------------+------+ -.. [1] either one of round_rate or determine_rate is required. +.. [1] one of round_rate, determine_rate, or pre_rate_req is required. Finally, register your clock at run-time with a hardware-specific registration function. This function simply populates struct clk_foo's