linux-kernel - Re: [PATCH/RFC] driver core: Postpone DMA tear-down until after devres release

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Message-ID: <20190208075226.GA22538@lst.de>
Date:   Fri, 8 Feb 2019 08:52:26 +0100
From:   Christoph Hellwig <hch@....de>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Robin Murphy <robin.murphy@....com>,
        Christoph Hellwig <hch@....de>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Joerg Roedel <joro@...tes.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH/RFC] driver core: Postpone DMA tear-down until after
 devres release

Yes, we should not reset the DMA ops before releasing all resources:

Acked-by: Christoph Hellwig <hch@....de>