[PATCH V3] net: dwc_eth_qos: Pad descriptors to cacheline size

Marek Vasut marex at denx.de
Thu Jan 7 19:16:22 CET 2021


On 1/7/21 5:33 PM, Stephen Warren wrote:
> On 1/7/21 3:12 AM, Marek Vasut wrote:
>> The DWMAC4 IP has the possibility to skip up to 7 AXI bus width size words
>> after the descriptor. Use this to pad the descriptors to cacheline size and
>> remove the need for noncached memory altogether. Moreover, this lets Tegra
>> use the generic cache flush / invalidate operations.
> 
> Tested-by: Stephen Warren <swarren at nvidia.com>
> Reviewed-by: Stephen Warren <swarren at nvidia.com>

Thanks.

This also really needs a TB/RB from ST before this is applied.


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