From nobody Thu Nov 14 10:41:27 2024 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 15261C433F5 for ; Sat, 22 Jan 2022 09:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234113AbiAVJUb (ORCPT ); Sat, 22 Jan 2022 04:20:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234092AbiAVJTz (ORCPT ); Sat, 22 Jan 2022 04:19:55 -0500 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84BFBC061786 for ; Sat, 22 Jan 2022 01:18:49 -0800 (PST) Received: by mail-pg1-x531.google.com with SMTP id r11so10246673pgr.6 for ; Sat, 22 Jan 2022 01:18:49 -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=D3QnS7kjFfrgTHObfO2/gQR9r9A1MdW1YuvW6hFlmPU=; b=OOrn0NajFfioYejG6ULlzdHFsPjRjDyfYd7zw1ryJirM1w1ZAYr6L3IXRn2L7JGr1o HJkQpBknQsf89GYlk/gKbk5gsEWH1Vl39Fdu357zOoVxEd1JpHpLA+ycoLftgQionAH1 8lbvNqtl1RRHj7Z2Xi5f5y6VyFtdf4Ljuy2lY= 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=D3QnS7kjFfrgTHObfO2/gQR9r9A1MdW1YuvW6hFlmPU=; b=e3vjL7FeQ8/CNUsxfg89oSbZ9klhUwADfonCii+f//xbhgA6bKFSsHZDhXr9eOtIgc G5fYlfA/Gf3QAqm++pzOBQO/9SkAkxGEYEEOdqn3k4ZMFOi7itdx69Nd3W2capXFNKdp P28g/n8wUhsXVyezEj7hb9WO9uqhVTipciGBMOagZs65WptTMX0aIoD3DCtSX482o70O IKgB0ZbzKw3mnd+FGb8/0ooeGpb/9s/fPPDOSQQ64LviQHlELudBBEx2rqZw/yvVo4z9 qefXyF5cUKVmGW6mQ6OegRXDe6oM3fzCnHWthAGBv7DrO0lF5FLSUeNeFrp7y7k+HQx9 9Ecg== X-Gm-Message-State: AOAM531zwUJhg8Xh6Y2nM59Ey7Qpz++mAxWMzKM/KKRymnsrZHPxBwl9 CRejDuSST4mEn/neA2X5QdYbgg== X-Google-Smtp-Source: ABdhPJwoZ1uArHfG20JF9aXHV9qAKZo4Nd+NXBHQd93o1IQDmUskgrAp0D7C6MWPy/xOWqDtGvVWWA== X-Received: by 2002:a63:d314:: with SMTP id b20mr5589874pgg.207.1642843129021; Sat, 22 Jan 2022 01:18:49 -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.42.2022.01.22.01.18.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Jan 2022 01:18:48 -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 29/31] clk: mediatek: mt8195: Implement error handling in probe functions Date: Sat, 22 Jan 2022 17:17:29 +0800 Message-Id: <20220122091731.283592-30-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: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Until now the mediatek clk driver library did not have any way to unregister clks, and so all drivers did not do proper cleanup in their error paths. Now that the library does have APIs to unregister clks, use them in the error path of the probe functions for the mt8195 clk drivers to do proper cleanup. Signed-off-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt8195-apmixedsys.c | 13 ++++-- drivers/clk/mediatek/clk-mt8195-apusys_pll.c | 11 ++++- drivers/clk/mediatek/clk-mt8195-topckgen.c | 49 +++++++++++++++----- drivers/clk/mediatek/clk-mt8195-vdo0.c | 4 +- drivers/clk/mediatek/clk-mt8195-vdo1.c | 4 +- 5 files changed, 63 insertions(+), 18 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8195-apmixedsys.c b/drivers/clk/med= iatek/clk-mt8195-apmixedsys.c index 5b1b7dc447eb..af8d80f25f30 100644 --- a/drivers/clk/mediatek/clk-mt8195-apmixedsys.c +++ b/drivers/clk/mediatek/clk-mt8195-apmixedsys.c @@ -120,17 +120,24 @@ static int clk_mt8195_apmixed_probe(struct platform_d= evice *pdev) if (!clk_data) return -ENOMEM; =20 - mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); - r =3D mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks)= , clk_data); + r =3D mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); if (r) goto free_apmixed_data; =20 + r =3D mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks)= , clk_data); + if (r) + goto unregister_plls; + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) - goto free_apmixed_data; + goto unregister_gates; =20 return r; =20 +unregister_gates: + mtk_clk_register_gates(node, apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_= data); +unregister_plls: + mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data); free_apmixed_data: mtk_free_clk_data(clk_data); return r; diff --git a/drivers/clk/mediatek/clk-mt8195-apusys_pll.c b/drivers/clk/med= iatek/clk-mt8195-apusys_pll.c index db449ff877d7..1fff6f3d2dc7 100644 --- a/drivers/clk/mediatek/clk-mt8195-apusys_pll.c +++ b/drivers/clk/mediatek/clk-mt8195-apusys_pll.c @@ -66,13 +66,20 @@ static int clk_mt8195_apusys_pll_probe(struct platform_= device *pdev) if (!clk_data) return -ENOMEM; =20 - mtk_clk_register_plls(node, apusys_plls, ARRAY_SIZE(apusys_plls), clk_dat= a); - r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + r =3D mtk_clk_register_plls(node, apusys_plls, ARRAY_SIZE(apusys_plls), c= lk_data); if (r) goto free_apusys_pll_data; =20 + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + goto unregister_plls; + + platform_set_drvdata(pdev, clk_data); + return r; =20 +unregister_plls: + mtk_clk_unregister_plls(apusys_plls, ARRAY_SIZE(apusys_plls), clk_data); free_apusys_pll_data: mtk_free_clk_data(clk_data); return r; diff --git a/drivers/clk/mediatek/clk-mt8195-topckgen.c b/drivers/clk/media= tek/clk-mt8195-topckgen.c index 3e2aba9c40bb..3631f49a5e5a 100644 --- a/drivers/clk/mediatek/clk-mt8195-topckgen.c +++ b/drivers/clk/mediatek/clk-mt8195-topckgen.c @@ -1239,25 +1239,52 @@ static int clk_mt8195_topck_probe(struct platform_d= evice *pdev) goto free_top_data; } =20 - mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), - top_clk_data); - mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), top_clk_data); - mtk_clk_register_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), node, - &mt8195_clk_lock, top_clk_data); - mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base, - &mt8195_clk_lock, top_clk_data); - mtk_clk_register_composites(top_adj_divs, ARRAY_SIZE(top_adj_divs), base, - &mt8195_clk_lock, top_clk_data); - r =3D mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), top_cl= k_data); + r =3D mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_cl= ks), + top_clk_data); if (r) goto free_top_data; =20 + r =3D mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), top_clk_da= ta); + if (r) + goto unregister_fixed_clks; + + r =3D mtk_clk_register_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), no= de, + &mt8195_clk_lock, top_clk_data); + if (r) + goto unregister_factors; + + r =3D mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base, + &mt8195_clk_lock, top_clk_data); + if (r) + goto unregister_muxes; + + r =3D mtk_clk_register_composites(top_adj_divs, ARRAY_SIZE(top_adj_divs),= base, + &mt8195_clk_lock, top_clk_data); + if (r) + goto unregister_composite_muxes; + + r =3D mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), top_cl= k_data); + if (r) + goto unregister_composite_divs; + r =3D of_clk_add_provider(node, of_clk_src_onecell_get, top_clk_data); if (r) - goto free_top_data; + goto unregister_gates; =20 return r; =20 +unregister_gates: + mtk_clk_unregister_gates(top_clks, ARRAY_SIZE(top_clks), top_clk_data); +unregister_composite_divs: + mtk_clk_unregister_composites(top_adj_divs, ARRAY_SIZE(top_adj_divs), top= _clk_data); +unregister_composite_muxes: + mtk_clk_unregister_composites(top_muxes, ARRAY_SIZE(top_muxes), top_clk_d= ata); +unregister_muxes: + mtk_clk_unregister_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), top_cl= k_data); +unregister_factors: + mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), top_clk_data); +unregister_fixed_clks: + mtk_clk_unregister_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),= top_clk_data); free_top_data: mtk_free_clk_data(top_clk_data); return r; diff --git a/drivers/clk/mediatek/clk-mt8195-vdo0.c b/drivers/clk/mediatek/= clk-mt8195-vdo0.c index f7ff7618c714..af34eb564b1d 100644 --- a/drivers/clk/mediatek/clk-mt8195-vdo0.c +++ b/drivers/clk/mediatek/clk-mt8195-vdo0.c @@ -105,10 +105,12 @@ static int clk_mt8195_vdo0_probe(struct platform_devi= ce *pdev) =20 r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) - goto free_vdo0_data; + goto unregister_gates; =20 return r; =20 +unregister_gates: + mtk_clk_unregister_gates(vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); free_vdo0_data: mtk_free_clk_data(clk_data); return r; diff --git a/drivers/clk/mediatek/clk-mt8195-vdo1.c b/drivers/clk/mediatek/= clk-mt8195-vdo1.c index 03df8eae8838..6b502bbc730c 100644 --- a/drivers/clk/mediatek/clk-mt8195-vdo1.c +++ b/drivers/clk/mediatek/clk-mt8195-vdo1.c @@ -122,10 +122,12 @@ static int clk_mt8195_vdo1_probe(struct platform_devi= ce *pdev) =20 r =3D of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) - goto free_vdo1_data; + goto unregister_gates; =20 return r; =20 +unregister_gates: + mtk_clk_unregister_gates(vdo1_clks, ARRAY_SIZE(vdo1_clks), clk_data); free_vdo1_data: mtk_free_clk_data(clk_data); return r; --=20 2.35.0.rc0.227.g00780c9af4-goog