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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52D10C433EF for ; Sat, 22 Jan 2022 09:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234192AbiAVJTO (ORCPT ); Sat, 22 Jan 2022 04:19:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234213AbiAVJSh (ORCPT ); Sat, 22 Jan 2022 04:18:37 -0500 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19A67C06175D for ; Sat, 22 Jan 2022 01:18:25 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id c3so10891310pls.5 for ; Sat, 22 Jan 2022 01:18:25 -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=/W+xKFLd9pAMfBNMVJ4svP7XH9i2778pmii7z75+YJU=; b=gGYae5caEwlDlR3SVSNgX/JX1yhbQuv8yWgfZAa2aQstNGgg3l5EKYMgRQhKmoQSgY hae5FE9AcZC/I7yfenInwQdl6GqU1xGGl44VsdAoRBX4Pzp711KfRxPc7RplsHvYkLiN GRkaRSRjncUeyzOms95i9xiNVQSLxX0+flLBA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/W+xKFLd9pAMfBNMVJ4svP7XH9i2778pmii7z75+YJU=; b=cFSP4l80vtFEF+HUOjzH4/2D3PkhD6ENYqtCUFSpR13NsBW5f7t97cRNEXsZyZbDPp xCKu8RFfxVqF6d7WUCwApl/l2swQFFPhr+UalEad/TJLmLYTyrhXNvpIE+eOwzyUaYD/ wsqphvM3Df9jliiyazSnfQco13OOOMMtY9Cy1+J890O+uFS8WANp0Nx9J7Uib81ArQmy 8L/9BRq9qRHL+3ktzr1ctpclD9PrwsBCG0rzKz8V3YzGTh3oCEpB0fbK7AHn+5cPdh57 laSGiD1aoXKZ/HY8l6ruWgXde3jDHAeI8jiU+BJ2sPtD8wAXJVTzA57fbWJWxVbOjyAu 6ogw== X-Gm-Message-State: AOAM530XrZbQThQ/6HRWqGrAuQw70BxmwJZOT9X3Xbmk0VJ/+d7746fE 1kb8ouv0v7m+cdG+o63h8kEM6Q== X-Google-Smtp-Source: ABdhPJyv5T92Xosh6p3+LrrmQcfNNuzhflROpfIIbeG/5n22BfU1WA+DYYiAH5puDGFs3fs6pmQlWA== X-Received: by 2002:a17:90a:9488:: with SMTP id s8mr4431625pjo.40.1642843104700; Sat, 22 Jan 2022 01:18:24 -0800 (PST) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:349f:9373:45d9:eb26]) by smtp.gmail.com with ESMTPSA id s1sm1608100pjn.42.2022.01.22.01.18.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Jan 2022 01:18:24 -0800 (PST) From: Chen-Yu Tsai To: Stephen Boyd , Michael Turquette , Matthias Brugger Cc: Chen-Yu Tsai , Chun-Jie Chen , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 18/31] clk: mediatek: Implement mtk_clk_unregister_composites() API Date: Sat, 22 Jan 2022 17:17:18 +0800 Message-Id: <20220122091731.283592-19-wenst@chromium.org> X-Mailer: git-send-email 2.35.0.rc0.227.g00780c9af4-goog In-Reply-To: <20220122091731.283592-1-wenst@chromium.org> References: <20220122091731.283592-1-wenst@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org mtk_clk_register_composites(), as the name suggests, is used to register a given list of composite clks. However it is lacking a counterpart unregister API. Implement said unregister API so that the various clock platform drivers can utilize it to do proper unregistration, cleanup and removal. In the header file, the register function's declaration is also reformatted to fit code style guidelines. Signed-off-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mtk.c | 41 ++++++++++++++++++++++++++++++++++ drivers/clk/mediatek/clk-mtk.h | 2 ++ 2 files changed, 43 insertions(+) diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index 3a6dfe445e63..2150ed8678e0 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -233,6 +233,27 @@ struct clk *mtk_clk_register_composite(const struct mtk_composite *mc, return ERR_PTR(ret); } +static void mtk_clk_unregister_composite(struct clk *clk) +{ + struct clk_hw *hw = __clk_get_hw(clk); + struct clk_composite *composite = to_clk_composite(hw); + struct clk_mux *mux = NULL; + struct clk_gate *gate = NULL; + struct clk_divider *div = NULL; + + if (composite->mux_hw) + mux = to_clk_mux(composite->mux_hw); + if (composite->gate_hw) + gate = to_clk_gate(composite->gate_hw); + if (composite->rate_hw) + div = to_clk_divider(composite->rate_hw); + + clk_unregister_composite(clk); + kfree(div); + kfree(gate); + kfree(mux); +} + void mtk_clk_register_composites(const struct mtk_composite *mcs, int num, void __iomem *base, spinlock_t *lock, struct clk_onecell_data *clk_data) @@ -259,6 +280,26 @@ void mtk_clk_register_composites(const struct mtk_composite *mcs, } EXPORT_SYMBOL_GPL(mtk_clk_register_composites); +void mtk_clk_unregister_composites(const struct mtk_composite *mcs, int num, + struct clk_onecell_data *clk_data) +{ + int i; + + if (!clk_data) + return; + + for (i = num; i > 0; i--) { + const struct mtk_composite *mc = &mcs[i - 1]; + + if (IS_ERR_OR_NULL(clk_data->clks[mc->id])) + continue; + + mtk_clk_unregister_composite(clk_data->clks[mc->id]); + clk_data->clks[mc->id] = ERR_PTR(-ENOENT); + } +} +EXPORT_SYMBOL_GPL(mtk_clk_unregister_composites); + void mtk_clk_register_dividers(const struct mtk_clk_divider *mcds, int num, void __iomem *base, spinlock_t *lock, struct clk_onecell_data *clk_data) diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index e3ae22fb0334..3c3a934f53cd 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -153,6 +153,8 @@ struct clk *mtk_clk_register_composite(const struct mtk_composite *mc, void mtk_clk_register_composites(const struct mtk_composite *mcs, int num, void __iomem *base, spinlock_t *lock, struct clk_onecell_data *clk_data); +void mtk_clk_unregister_composites(const struct mtk_composite *mcs, int num, + struct clk_onecell_data *clk_data); struct mtk_clk_divider { int id; -- 2.35.0.rc0.227.g00780c9af4-goog