From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 A7225493653; Fri, 16 Oct 2026 12:33:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792154027; cv=none; b=jOJ5sGC7CjgS+keNodpL4u+JZkPGa87xINe2w2//lwIoUn7GXKhy3iw2Kt1dsHVM3Jw/yA3o/eunqhydQ5+VTA0BxQyrY3IRM9AuFRgvichqSmxtXqH9VEyICxAsKqVOppWpn/xpO2f3O4B4L0jqFGz3mpWgqKYCVBsDXveBwwA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792154027; c=relaxed/simple; bh=lkTtSrZZebD0D1MrHOhVvg4ecqLH9ywFPtjBgVBc6iY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=EQFRoapTgdGL5VFcAVnmhClVWwHMUF68b4N4tBY50/iZrFOydpBIauDQLgnYbeIIN1pxElD6DAGTfQAEhvKN/w+g7hcZ3Sg//0XSnAaVvG12qX7FpprsR53S+djNhhhGU3QQgmaDT2QHLv6oP6V+J8ZfI+nXQnvKPk6fAKcpCs0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=U2DeIx5O; arc=none smtp.client-ip=148.251.105.195 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 (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="U2DeIx5O" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1792154023; bh=lkTtSrZZebD0D1MrHOhVvg4ecqLH9ywFPtjBgVBc6iY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=U2DeIx5O45yR79/+d5IIaAUWFtuDBLjYPEhiACW47IXthUmdhc4l1sS2V9aVtwn8v ACmAgSRruaFrncM18TON7GiZdIGlKZiTUrvBPondSHL3itKXo5P9zpPT+CtHUBOBnR LsIHgozKu2io295ROFwWx6mUvxpYQb/kY2Kavbq+jGi9sAyqy/fuzqnu1F5QYyzaU5 nLgfBOLbHoRsVmg+lRHH1XW83ebc45IiG35KudpHI14biW2zq8724Vbbczs7u6XrWO +vK5o0CbSRpiAhZcoSqJm96v6xeEJ+5xm1KkryYg4afkBxGi+lYL2NU4LwJVpETcU+ HI0e2Dqhj28IQ== Received: from yukiji.home (unknown [100.64.0.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: laeyraud) by bali.collaboradmins.com (Postfix) with ESMTPSA id 039D117E3747; Fri, 16 Oct 2026 14:33:42 +0200 (CEST) From: Louis-Alexis Eyraud Date: Fri, 16 Oct 2026 14:33:04 +0200 Subject: [PATCH v14 12/23] 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: 7bit Message-Id: <20261016-mt8196-ufs-v14-12-e8d565e0cd45@collabora.com> References: <20261016-mt8196-ufs-v14-0-e8d565e0cd45@collabora.com> In-Reply-To: <20261016-mt8196-ufs-v14-0-e8d565e0cd45@collabora.com> To: Chunfeng Yun , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Peter Wang , Chaotian Jing , Alim Akhtar , Bart Van Assche , Bean Huo , Stanley Jhu , Stanley Jhu , "James E.J. Bottomley" , "Martin K. Petersen" , Philipp Zabel , Liam Girdwood , Mark Brown Cc: kernel@collabora.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Nicolas Frattaroli , Louis-Alexis Eyraud X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1792154009; l=2332; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=EY0U3sj6rvUEERgFSF8RhjFWo7pI9Zw40jOv/4R8JTc=; b=V6CjxCJjTnXt3CI41w2YUJqdYY7UzjTUKmEB/PI3JatcVd6ItXmxU+wGsSAg2/tDPVVrcs20p MnC6A1s5L40CMEaOWUuo9notrrMHNCScEluylpPBLXsDysE5lOy//iK X-Developer-Key: i=louisalexis.eyraud@collabora.com; a=ed25519; pk=CHFBDB2Kqh4EHc6JIqFn69GhxJJAzc0Zr4e8QxtumuM= From: Nicolas Frattaroli 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 Reviewed-by: Chaotian Jing Signed-off-by: Louis-Alexis Eyraud --- 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-mediatek.c index 58ae8499ebf7..46c9153be6e2 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -2474,38 +2474,12 @@ MODULE_DEVICE_TABLE(of, ufs_mtk_of_match); static int ufs_mtk_probe(struct platform_device *pdev) { int err; - struct device *dev = &pdev->dev, *phy_dev = NULL; - struct device_node *reset_node, *phy_node = NULL; - struct platform_device *reset_pdev, *phy_pdev = NULL; - struct device_link *link; struct ufs_hba *hba; + struct platform_device *phy_pdev = NULL; + struct device *dev = &pdev->dev, *phy_dev = NULL; + struct device_node *phy_node = NULL; struct ufs_mtk_host *host; - reset_node = 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 = of_find_device_by_node(reset_node); - if (!reset_pdev) { - dev_notice(dev, "find reset_pdev fail\n"); - goto skip_reset; - } - link = 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 == DL_STATE_DORMANT) { - err = -EPROBE_DEFER; - goto out; - } - -skip_reset: /* find phy node */ phy_node = of_parse_phandle(dev->of_node, "phys", 0); @@ -2551,7 +2525,6 @@ static int ufs_mtk_probe(struct platform_device *pdev) out: of_node_put(phy_node); - of_node_put(reset_node); return err; } -- 2.56.0