[PATCH 1/6] net: dwc_eth_qos: Fully rewrite RX descriptor field 3

Stephen Warren swarren at wwwdotorg.org
Mon Mar 23 17:39:17 CET 2020

On 3/22/20 7:45 PM, Marek Vasut wrote:
> The RX descriptor field 3 should contain only OWN and BUF1V bits before
> being used for receiving data by the DMA engine. However, right now, if
> the descriptor was already used for receiving data and is being cleared,
> the field 3 is only modified and the aforementioned two bits are ORRed
> into the field. This could lead to a residual dirty bits being left in
> the field 3 from previous transfer, and it generally does. Fully set the
> field 3 instead to clear those residual dirty bits.

The series,
Tested-by: Stephen Warren <swarren at nvidia.com>
(On Jetson, using test/py tests)

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