From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (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 712F1395DB0 for ; Wed, 14 Jan 2026 11:34:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768390479; cv=none; b=mEb2qIv1K7rky4V4jNT5F4epVUqRlj+8Qa/S62DiNgIp82XYw27oHzmtQLT3mmjP3M03Y84CZAkr1+hCmtfNmAvMsa5Jp23jfKV4LVT0Xo0RxDLtIdLlhWScbHPOisWKpcGDZjiY5LRaUp0ILuTadmblO69ZEs3XL8Jvk9exYmY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768390479; c=relaxed/simple; bh=lr2jaXKLTYSemiRd4WCZWM7A71D5r7zK+ViV8cSzJ+U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oUbzEHP/nhiHT+XAHyRSfP6WwkY9gZRcjsCX2KK5+9l/7zd3W1ckcONI2HmPOOTR90zE5/uMVIWNceFIlzYUCCf1+IeRGQ/7MDgzS+QwPoZaSbvra8ezYObk5LRnC7kJb0eQaUyk8x76r8lM6Wda8v//xsHn5dUueinV6AOlKcI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=FbIj0Ne7; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="FbIj0Ne7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=lr2j aXKLTYSemiRd4WCZWM7A71D5r7zK+ViV8cSzJ+U=; b=FbIj0Ne7HcdUaAEP0iAU A55rGJ0oyna5P19mF+Qqxxdtkv9Cgi3ikY/VAziIha2Ymf37Sh7GcN6qaW4QeEEo sBd+8Q/J4ZH0/a8KKWXi52G6yRrBYbtJHOc1MKWYeouC1RokrNbBn26LBMwcnNgu 8T93ffuZswv71EcU6CqAiK3f2JCJOYkgcxnkvqxbylojhjxtVsYe3sxNiK670Caz EFvOqfSrAgjRTV+nnMfGbAdKt7v7gg/v17ziuAIKwmm1lI2cmH/CktRAautTnLuL iGUMHmLaorf+k2EQ1TVUaIc7xjC+XNtiOXCvHeyQm9tY2O4ji9uDHLMak36lcI8j 2w== Received: (qmail 2108427 invoked from network); 14 Jan 2026 12:34:35 +0100 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 14 Jan 2026 12:34:35 +0100 X-UD-Smtp-Session: l3s3148p1@WxbafVdI0IsujnsM Date: Wed, 14 Jan 2026 12:34:30 +0100 From: Wolfram Sang To: Neil Armstrong Cc: Mukesh Kumar Savaliya , Viken Dadhaniya , Andi Shyti , Sumit Semwal , Christian =?utf-8?B?S8O2bmln?= , Wolfram Sang , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH] i2c: qcom-geni: make sure I2C hub controllers can't use SE DMA Message-ID: References: <20251029-topic-sm8x50-geni-i2c-hub-no-dma-v1-1-5e264258a5bd@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@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="RMEH12Dl56iOtTld" Content-Disposition: inline In-Reply-To: <20251029-topic-sm8x50-geni-i2c-hub-no-dma-v1-1-5e264258a5bd@linaro.org> --RMEH12Dl56iOtTld Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 29, 2025 at 07:07:42PM +0100, Neil Armstrong wrote: > The I2C Hub controller is a simpler GENI I2C variant that doesn't > support DMA at all, add a no_dma flag to make sure it nevers selects > the SE DMA mode with mappable 32bytes long transfers. >=20 > Fixes: cacd9643eca7 ("i2c: qcom-geni: add support for I2C Master Hub vari= ant") > Signed-off-by: Neil Armstrong > Reviewed-by: Konrad Dybcio > Reviewed-by: Mukesh Kumar Savaliya > Applied to for-current, thanks! 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