On Wed, Sep 19, 2018 at 11:08 AM Michal Simek <michal.si...@xilinx.com> wrote:
>
> Clear ADDR64 dma bit in DMACFG register in case that HW_DMA_CAP_64B
> is not detected on 64bit system.
> The issue was observed when bootloader(u-boot) does not check macb
> feature at DCFG6 register (DAW64_OFFSET) and enabling 64bit dma support
> by default. Then macb driver is reading DMACFG register back and only
> adding 64bit dma configuration but not cleaning it out.
>
> This is also align with other features which are also cleared if they are not
> present.
>
> Signed-off-by: Michal Simek <michal.si...@xilinx.com>

Acked-by: Joe Hershberger <joe.hershber...@ni.com>
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