From nobody Thu Mar 19 05:26:26 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 E466839902C; Fri, 6 Mar 2026 13:26:33 +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=1772803595; cv=pass; b=fl+2c2BHepsink9wDC8padR4pk0mpTzA7S+JTbjI8/2+yXE/YxDDL2qqGrSK9dVN/fzkO8xst1aq4HVTDCYIza7KCwDDuERUuxQJbCcQkf5bZ/0wwpBpbRb4rZbnL1zz7ytoLRabCC6pYunMRtU7bTTlmSQb3CsZleQAxt7rWFM= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772803595; c=relaxed/simple; bh=/o5JHSPjla4i9AUWahy5CwXrdQrv1a3I6cveHxXCkcw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TwCRSID2eXE6OURQK9e25gMzl8+nw/ChHcoOQS5Ddwk8Xyq8w54LN0XEqpr8Rxat/dggw/tderpmw2nZ5pDm7aZ9vHH/dJ14JwJwqDD5pQMPDxbmmrRgDEZ+zNDpd+D4MaCyWDF0qT9B/dTfCr6h8+gsdNaCGFVNu2IAdnj2FgI= 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=ZO4d9MJc; 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="ZO4d9MJc" ARC-Seal: i=1; a=rsa-sha256; t=1772803567; cv=none; d=zohomail.com; s=zohoarc; b=cp7D57xv6Gw5vvIHymjnyyKfEcmSsgNbcokRE8ODBn2r39dwYBmQPLKmVNL7SFIx/i4oPdSSaAWw9pWbnkfOHMAE6hoZxpw4aPdoos2GZuHMbWtxktSQ4u/eEaHTxA0+NIyq86MPVYgQ8QDJWC2/nK3Vcq49gCF6vCOspSzl4kU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772803567; 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=bbVcQElh2n3zPCzRWLmxu2NrF4FVP7AQKqTrhwDzV5M=; b=jYRDdLMcpl0pBqAdhMELQZcbZEQtUsfwABZGnZP5eGOxKA3ZVXPAM56Qrj/UJ8E+sAvfhaFJR3pqBbrcxaCxhnedVlTknugSbPDwi7esTQ4S+E65kGCIgy0sT+tr578RMW/l1NwURgzi47nIc0Et2ZYOSxkf9h/+3Jj34U6zgwA= 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=1772803567; 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=bbVcQElh2n3zPCzRWLmxu2NrF4FVP7AQKqTrhwDzV5M=; b=ZO4d9MJch6aDhmPuTr2kv+VQZT1C4aAl5C1jFQ9q/67fkuE3e2MDh+VUrRTENHAB 9pc5Z9erfJoo7WKvcUFZunh1Ba2fD9pNKhkN4i/b2PUn4Ev0KkuVXeI/Pfi82iSa6Z2 LaFV1jwJBb0kCj3cLHI04GkDH35/BGHxXMn6cWW0= Received: by mx.zohomail.com with SMTPS id 177280356507259.18972104731074; Fri, 6 Mar 2026 05:26:05 -0800 (PST) From: Nicolas Frattaroli Date: Fri, 06 Mar 2026 14:24:52 +0100 Subject: [PATCH v9 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: <20260306-mt8196-ufs-v9-11-55b073f7a830@collabora.com> References: <20260306-mt8196-ufs-v9-0-55b073f7a830@collabora.com> In-Reply-To: <20260306-mt8196-ufs-v9-0-55b073f7a830@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 | 33 +++------------------------------ 1 file changed, 3 insertions(+), 30 deletions(-) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediate= k.c index 3282b2d2d498..6b4db7c09bbc 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, *phy_dev =3D NULL; + 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 @@ -2460,7 +2434,6 @@ static int ufs_mtk_probe(struct platform_device *pdev) =20 out: of_node_put(phy_node); - of_node_put(reset_node); return err; } =20 --=20 2.53.0