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 ADD85CA9EC5 for ; Sat, 10 Oct 2026 11:56:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RPzRZvC6M3eYrQVDkjYe0kKV8YaVNewsubnx0uw/yuw=; b=4w0B43841EgCTRMKUMZuQ0Mimd F1ZkGeLxo5PI930HGJIoasnoXgeDacR1rGru195Ts41PBC/gMBoMT1b1zSv57mz8oiJXWrG0O9LBE 4RkSWb8tdhccM2e712Ldeqkn+apvAhJSUe31z5bx9K6P1oQioeBMkRbZaL53taCgAy7As/z+WANZ5 xw1ecpASFjdTvpSECmw80nkqhP4mjZwEe0Oeh6Ez7Jlvjj8ouW3X61QX/PIJUcJd3lYIJ54TJZAo9 puaBHUc30gvrdcwm/qx+ivgXdqKyQdF6tjYtnsRH/RFdlMgIjw5RmCfDyDLQ2G1F5qw+2xogO/zcN OaoAJkYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xFVhC-00000007yZi-13iR; Sat, 10 Oct 2026 11:56:58 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xFVgM-00000007xv1-2E9B for linux-mediatek@bombadil.infradead.org; Sat, 10 Oct 2026 11:56:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=RPzRZvC6M3eYrQVDkjYe0kKV8YaVNewsubnx0uw/yuw=; b=gKTznfvco5MFEW5DDROrOFWV4b +g0iecvkMLx0tOxKTtKDX/ZK0cKgi3MjAVA4LJoQl68a5RQmtNrDrkbzfLT088pj/SAy5p/URdNmG PWvbOX8v5/hx4OeNb3qBfrgRSkjtv8D1J1xQMT7pBksQFL3gIo+Ne6I9HcoOYDP88l3FLnx2zcFah LEEeO2ZEFhg6te/0uu/PcTOw1+WCSDx9tW69lkTBOdkPi/uRJ2gsRO3P9orkP28t/mYwMBb68MDu3 d8qyHobaCtOT4f5oDcumsoO8k1t8Z0um97p78e1FTeAgcNLbOBNsnQQAL5pC99jxplWrNYH90uTFi EHh8z/Qw==; Received: from mail-wr1-x434.google.com ([2a00:1450:4864:20::434]) by desiato.infradead.org with esmtps (Exim 4.99.2 #2 (Red Hat Linux)) id 1xFVgJ-0000000C4nP-0utW for linux-mediatek@lists.infradead.org; Sat, 10 Oct 2026 11:56:05 +0000 Received: by mail-wr1-x434.google.com with SMTP id ffacd0b85a97d-48c5358fc28so412705f8f.0 for ; Sat, 10 Oct 2026 04:56:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1791633361; x=1792238161; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=RPzRZvC6M3eYrQVDkjYe0kKV8YaVNewsubnx0uw/yuw=; b=APiJ4HlUnDurYMa+Xl+4ukfux2xwUWrArZTXmSRaYmn441A8Qex7G9T8nJxM7i3OMO nyMzeHyBVgzdMwt0HYuwK2ecoAdDaiU0wD8/wlp1HxBd+LqdcUX8tIgudDD5FGV12wfl FHxWf/nsLmtNKGu1d4IpMdQZZLhRxWuhbjQ/rymvZzEW9GqBEJpDM0hVpXAvSZeMHVg1 xcv0JNm+per+OezCXj6TpFEUTW4qiIA5F+wzMLiKscc4giS+ElYrGKT22tNuevSs/XC0 G0y3bmBpv5ab6XHIQWZmrC10J2xdCoXBjGKQ355m1MQ2QQQMvmmABt+v6QlllWd24wWE +5BQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791633361; x=1792238161; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=RPzRZvC6M3eYrQVDkjYe0kKV8YaVNewsubnx0uw/yuw=; b=qQKMxPSDbaSReRQzl6QRRom3wczqsQNKZTisrPqCS2veqp7T189dHpbP6FfBmlwytD ZZ05hDeZQP4wnaASgsRzSRgNmBqS1WhEu0CAlgMjjs5bAOT5r3/7iyYPdocjOTrglyF7 uoP/bmMvf1Vfe6ucWvu1XNGTmiELQNzlqb8WOKN3j1geiQQ3ETFZXLV5Z1PBk96i1ERI 2Mjvs/R7lAyiFhiAHAsV9wpj/K6CfYq3/Z+o8icHfT26Lg1X9qlagG+gf9a8eM0CGjtj RJwLfXNdYp5K6/9LeBaNWW8FUg2sxo7dunaEdEAU0UVx/hoIHtkOzYdmWuspj/Dlm4bF FWDg== X-Gm-Message-State: AFq9FYKs/6b0CLsWIs5zHy8+a+Upk52XGD8ZzCg4h/ROedk0m7pZnjgJ C6RaMvQ21No5D9/hH0/4n0rlmzL3CRQCBrGIHKsC5KK+dNOtxM54TUD7y8q9nxlD X-Gm-Gg: AYBFou0cZaSDRBFz7ijwiKRWiSEdcdjXxDIHAa5NFQiqZCCvA8x61zvkLl4EpON/Hwk MMBHyD2jXpe4fGWEqSEz7EYlYP5tjXTjK09Dk9qKYaNGPYuVMigItZ67jGsP+P1aKxZ08KAMzAk c6CmusXuWwioyMV71yzgF6rtYkHqOOFR8O2Jiigf6T0+FMidATLRoCLlqrdfIDviPkkT+sfn9uL SsEhBd+T1CsE9HUV3Z8jo0Dfu+YT5gJGAyT7qzvW7lZY7WoK1D2fwuc3QA6QuPWLsDhAK6P4aaH sLXkXuo6hUewFbGsJmOkAbpV0fWY9i8muKtq0LT/ncgT9iJ0SosM+pK3qJpl7E9jUThijj4WG95 VlD+BjiSGkEROxH7HGwluAhzWecJhD/5VIFbwjDDryoON+Nc2Zin0h0x7avA1bk2tM+IWDoYBVZ kj2GG/OqtTC6h70KxrmN+z4vxSClWs5hhnk6TuKaz0cDZ23W1tZXCSxu3aN8A+ibxvNw== X-Received: by 2002:a05:6000:4310:b0:48a:f1fb:e165 with SMTP id ffacd0b85a97d-48dbaae39e0mr7896198f8f.21.1791633360918; Sat, 10 Oct 2026 04:56:00 -0700 (PDT) Received: from luca-vm.lan ([154.61.61.58]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48db9aca657sm8746340f8f.43.2026.10.10.04.55.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Oct 2026 04:56:00 -0700 (PDT) From: Luca Leonardo Scorcia To: linux-mediatek@lists.infradead.org Cc: Luca Leonardo Scorcia , Chunfeng Yun , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Stephen Boyd , Brian Masney , Jerome Brunet , Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Nicolas Frattaroli , Chen-Yu Tsai , Fabien Parent , CK Hu , chunhui dai , linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 3/7] clk: mediatek: mt8167: Map apmixedsys iomem as shared Date: Sat, 10 Oct 2026 13:54:03 +0200 Message-ID: <20261010115539.9237-4-l.scorcia@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261010115539.9237-1-l.scorcia@gmail.com> References: <20261010115539.9237-1-l.scorcia@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261010_125603_329891_334B127A X-CRM114-Status: GOOD ( 19.12 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The hdmi_phy for mt8167 and the apmixedsys clocks share the same IO memory region and they both map it using devm_platform_ioremap_resource, which implies exclusive access. Switch the apmixedsys driver to of_iomap, like it is done in the mt8173-apmixedsys driver. Also, implement the remove function while we're at it. Fixes the following runtime error: hdmi-phy: error -EBUSY: can't request region for resource [mem 0x10018300-0x1001831f] Signed-off-by: Luca Leonardo Scorcia --- drivers/clk/mediatek/clk-mt8167-apmixedsys.c | 24 ++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8167-apmixedsys.c b/drivers/clk/mediatek/clk-mt8167-apmixedsys.c index fb6c21bbeef8..3e8611991de7 100644 --- a/drivers/clk/mediatek/clk-mt8167-apmixedsys.c +++ b/drivers/clk/mediatek/clk-mt8167-apmixedsys.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include "clk-pll.h" @@ -97,17 +98,19 @@ static int clk_mt8167_apmixed_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int ret; - base = devm_platform_ioremap_resource(pdev, 0); + base = of_iomap(node, 0); if (IS_ERR(base)) return PTR_ERR(base); clk_data = mtk_devm_alloc_clk_data(dev, MT8167_CLK_APMIXED_NR_CLK); - if (!clk_data) - return -ENOMEM; + if (IS_ERR_OR_NULL(clk_data)) { + ret = -ENOMEM; + goto unmap_io; + } ret = mtk_clk_register_plls(dev, plls, ARRAY_SIZE(plls), clk_data); if (ret) - return ret; + goto unmap_io; ret = mtk_clk_register_dividers(dev, adj_divs, ARRAY_SIZE(adj_divs), base, &mt8167_apmixed_clk_lock, clk_data); @@ -124,10 +127,22 @@ static int clk_mt8167_apmixed_probe(struct platform_device *pdev) mtk_clk_unregister_dividers(adj_divs, ARRAY_SIZE(adj_divs), clk_data); unregister_plls: mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); +unmap_io: + iounmap(base); return ret; } +static void clk_mt8167_apmixed_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_dividers(adj_divs, ARRAY_SIZE(adj_divs), clk_data); + mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data); +} + static const struct of_device_id of_match_clk_mt8167_apmixed[] = { { .compatible = "mediatek,mt8167-apmixedsys" }, { /* sentinel */ } @@ -136,6 +151,7 @@ MODULE_DEVICE_TABLE(of, of_match_clk_mt8167_apmixed); static struct platform_driver clk_mt8167_apmixed_drv = { .probe = clk_mt8167_apmixed_probe, + .remove = clk_mt8167_apmixed_remove, .driver = { .name = "clk-mt8167-apmixed", .of_match_table = of_match_clk_mt8167_apmixed, -- 2.43.0