AuxXxilium/linux_dsm_epyc7002
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4523a56115
linux_dsm_epyc7002/drivers/net/ethernet/stmicro
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Biao Huang 4523a56115 net: stmmac: update rx tail pointer register to fix rx dma hang issue. 
Currently we will not update the receive descriptor tail pointer in
stmmac_rx_refill. Rx dma will think no available descriptors and stop
once received packets exceed DMA_RX_SIZE, so that the rx only test will fail.

Update the receive tail pointer in stmmac_rx_refill to add more descriptors
to the rx channel, so packets can be received continually

Fixes: 54139cf3bb ("net: stmmac: adding multiple buffers for rx")
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-25 11:02:31 -07:00
..
stmmac net: stmmac: update rx tail pointer register to fix rx dma hang issue. 2019-05-25 11:02:31 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00