Messages in this thread | | | From | Joe Hershberger <> | Subject | Re: [U-Boot] [PATCH] net: macb: Clean 64b dma addresses if they are not detected | Date | Wed, 19 Sep 2018 17:11:45 +0000 |
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On Wed, Sep 19, 2018 at 11:08 AM Michal Simek <michal.simek@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.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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