On Wed, Sep 19, 2018 at 11:08 AM Michal Simek <[email protected]> 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 <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
