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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27000C433EF for ; Sat, 22 Jan 2022 09:23:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cA4VHI2Nh6QHjcZnX9TvJA5XPIoK2esxaO6jbrkmuUY=; b=c7g8MWunYidDIy WUdG8J3cULbuDEB/WGcqRaoqKTAzAjJqwZuJaqFz6AvhwUOETDrZU93AQfkE9Hgf5V2d82e+PpXh2 f3bZ+ws6/W7NfDxDLDegun5fSsAjA9XnvbU2KYep2Huet0CGKH3eP6cgnaCkuf+S6m86ZS6T3hBAg BuzfLyxCSXTNKQsdbEWIYZqbz5s0xwnkmJGrLFt8+WWuN1FGNh7/TFLlhqpIhfe2ulprQA0OB1Ku3 ilvIUjcZJruGYReOFfthC8FPI08Upc6bcbt2JfZtZhWfS9iTw3UXTCwv8b0kXM/SCTWwf1rzF6G/p Apg/48HPvN7AQKT/VYhw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nBCaW-00GtHr-Ad; Sat, 22 Jan 2022 09:21:36 +0000 Received: from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nBCX7-00GrUY-CC for linux-arm-kernel@lists.infradead.org; Sat, 22 Jan 2022 09:18:07 +0000 Received: by mail-pf1-x429.google.com with SMTP id v74so7811823pfc.1 for ; Sat, 22 Jan 2022 01:18:04 -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=3QDkw6hKuh9A5bW2X56div0eoUC0aWY4eb0X4EhRe1w=; b=UUTVvh9xTtBDXrtDwIiLvMdkg+B8Tbj/3HJzIjqASRfr6Rbi1x7UfyjSAiJJf/GKxJ nextzHuxXDZCB5RNB3kw6NBl27kC1oIqB6QwWHjnnw+PBXKcNaC8qWcx6FrpfUxDYR4U Zed+yxwix8JIPX7rU2yILjRCGyE8BJiokJXkQ= 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=3QDkw6hKuh9A5bW2X56div0eoUC0aWY4eb0X4EhRe1w=; b=q8j4EVAuNJUt7R3PExfs3oM9NIm1rETiDGyx5XChxWI/ZVOYkorPcJS2cYgJz+uRJn 8eHPyynci7W/h9Z3rXmpysEsA0hFH5xTll9YeOpm0l4OLoaz8Bog1ziARG+UUB0kzt8j YfHE8S4VqpqDbFcAi5+70He2IYt3kj6xzLk8S5jTSYvnVpjGOOuXFU+TKXk2cWArKlF8 r1OYdMYro2Kc9sytsqMThJ1NLS475yr4OzYqksNR5an+vO2fDKf4qILCvu1LLVPCNQ4V yzfV8ewh4cgNqz9m4PQLFI27nTaD56IC3F3lwdDOoDXh5Z1uM4dw/oldgFaKcCa6QTWC o05g== X-Gm-Message-State: AOAM531ThOWl3eD9v+HxrBmuZGe9H9iGsWpY6tPqX6OOe8lbWmAuKvrS b9hf+0CwOQd37FJqc5eUmZqtiQ== X-Google-Smtp-Source: ABdhPJxEsfTKz2/apvu31D0HBDJq0EjZ3iVczEuZeKOKltbSUG6IuziGeOgA3YqrYKwP877YBCdRoA== X-Received: by 2002:a63:5607:: with SMTP id k7mr5583895pgb.190.1642843084589; Sat, 22 Jan 2022 01:18:04 -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.42.2022.01.22.01.18.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Jan 2022 01:18:04 -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 09/31] clk: mediatek: mux: Implement unregister API Date: Sat, 22 Jan 2022 17:17:09 +0800 Message-Id: <20220122091731.283592-10-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220122_011805_459561_625A4896 X-CRM114-Status: GOOD ( 14.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The mux clk type within the MediaTek clk driver library only has a register function, and no corresponding unregister function. This means there is no way for its users to properly implement cleanup and removal. Add a matching unregister function for the mux type clk. Signed-off-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mux.c | 35 ++++++++++++++++++++++++++++++++++ drivers/clk/mediatek/clk-mux.h | 3 +++ 2 files changed, 38 insertions(+) diff --git a/drivers/clk/mediatek/clk-mux.c b/drivers/clk/mediatek/clk-mux.c index 89f23e111d91..6f0c22a699c3 100644 --- a/drivers/clk/mediatek/clk-mux.c +++ b/drivers/clk/mediatek/clk-mux.c @@ -164,6 +164,21 @@ static struct clk *mtk_clk_register_mux(const struct mtk_mux *mux, return clk; } +static void mtk_clk_unregister_mux(struct clk *clk) +{ + struct mtk_clk_mux *mux; + struct clk_hw *hw; + + hw = __clk_get_hw(clk); + if (!hw) + return; + + mux = to_mtk_clk_mux(hw); + + clk_unregister(clk); + kfree(mux); +} + int mtk_clk_register_muxes(const struct mtk_mux *muxes, int num, struct device_node *node, spinlock_t *lock, @@ -198,4 +213,24 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes, } EXPORT_SYMBOL_GPL(mtk_clk_register_muxes); +void mtk_clk_unregister_muxes(const struct mtk_mux *muxes, int num, + struct clk_onecell_data *clk_data) +{ + int i; + + if (!clk_data) + return; + + for (i = num; i > 0; i--) { + const struct mtk_mux *mux = &muxes[i - 1]; + + if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) + continue; + + mtk_clk_unregister_mux(clk_data->clks[mux->id]); + clk_data->clks[mux->id] = ERR_PTR(-ENOENT); + } +} +EXPORT_SYMBOL_GPL(mtk_clk_unregister_muxes); + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mux.h b/drivers/clk/mediatek/clk-mux.h index 27841d649118..cb2ac4f04c58 100644 --- a/drivers/clk/mediatek/clk-mux.h +++ b/drivers/clk/mediatek/clk-mux.h @@ -88,4 +88,7 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes, spinlock_t *lock, struct clk_onecell_data *clk_data); +void mtk_clk_unregister_muxes(const struct mtk_mux *muxes, int num, + struct clk_onecell_data *clk_data); + #endif /* __DRV_CLK_MTK_MUX_H */ -- 2.35.0.rc0.227.g00780c9af4-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel