net: stmmac: gmac4+: Remove uneeded computation for RFA/RFD

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RFA and RFD should not be dependent on FIFO size. In fact, the more FIFO
space we have, the later we can activate Flow Control. Let's use
hard-coded values for RFA and RFD for all FIFO sizes with the exception
of 4k, which is a special case.

Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jose Abreu 2019-11-14 12:42:47 +01:00 • committed by David S. Miller

parent 4e4337ccf7

commit 854248e5ec

1 changed files with 2 additions and 12 deletions

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14

drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c

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