From nobody Wed Apr 15 16:25:41 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB43D3B584D; Wed, 4 Mar 2026 14:56:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772636163; cv=pass; b=AxHfwigRIOkATvBGfgu9c0CV0C9SYdQPC8wXW9dhiAk/Xd+QMFzwkRbGvSDCmBVFJ/WTrk2jSLwo/Q7TsPGXYyORGuHTse44edx2p5zYfvb2gdaKh9RGB8kq5jzsxC7lc+PDCuTVwXExUrxCjdxSSLJxMVpbBpLoc6KJYs1kJe8= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772636163; c=relaxed/simple; bh=lImHvapwQ9zA6YZheDhlu+kGN1fqqs+M+cmnhTWIIXQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LGh9e1T0DDMpt74LzJFlHXIqzXFezSlRQbyw3pERhYCdFrcTN/KFKCXu5FCowoze7tu/zKn6hNkYfojCK5hHUdn7LkjzVFENt/UxLUJaK3ts1bRcnO9agokDbbgobg9fOUZMBs9G8yH7HmPgVk5Gh4SZ2wKcMOH/pOCenZFmh6w= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=RyHPTwob; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="RyHPTwob" ARC-Seal: i=1; a=rsa-sha256; t=1772636132; cv=none; d=zohomail.com; s=zohoarc; b=m31YZs3JFER37ipheSO4vyIKPOHBxOfn3j4mFhVDhyaTAN2EAjA32jdjHUjPb3CRgs9Gyt35KSJv8cA4c4x7yshfaKMxmZ/miZtw5kklAng2tyPnakQ/xLOhcPtpR+VPSEAY+LAEzNY8OOVnrVdoZNRV/5o4cKlPtjioyBdvhlE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772636132; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=ePpCxUnFt2zcM0bo6fHn927tjTGFZtl/xcFsp6Phh3Q=; b=JvzSx0sADgdyiW2UElSIJZljKwWmzPOdukB/qH+YB6LKAMCF6JI8s0SNKzL42P1qxDpFd7rqiAR/WTtAAIw77a6m2/e0IM0sD2Xyhz+Oel88acwob5n5Rd77mEke86wybS+ykWssipyoGRlJHo0Q6JM96SmVcPu2YKD486cbHeo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1772636132; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=ePpCxUnFt2zcM0bo6fHn927tjTGFZtl/xcFsp6Phh3Q=; b=RyHPTwobme4Fft39JhGrpr7JZ85bdTTY3AhI4E6bZZo/GXE6hBPmg0k4CETSmby1 f9iZZeQqWUeQoERAaOI2/SeGC5azLpapeV2Q++vgHBF89dbCaq+l7AKsAbV4W/pn7ga ewTX7FxIRdFqXCas/lgQG23gugZAfsGgP/EojvP4= Received: by mx.zohomail.com with SMTPS id 17726361307821004.0673620691267; Wed, 4 Mar 2026 06:55:30 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 04 Mar 2026 15:53:27 +0100 Subject: [PATCH v8 22/23] scsi: ufs: mediatek: Remove undocumented "clk-scale-up-vcore-min" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260304-mt8196-ufs-v8-22-5b0eac23314f@collabora.com> References: <20260304-mt8196-ufs-v8-0-5b0eac23314f@collabora.com> In-Reply-To: <20260304-mt8196-ufs-v8-0-5b0eac23314f@collabora.com> To: Alim Akhtar , Avri Altman , Bart Van Assche , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Chunfeng Yun , Vinod Koul , Kishon Vijay Abraham I , Peter Wang , Stanley Jhu , "James E.J. Bottomley" , "Martin K. Petersen" , Philipp Zabel , Liam Girdwood , Mark Brown , Chaotian Jing , Neil Armstrong Cc: Louis-Alexis Eyraud , kernel@collabora.com, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, Nicolas Frattaroli X-Mailer: b4 0.14.3 The MediaTek UFS driver contains support for an undocumented, non-vendor-prefixed u32 property named "clk-scale-up-vcore-min". Since it is not part of any binding, and would not pass a bindings review in its current form, remove it. To return this functionality, it needs to be resubmitted in a series that also introduces it to the binding, and justifies what it is used for. Compatibility with downstream device trees is not a valid justification for its existence. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Nicolas Frattaroli --- drivers/ufs/host/ufs-mediatek.c | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediate= k.c index 290c17dbbd75..6292c943ef99 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -880,8 +880,6 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba) struct ufs_mtk_host *host =3D ufshcd_get_variant(hba); struct list_head *head =3D &hba->clk_list_head; struct ufs_clk_info *clki, *clki_tmp; - struct device *dev =3D hba->dev; - u32 volt; =20 /* * Find private clocks and store them in struct ufs_mtk_clk. @@ -918,24 +916,7 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba) if (!ufs_mtk_is_clk_scale_ready(hba)) { hba->caps &=3D ~UFSHCD_CAP_CLK_SCALING; dev_info(hba->dev, "%s: Clock scaling unavailable", __func__); - return; - } - - if (!host->reg_vcore) - return; - - if (of_property_read_u32(dev->of_node, "clk-scale-up-vcore-min", - &volt)) { - dev_info(dev, "failed to get clk-scale-up-vcore-min"); - return; } - - host->mclk.vcore_volt =3D volt; - - /* If default boot is max gear, request vcore */ - if (volt && host->clk_scale_up) - if (regulator_set_voltage(host->reg_vcore, volt, INT_MAX)) - dev_err(hba->dev, "Failed to set vcore to %d\n", volt); } =20 static void ufs_mtk_setup_clk_gating(struct ufs_hba *hba) --=20 2.53.0