From nobody Wed Apr 15 16:26:19 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 5F9A83B893E; Wed, 4 Mar 2026 14:54:57 +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=1772636099; cv=pass; b=hhUvQGVSV1kmbspdWgLf5YrNhF3/QKP+vgkhBewfva0nYGpX/804pbKojMCQbv8iGZ3J4Ak9LEXSSTmqPFVS1ymWGkjyp+Y8EXK3A1rU2GzgifqnML9PNFGi14zoVAx7DKzvoYIAOKVgBvYHkoSChvTTB+VDUj84erMXKLQnB18= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772636099; c=relaxed/simple; bh=I9oXW6poknWXaSvDpVEvz1TPMeLNn+K1D2gpyYas7Ts=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nfzGrBrJiqN8Lfct6c9LOSqkslHIJkK959DANiEzlFaK4Xtc9wRHzcc3GKU4UWPgfRa7886+B7tO0EyGy2SLTS3aKqQeEHIX8gzH1LzV5AUDUO9x91vPGeioyLd8VrCRQYgbm96fbj1ek6L5Z/8WSVQzQasuKjBPHLOvNaQk7ug= 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=NsVjCvVu; 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="NsVjCvVu" ARC-Seal: i=1; a=rsa-sha256; t=1772636070; cv=none; d=zohomail.com; s=zohoarc; b=Qb8JNV5/QP17oFWTUQYigEZMt9KCnYVDtTWwvLgZBKpI/+7W2KRtFy4U2/Oz5LNgSCC6Feh1vDOF3H4uBYjv9d9oIjeUmnG/I61GPaa4MLSwSGBfPcwDoBRhYFGePsZBtYNeaKJpZD0Vz1n+noK4ABUKgm6OJbs2dR7vDCGprIM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772636070; 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=au/PFvBm4Y6c/Oc5xEFsRbs7vzM0l5TSt2QALrMYuJA=; b=J/JFI9dAR+vi90g+tAM8T9ACQeYO0LjlZNpBgT/BAI21i7+qyPu5h3vBDMsDgl2mxPCqDexh/SoIRRlHLxI4wRsjhfYcCrN8g21lUKCwfeIw06ZxGscAxG0+quOQhG4GmeCzlmfrO92vWgpu7vG/ZCQi+bavr13uIaDLgg4NU7U= 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=1772636070; 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=au/PFvBm4Y6c/Oc5xEFsRbs7vzM0l5TSt2QALrMYuJA=; b=NsVjCvVuFibMHR8q7R7oUfQ26Pd/f71MnMEoCJW72g6ShUuHRnmbOEv4wOvzGWyU Xk43ADXIRGBvITPwh2vsABaz0enl8PMr8BUioqspN0rzH4MBszfBns3pipCpKRwqpOo 7NnV1QSXmuqotULWMmXQ0vfG/5GgKyPHMhI+xcE0= Received: by mx.zohomail.com with SMTPS id 1772636069999840.4920752243178; Wed, 4 Mar 2026 06:54:29 -0800 (PST) From: Nicolas Frattaroli Date: Wed, 04 Mar 2026 15:53:16 +0100 Subject: [PATCH v8 11/23] scsi: ufs: mediatek: Remove undocumented downstream reset cruft 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-v8-11-5b0eac23314f@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 host driver's probe function allows using a ti,syscon-reset as a reset, without going through the appropriate abstractions, or by documenting this in the binding at all. Remove this, it's downstream code and does not belong here. Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Nicolas Frattaroli --- drivers/ufs/host/ufs-mediatek.c | 32 +++----------------------------- 1 file changed, 3 insertions(+), 29 deletions(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediate= k.c index 3282b2d2d498..5f08fbbaa447 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -2383,38 +2383,12 @@ MODULE_DEVICE_TABLE(of, ufs_mtk_of_match); static int ufs_mtk_probe(struct platform_device *pdev) { int err; - struct device *dev =3D &pdev->dev, *phy_dev =3D NULL; - struct device_node *reset_node, *phy_node =3D NULL; - struct platform_device *reset_pdev, *phy_pdev =3D NULL; - struct device_link *link; struct ufs_hba *hba; + struct platform_device *phy_pdev =3D NULL; + struct device *dev =3D &pdev->dev; + struct device_node *phy_node =3D NULL; struct ufs_mtk_host *host; =20 - reset_node =3D of_find_compatible_node(NULL, NULL, - "ti,syscon-reset"); - if (!reset_node) { - dev_notice(dev, "find ti,syscon-reset fail\n"); - goto skip_reset; - } - reset_pdev =3D of_find_device_by_node(reset_node); - if (!reset_pdev) { - dev_notice(dev, "find reset_pdev fail\n"); - goto skip_reset; - } - link =3D device_link_add(dev, &reset_pdev->dev, - DL_FLAG_AUTOPROBE_CONSUMER); - put_device(&reset_pdev->dev); - if (!link) { - dev_notice(dev, "add reset device_link fail\n"); - goto skip_reset; - } - /* supplier is not probed */ - if (link->status =3D=3D DL_STATE_DORMANT) { - err =3D -EPROBE_DEFER; - goto out; - } - -skip_reset: /* find phy node */ phy_node =3D of_parse_phandle(dev->of_node, "phys", 0); =20 --=20 2.53.0