Re: [PATCH v6 2/7] net: macb: Add DMA 64-bit address support for macb

2020-12-15 Thread Bin Meng
On Mon, Dec 14, 2020 at 7:08 PM Padmarao Begari wrote: > > Enable 32-bit or 64-bit DMA in the macb driver based on the macb > hardware compatibility and it is configured with structure macb_config > in the driver. > > The Microchip PolarFire SoC Memory Protection Unit(MPU) gives the 64-bit > DMA a

[PATCH v6 2/7] net: macb: Add DMA 64-bit address support for macb

2020-12-14 Thread Padmarao Begari
Enable 32-bit or 64-bit DMA in the macb driver based on the macb hardware compatibility and it is configured with structure macb_config in the driver. The Microchip PolarFire SoC Memory Protection Unit(MPU) gives the 64-bit DMA access with the GEM, the MPU transactions on the AXI bus is 64-bit not