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 9FEEFC433F5 for ; Sat, 22 Jan 2022 09:31:20 +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=ldz3x3b2k8ur3u0D8JkcuLFcblNuajUYyGbDSSOS4kk=; b=WGKGpQrKrnpWng q/GcDgsxJktQk8ke5wFd4jGqC+4rXBAcI8mu9ZH4uGyeoX4yfgIb2qMDQ9fzZUgw+7u3stsepsZuv IIegAQwYuc/g1BDtJKfKFDicHjdiTgZ6gm6TI6F+KDaxoRHrw+ev6lT9XWm23neTqLFNFWeI4Y6SO UIwpmSGIAOWLtvps2wnvjpev5RZyXAI2pOf+ATdLUbMQM1hq5kI8jc4Qq6wzfdQJse2cYN1jpfJaS IZbTKQr6/LrWqPyRQxe46Mmr+gDX3854m5BYUdGkiBPjPldSgD0GkojZomixYzgEGvxGJ8wrTxeEB oS+TBJMu7YthWQ8g560g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nBCiF-00Gwbx-Pv; Sat, 22 Jan 2022 09:29:36 +0000 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nBCXR-00Gri2-4Y for linux-arm-kernel@lists.infradead.org; Sat, 22 Jan 2022 09:18:26 +0000 Received: by mail-pl1-x634.google.com with SMTP id d7so10867431plr.12 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=XE2RWEYKUuKk2+7nfiyV0yNoqeSpXThDANI4wkrf94iCA63iC9tBwAV9ffm4bRJ2Qq G7YqSMwwHItDkp779FCF0jZI3NKAlOedhKFCXQInI/TZw+j5Eq9ttu7gL1c6tYroWJR9 Alse6OH6Za4nLFUROdmgJi4UxYxP3KMNGvtNmuWOZoj25GICdogGIxLYR4O3V+WyHkpe Az1wYQx8OVnFadEpdyeAcj/e7BBi70tT1iy07xyUnGLd1CDu9EwpBNj+t8GfGsXPcF2E SAsxtugYfDcF9g4tFd3pJJ616/e5OlNFLmPlE7VNVEj+IPCxCX5qF2SU1QWEFVtEAWd4 RNyg== X-Gm-Message-State: AOAM533FLNIGloGgnj4Iq8MuZytbn5AaIilgSSMeNF6FiSqi8pXRPZK1 B0zSUFOXanbUkOYEOpXwOfIlOA== 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220122_011825_212978_9199F80F X-CRM114-Status: GOOD ( 14.77 ) 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel