linux-kernel - Re: dma_mask limited to 32-bits with OF platform device

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Date:   Tue, 18 Feb 2020 09:26:17 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Christoph Hellwig <hch@....de>, Robin Murphy <robin.murphy@....com>
CC:     Roger Quadros <rogerq@...com>,
        Murali Karicheri <m-karicheri2@...com>,
        "Nori, Sekhar" <nsekhar@...com>, "Anna, Suman" <s-anna@...com>,
        <stefan.wahren@...e.com>, <afaerber@...e.de>, <hverkuil@...all.nl>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Nishanth Menon <nm@...com>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>
Subject: Re: dma_mask limited to 32-bits with OF platform device

Christoph,

On 17/02/2020 16.54, Peter Ujfalusi wrote:
> Christoph,
> 
> On 17/02/2020 15.21, Christoph Hellwig wrote:
>> Roger,
>>
>> can you try the branch below and check if that helps?
>>
>>     git://git.infradead.org/users/hch/misc.git arm-dma-bus-limit
>>
>> Gitweb:
>>
>>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/arm-dma-bus-limit
> 
> I'll test them on k2 tomorrow ;)

fwiw, k2g works fine with the three patch applied. MMC uses ADMA, EDMA
probes and audio works.

- Péter

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