linux-kernel - Re: add swiotlb support to arm32

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Message-ID: <20190719123318.GA30713@lst.de>
Date:   Fri, 19 Jul 2019 14:33:18 +0200
From:   Christoph Hellwig <hch@....de>
To:     Vignesh Raghavendra <vigneshr@...com>
Cc:     Christoph Hellwig <hch@....de>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        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

On Wed, Jul 17, 2019 at 06:51:46PM +0530, Vignesh Raghavendra wrote:
> > 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!

Thanks for testing!  Russell, do you want to pick this up via the
arm tree, or should I queue it up in the dma-mapping tree?

> 
> -- 
> Regards
> Vignesh
---end quoted text---