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 2D4D6C63682 for ; Wed, 26 Jan 2022 07:12:52 +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=H8SKyEDUG843InJhoVbfCi2fBMOcyWj2groSCGKFFJQ=; b=X9Wq01GNLNAQJb ElWffeEvDIA1gSev6a1Z1EPIrShhEVDv0sKXwOfmY8d7AmgfSsqtAQblIjJFmm6OPOmDaJd/N8yV9 CFxIaCbEtRHgpruB7WsR8HPVMvpJ3ZGAKH4zINw4CbDl3PQM1okywM2QSm2QJwg4Gv29vK+zkuEBk aW2qmM+YNa3G6A1ANTliCIPXzuPhVWmig0J60jzHq4sX5H3WsduuMoR/+RF4/Vjp7TvyvDxnMb/U6 nFO/vkBIF8H6r/6aF6yYwSJhqE48pW6xCkddxpcQpIz6dKPYMrMqTQBEJYIe2mYRMfhPpk7oTcGMo ppDO8TLUKmxVg6T1/hYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCcSu-00ARBT-FU; Wed, 26 Jan 2022 07:11:36 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCcSo-00AR9g-U9; Wed, 26 Jan 2022 07:11:32 +0000 X-UUID: c3dd2745fda44bf7abbddb43a39020df-20220126 X-UUID: c3dd2745fda44bf7abbddb43a39020df-20220126 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 185514830; Wed, 26 Jan 2022 00:11:28 -0700 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 25 Jan 2022 23:06:10 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 Jan 2022 15:06:09 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 26 Jan 2022 15:06:09 +0800 From: Miles Chen To: CC: , , , , , , , Subject: Re: [PATCH 18/31] clk: mediatek: Implement mtk_clk_unregister_composites() API Date: Wed, 26 Jan 2022 15:06:09 +0800 Message-ID: <20220126070609.28749-1-miles.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220122091731.283592-19-wenst@chromium.org> References: <20220122091731.283592-19-wenst@chromium.org> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220125_231131_011168_BA00FB1D X-CRM114-Status: GOOD ( 21.25 ) 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; Like mtk_clk_unregister_pll(clk), let's check !hw for consistency of clk unregister functions. thanks, Miles > + > + 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