From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A23D9C41513 for ; Wed, 16 Aug 2023 20:11:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346030AbjHPUK3 (ORCPT ); Wed, 16 Aug 2023 16:10:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234641AbjHPUJ4 (ORCPT ); Wed, 16 Aug 2023 16:09:56 -0400 Received: from out-35.mta0.migadu.com (out-35.mta0.migadu.com [IPv6:2001:41d0:1004:224b::23]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3756CD for ; Wed, 16 Aug 2023 13:09:54 -0700 (PDT) Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ansari.sh; s=key1; t=1692216591; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9VhizC2mjx6tKAlv2xv+dNkvMh6f5vBXVV6pf3KhE5k=; b=X5Dybzomz7Or4AMQHSAz8uCpPHp0shuNl7iBWykV7vfiSVFoPMcHWyYn1MGk/CpnE90aoq pPFhwHvqagzeadWH01r0CpfPauoicC1So4sMWYwMe7Vdxpx73st7up4d6fcd3jL6CJMqG6 kvaLUziwY23T6MXgL/BxgJD4J/jBXd8= Date: Wed, 16 Aug 2023 21:09:49 +0100 MIME-Version: 1.0 Subject: Re: [PATCH] arm64: tegra: Enable IOMMU for host1x on Tegra132 Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Rayyan Ansari To: Thierry Reding Cc: linux-tegra@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Hunter , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230810214543.16235-1-rayyan@ansari.sh> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 16/08/2023 20:56, Rayyan Ansari wrote: > On 16/08/2023 17:24, Thierry Reding wrote: >> On Thu, Aug 10, 2023 at 10:45:41PM +0100, Rayyan Ansari wrote: >>> Add the iommu property to the host1x node to register it with its >>> swgroup. >>> >>> Signed-off-by: Rayyan Ansari >>> --- >>>   arch/arm64/boot/dts/nvidia/tegra132.dtsi | 2 ++ >>>   1 file changed, 2 insertions(+) >> >> Do you happen to have a Tegra132 device that you can test upstream Linux >> on? Just asking out of curiosity because these devices are becoming very >> rare these days and it'd be good to know if people are still using these >> and that recent Linux kernels are still running on them. > > I do - I have the Nexus 9. At some point I was trying to mainline it, > but I stopped as I couldn't manage to get USB working - I only got > simplefb working. If it would be useful I could see if my old patches > work now and submit them. I looked through my old notes and I was able to get USB host mode (ie USB OTG) working but not USB device mode. > >> >> Thierry > -- Rayyan Ansari https://ansari.sh