On Thu, Jul 18, 2019 at 11:03 AM Jerome Brunet <[email protected]> wrote: > > If unspecified in DT, the fifo sizes are not automatically detected by > the dwmac1000 dma driver and the reported fifo sizes default to 0. > Because of this, flow control will be turned off on the device. > > Add the fifo sizes provided by the datasheets in the SoC in DT so > flow control may be enabled if necessary. (only worth updating if you have to re-send it for whatever reason) as far as I understand the stmmac code (dwmac1000_dma_operation_mode_{rx,tx}) "RX flow control" depends on the RX FIFO size but TX doesn't
> Signed-off-by: Jerome Brunet <[email protected]> Reviewed-by: Martin Blumenstingl <[email protected]>
