linux-kernel - Re: add swiotlb support to arm32

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Message-ID: <6a56eacd-d481-de93-e0d8-64d8385de214@ti.com>
Date:   Wed, 17 Jul 2019 18:51:46 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Christoph Hellwig <hch@....de>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>
CC:     Roger Quadros <rogerq@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: add swiotlb support to arm32

Hi,

On 09/07/19 7:50 PM, Christoph Hellwig wrote:
> Hi Russell,
> 
> This series adds swiotlb support to the 32-bit arm port to ensure
> platforms with LPAE support can support DMA mapping for all devices
> using 32-bit dma masks, just like we do on other ports that support
>> 32-bit physical addressing and don't have an iommu.


This series fixes SATA errors seen on TI platforms with LPAE like DRA7
Rev H EVM.

Tested-by: Vignesh Raghavendra <vigneshr@...com>

Thanks for the fix!

-- 
Regards
Vignesh