From nobody Tue Feb 10 06:25:25 2026 Received: from omta036.useast.a.cloudfilter.net (omta036.useast.a.cloudfilter.net [44.202.169.35]) (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 DB9AA1F236A for ; Fri, 27 Dec 2024 11:09:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=44.202.169.35 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735297756; cv=none; b=BmFX5+YiXLRJqoYh2Joc5D44/SHu1O9vt3YGq2kR5+5zVvD/oFLC0cziMfRwOhFo+Ie3W9AzlyX1GnN7S7KH7mlCVahJ9RG8wPClSmNJe8H+nrh3PjsR1LTdxnfSUt/UkFVQHRAabtah2QMqXSIuCok64ZxQ0WDK6eoJVq0GqV8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735297756; c=relaxed/simple; bh=P54KA5XqlT/VEM0AcqfRzSVceip5YpdV+G0SVeiVvo8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ed476g+KjUmfhMqnoPd+2T6bOdcjiB+ME5BpxR1hGBBL3vShGuFtJnepHuGfjXZ4P2c4Art9ZYD+jjJNXKgcYMa4dHlG0Kp9DuXIr9xU8eG9QE98fwdppNLsrzL1QSn5eNknc6+FEJlFjoNkNleaCaA8Ghd+ZebL58MFM9vKEbw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linumiz.com; spf=pass smtp.mailfrom=linumiz.com; dkim=pass (2048-bit key) header.d=linumiz.com header.i=@linumiz.com header.b=J4Qefxrt; arc=none smtp.client-ip=44.202.169.35 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linumiz.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linumiz.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linumiz.com header.i=@linumiz.com header.b="J4Qefxrt" Received: from eig-obgw-5007a.ext.cloudfilter.net ([10.0.29.141]) by cmsmtp with ESMTPS id R46itX9BAxoE1R8DStkitS; Fri, 27 Dec 2024 11:09:14 +0000 Received: from md-in-79.webhostbox.net ([43.225.55.182]) by cmsmtp with ESMTPS id R8DPtdxBu8PtxR8DQtlNeH; Fri, 27 Dec 2024 11:09:13 +0000 X-Authority-Analysis: v=2.4 cv=Fegxxo+6 c=1 sm=1 tr=0 ts=676e8ad9 a=LfuyaZh/8e9VOkaVZk0aRw==:117 a=kofhyyBXuK/oEhdxNjf66Q==:17 a=IkcTkHD0fZMA:10 a=RZcAm9yDv7YA:10 a=-pn6D5nKLtMA:10 a=vU9dKmh3AAAA:8 a=85KA4Hw53eMu32bbZw4A:9 a=QEXdDO2ut3YA:10 a=rsP06fVo5MYu2ilr0aT5:22 a=ZCPYImcxYIQFgLOT52_G:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linumiz.com ; s=default; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=qiSM89V4SzYcC8gEAu73STXv5s6bgJIn4sStUDfq04o=; b=J4QefxrtzVqjYeIamTNA/XK3a8 EUQY4FXxWmcMXS9Cka9KSJoGT4aUl+9J+XwYKutXSUtvF4JtaHnWgK4sOFV4QuswteKuVETasb9z5 UMxJOG3kJukEkv+2Fx698ko9rITyYtsUhhiOfM0ITIpTZti6zuXd4Eh78LAwuuUNK3Xh+27AacZhI KutWJUmlV4AUJJjiAbiK2UEWICCZ4ivc6EmHHG7clPUznOEpW/FzMiE2EDnUYCB3Lq0jrE92NZNjE 2qDuws5uhLSEX2xov5w84rx7veKtx7s3VdDVtJ9t6VsjOcP5e3t0HRXcCd5tIy1SiilAInHOreWzD NCgg6dFg==; Received: from [122.165.245.213] (port=50828 helo=[127.0.1.1]) by md-in-79.webhostbox.net with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1tR8DG-000bEK-36; Fri, 27 Dec 2024 16:39:03 +0530 From: Parthiban Nallathambi Date: Fri, 27 Dec 2024 16:37:56 +0530 Subject: [PATCH 09/22] iommu: sun50i: make reset control optional 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: <20241227-a133-display-support-v1-9-13b52f71fb14@linumiz.com> References: <20241227-a133-display-support-v1-0-13b52f71fb14@linumiz.com> In-Reply-To: <20241227-a133-display-support-v1-0-13b52f71fb14@linumiz.com> To: Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Michael Turquette , Stephen Boyd , Philipp Zabel , Linus Walleij , Vinod Koul , Kishon Vijay Abraham I Cc: iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-phy@lists.infradead.org, Parthiban Nallathambi X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1735297689; l=819; i=parthiban@linumiz.com; s=20241125; h=from:subject:message-id; bh=P54KA5XqlT/VEM0AcqfRzSVceip5YpdV+G0SVeiVvo8=; b=UAKOPo44BMV/nlZiP8v+e76CckorjVoG/W2zTYtocflHcdNVAdWd4W7oXYpdS7HcjLvh5atkb dkhixZP96ODA+J/PFzAhOqt0//04YhdWMSHngs7SyBFEGYTRfOPBf+I X-Developer-Key: i=parthiban@linumiz.com; a=ed25519; pk=PrcMZ/nwnHbeXNFUFUS833wF3DAX4hziDHEbBp1eNb8= X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - md-in-79.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - linumiz.com X-BWhitelist: no X-Source-IP: 122.165.245.213 X-Source-L: No X-Exim-ID: 1tR8DG-000bEK-36 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([127.0.1.1]) [122.165.245.213]:50828 X-Source-Auth: parthiban@linumiz.com X-Email-Count: 273 X-Org: HG=dishared_whb_net_legacy;ORG=directi; X-Source-Cap: bGludW1jbWM7aG9zdGdhdG9yO21kLWluLTc5LndlYmhvc3Rib3gubmV0 X-Local-Domain: yes X-CMAE-Envelope: MS4xfFUVdLze2phwwUe7/fCUvVJQWKPmcufP1WywOfeMRAzvofPWoWGxglKy4XBg9Vxe8x9idm1ykbVQMj/J5UuByiJD42Z6hWCkqHaRpQ4ABlyE/JHES8vA grDs+TPjWDHzjyAy87UY9u+YGGbj4soXKrkEDWnaWkueI66bRmXFX4CpmMJhjyuxHtZ3uKMXaZXRj3NUezlYd1yYOq0hdsuN1s0= A133/A100 SoC doesn't have reset control from the CCU. Get reset control line optionally. Signed-off-by: Parthiban Nallathambi Acked-by: Joerg Roedel Reviewed-by: Paul Kocialkowski --- drivers/iommu/sun50i-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 8d8f11854676..2ba804d682dc 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -1030,7 +1030,7 @@ static int sun50i_iommu_probe(struct platform_device = *pdev) goto err_free_cache; } =20 - iommu->reset =3D devm_reset_control_get(&pdev->dev, NULL); + iommu->reset =3D devm_reset_control_get_optional(&pdev->dev, NULL); if (IS_ERR(iommu->reset)) { dev_err(&pdev->dev, "Couldn't get our reset line.\n"); ret =3D PTR_ERR(iommu->reset); --=20 2.39.5