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 <[email protected]>
---
Cc: Giuseppe Cavallaro <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Jose Abreu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index f148cb2061d8..22a7f0cc1b90 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -183,19 +183,9 @@ static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,
rfa = 0x01; /* Full-1.5K */
break;
- case 8192:
- rfd = 0x06; /* Full-4K */
- rfa = 0x0a; /* Full-6K */
- break;
-
- case 16384:
- rfd = 0x06; /* Full-4K */
- rfa = 0x12; /* Full-10K */
- break;
-
default:
- rfd = 0x06; /* Full-4K */
- rfa = 0x1e; /* Full-16K */
+ rfd = 0x07; /* Full-4.5K */
+ rfa = 0x04; /* Full-3K */
break;
}
--
2.7.4