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Message-ID: <20220629062837.GA17140@lst.de>
Date:   Wed, 29 Jun 2022 08:28:37 +0200
From:   Christoph Hellwig <hch@....de>
To:     Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Andre Przywara <andre.przywara@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: fully convert arm to use dma-direct v3

Any comments or additional testing?  It would be really great to get
this off the table.

On Tue, Jun 14, 2022 at 11:20:37AM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> arm is the last platform not using the dma-direct code for directly
> mapped DMA.  With the dmaboune removal from Arnd we can easily switch
> arm to always use dma-direct now (it already does for LPAE configs
> and nommu).  I'd love to merge this series through the dma-mapping tree
> as it gives us the opportunity for additional core dma-mapping
> improvements.
> 
> Changes since v2:
>  - rebased to Linux 5.19-rc2
> 
> Changes since v1:
>  - remove another unused function
>  - improve a few commit logs
>  - add three more patches from Robin
> 
> Diffstat:
>  arch/arm/common/dmabounce.c                          |  582 -----------------
>  arch/arm/include/asm/dma-mapping.h                   |  128 ---
>  b/arch/arm/Kconfig                                   |    5 
>  b/arch/arm/common/Kconfig                            |    6 
>  b/arch/arm/common/Makefile                           |    1 
>  b/arch/arm/common/sa1111.c                           |   64 -
>  b/arch/arm/include/asm/device.h                      |    3 
>  b/arch/arm/include/asm/dma-direct.h                  |   49 -
>  b/arch/arm/include/asm/memory.h                      |    2 
>  b/arch/arm/mach-footbridge/Kconfig                   |    1 
>  b/arch/arm/mach-footbridge/common.c                  |   19 
>  b/arch/arm/mach-footbridge/include/mach/dma-direct.h |    8 
>  b/arch/arm/mach-footbridge/include/mach/memory.h     |    4 
>  b/arch/arm/mach-highbank/highbank.c                  |    2 
>  b/arch/arm/mach-mvebu/coherency.c                    |    2 
>  b/arch/arm/mm/dma-mapping.c                          |  649 ++-----------------
>  b/drivers/usb/core/hcd.c                             |   17 
>  b/drivers/usb/host/ohci-sa1111.c                     |   25 
>  18 files changed, 137 insertions(+), 1430 deletions(-)
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
---end quoted text---

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