From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C40693C76AF for ; Fri, 22 May 2026 10:11:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779444698; cv=none; b=S0dNNHaczYzT4aFzyyEqf+apA5oe1gWUI8Ky7/igMp/NT/CqLJo5Gu0Q3YnUhBqdwQtSclemO/sI7bMUL3Q20c6A3JV/QmPIgMw407Ioc03tfyUZmxsgx7oPc17FPFAWS3gt7LU2Ah75MZAAZr76gy0rUOTyOlEyx9m8BjR22uE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779444698; c=relaxed/simple; bh=1PEqBL2N/tP9c98YsA95gPInc3U0Rsi9oDwoPYi84jY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EztFmQg3vmij2qPbUSQpPOAUnF9KcAfXKVoZJ5Nbex/hhN6Bt8bC/bwaB4cLFkTTRYxHZc+WqQ+0du5PvUiNqk9AgHbdfNrd82p95dbQ0Fe6hiiwM4gsQlfCsHr0V7TYFluJR8SYUvZiyCc8O5gWhu+xce+CYBj9I1CEFhNXRWs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=G8TpQ1W2; arc=none smtp.client-ip=209.85.221.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G8TpQ1W2" Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-453903ee4adso3706433f8f.3 for ; Fri, 22 May 2026 03:11:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1779444695; x=1780049495; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=VERC87ErTg1j6vxwxEYthaPZVN4kWyhvQyh1LqaXbdA=; b=G8TpQ1W2Qzm/qd3IXfB+tdbZj4KegJGVty0YHvYmtgqDj6u73B7QfRuvjdsPXQevE9 coXUT6QPHnrAohAlom6giTbZFoiHAkI0nSpPcywCh01BTj52jcsEpaDE7HUl5H4xKHwb Z4zqM8K5nCxDYAkqisv+FYe2C3CvNKVG5/6ppHmlw7eUp1JmetQnIBiPr4GfT/UIlAD9 YcCJN9ycd+1zCjswCLlv5T33MzMcH7bU/+OARWXIyo3Iy5W2H3GFC/YAPWqiaUB1I12Y yxrUNyFVi19RTifHhXzBOBEfiH5HfCfp4cTbEioBbOszXt9CI5nKZQ1NP9tnrbkYtizC be+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779444695; x=1780049495; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VERC87ErTg1j6vxwxEYthaPZVN4kWyhvQyh1LqaXbdA=; b=g8GUncJQlTGJgyYqmlkqye04RUinDIE/r8NFgEdALOH0dSJmy9wy8a8T4h9bxUjDp0 a0P4lJdd4J/AyQAG4os9XEMul260wnSALFqS3qB9eR54OdQrLSY0ME4uJChNMCH2Kbqu +xl/iE+mzHnarfPQVNwBZ400ShUtcl2kJ8zxorl0wJADEbntMM+mU/fl/bJyoF/uEkO4 3FFjtK4U9NiS0+RtqYiSBZwHXb1ciYAIa1BAkA1bnRy/lMrZVPQJ+mssyJX9QQq4+pMW R3W6+TthmWNZ8xyLHTJ4y7WJ1l5Z84FvbUWpTlTwidHSGE1RiCu4QOKsTLWNl3PgK63u hmvQ== X-Forwarded-Encrypted: i=1; AFNElJ/xRGS4uFPcsnYFRG7ZoV8ktW6LpmdBQhj8B452Q4T7d1yrfXQNYQRVYoLIMg/kORCLIXXphSeIWxk=@vger.kernel.org X-Gm-Message-State: AOJu0YyURX5dS28TGqfzASG1BuVRTgppNAz6lkPZbUm/F9rH+/zGrEcX n6WilPMQ9GOb5PhVkq873HXRPjKq1oNKqvOAZ/S0XYzC9jLs932FGXL2 X-Gm-Gg: Acq92OHSlj9zc6BT+kg20DC7LOb75P/df5/Jc56yD0cpxhE37Ap4mtER6x91mvEiu6k qZJ/Tve+BhrHW0H2r5bA7boz/rlEf/tZtJ4KWuNhbytPJmU+k2pJ6Oai8l3/fh3SWqad5pJrDp8 xFPD8VgMswRGBMopqMRak8sDrt6zHpdOW7WbyfvL8TI868pqht+K4NgXJ/0KNtaZ+lqWXtxT2/+ YdA0HREBBtBQq8RFGovaQsHD0BY9wVKrrRBincOPz0jMwT1dYdvkkjfET3ybCtoATm6zqxDqHWg kd3SFGSzBfosCd05PZOUOyw8qvLhHEZBNwqqQ+SHQjCMTbfCfGhifn8zXjHMqw0jKuzRSbhNJyc JmzGb+yAfgYMDpBl01jWtdivW3ckB+q+QC5xp+ykPg4EMtb2G3TuhNG/kYXB1sivsiUcEZIu8zC p37PWBKAfY/jtf7s+m7WYgpj+KhxrSZ8hBW1Nkt740m0PZZZWlwdacvSxPFwfYFXLwBf5+Ol1dy th6R/yLotTAmQ== X-Received: by 2002:a5d:64e4:0:b0:45e:a0ab:8bc9 with SMTP id ffacd0b85a97d-45eb38c3793mr4093659f8f.41.1779444695040; Fri, 22 May 2026 03:11:35 -0700 (PDT) Received: from orome (p200300e41f291e00f22f74fffe1f3a53.dip0.t-ipconnect.de. [2003:e4:1f29:1e00:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45eb6d5cb9asm3419737f8f.27.2026.05.22.03.11.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 03:11:33 -0700 (PDT) Date: Fri, 22 May 2026 12:11:31 +0200 From: Thierry Reding To: Akhil R Cc: Vinod Koul , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Hunter , Laxman Dewangan , Philipp Zabel , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Frank Li Subject: Re: [PATCH v6 04/10] dmaengine: tegra: Make reset control optional Message-ID: References: <20260331102303.33181-1-akhilrajeev@nvidia.com> <20260331102303.33181-5-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="7q66bzfjf74euvvi" Content-Disposition: inline In-Reply-To: <20260331102303.33181-5-akhilrajeev@nvidia.com> --7q66bzfjf74euvvi Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH v6 04/10] dmaengine: tegra: Make reset control optional MIME-Version: 1.0 On Tue, Mar 31, 2026 at 03:52:57PM +0530, Akhil R wrote: > On Tegra264, reset is not available for the driver to control as > this is handled by the boot firmware. Hence make the reset control > optional and update the error message to reflect the correct error. >=20 > Signed-off-by: Akhil R > Reviewed-by: Frank Li > --- > drivers/dma/tegra186-gpc-dma.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) >=20 > diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dm= a.c > index 5948fbf32c21..a0522a992ebc 100644 > --- a/drivers/dma/tegra186-gpc-dma.c > +++ b/drivers/dma/tegra186-gpc-dma.c > @@ -1381,10 +1381,10 @@ static int tegra_dma_probe(struct platform_device= *pdev) > if (IS_ERR(tdma->base_addr)) > return PTR_ERR(tdma->base_addr); > =20 > - tdma->rst =3D devm_reset_control_get_exclusive(&pdev->dev, "gpcdma"); > + tdma->rst =3D devm_reset_control_get_optional_exclusive(&pdev->dev, "gp= cdma"); > if (IS_ERR(tdma->rst)) { > return dev_err_probe(&pdev->dev, PTR_ERR(tdma->rst), > - "Missing controller reset\n"); > + "Failed to get controller reset\n"); This change is a bit pointless, but I suppose it's a little more accurate this way, so: Acked-by: Thierry Reding --7q66bzfjf74euvvi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmoQK9MACgkQ3SOs138+ s6FHnA//XF4yJADgbsPfLGq/nIoR6D15Rkyz2/y+WoltFZ/NE79EUP9PKuTKyaZB Zg768U33kvdc5mhOKspm7OXUCUkw+dyFGHW0Ud8sXdLZUnJdagT5LwUCgxZh/7fv Y9LF9Ol+dQl+aKNFH2gZJUDLGlYsdcnqNADudoqVh7Jh/Javn9PPvx/oa2I2J8QP B0ybLk6adFzB/jm6hG8K48cHojhlZ5ea0Ri0+WFpjbBbhTzdHUal7pzdpjPoXwGT 5QuHid/lj82oWJQO34iuYCYPY6fy/FUO4esr35elwttdxaNBL689MOmF6NeAwIKS cm4rk9Eme54ukkQ5lULHMDz4U5D0Py4/G7XH8XHzwhTbe8t42Gqu9mLK8pv4BAM4 mXMIA8j2MuDb5QjZmCcpJOHiBkXpvVReKem4mYZ3GO+QP0XZe2dUOx6NqKy76u1G 0J69wsztZW9VP4MY8ImIx8+pqWAsysnp4WvC9I10MSmV5dzBN4Oq2EBDMgwouZl5 efk549EwfnEdQI1HkRbMumKZYdtyRsJ7S1CQ/h8LGcy2kiRIWz+Bh1T27KXpTr0K nkc2zuW5+eAtNfcLK+r2rLDqscBWX7fq/+YS72+b+zYdUoGgL+FwcZVZ561OVrwD 8KLN1/XUDCWZP+A+j8FwM6O4cDTuVPHTC3Q/64jPCC8Eu1Di1qk= =uscJ -----END PGP SIGNATURE----- --7q66bzfjf74euvvi--