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Date:   Wed, 27 Oct 2021 10:08:37 +0200
From:   Joerg Roedel <joro@8bytes.org>
To:     Sven Peter <sven@svenpeter.dev>
Cc:     Martin =?utf-8?Q?Povi=C5=A1er?= <povik@protonmail.com>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Hector Martin <marcan@marcan.st>,
        Will Deacon <will@kernel.org>,
        iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/dart: Initialize DART_STREAMS_ENABLE
Message-ID: <YXkJBXCnzZ/MgYFV@8bytes.org>
References: <20211019162253.45919-1-sven@svenpeter.dev>
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On Tue, Oct 19, 2021 at 06:22:53PM +0200, Sven Peter wrote:
> DART has an additional global register to control which streams are
> isolated. This register is a bit redundant since DART_TCR can already
> be used to control isolation and is usually initialized to DART_STREAM_ALL
> by the time we get control. Some DARTs (namely the one used for the audio
> controller) however have some streams disabled initially. Make sure those
> work by initializing DART_STREAMS_ENABLE during reset.
> 
> Reported-by: Martin Povišer <povik@protonmail.com>
> Signed-off-by: Sven Peter <sven@svenpeter.dev>
> ---

Applied, thanks.