[PATCH net-next 03/10] net: stmmac: Decrease default RX Watchdog value

[Jose Abreu]

For performance reasons decrease the default RX Watchdog value for the
minimum allowed.

Signed-off-by: Jose Abreu <joab...@synopsys.com>
Cc: Joao Pinto <jpi...@synopsys.com>
Cc: David S. Miller <da...@davemloft.net>
Cc: Giuseppe Cavallaro <peppe.cavall...@st.com>
Cc: Alexandre Torgue <alexandre.tor...@st.com>
---
 drivers/net/ethernet/stmicro/stmmac/common.h      | 2 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h 
b/drivers/net/ethernet/stmicro/stmmac/common.h
index ad9e9368535d..14d8f6d7cb9a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -246,7 +246,7 @@ struct stmmac_safety_stats {
 
 /* Max/Min RI Watchdog Timer count value */
 #define MAX_DMA_RIWT           0xff
-#define MIN_DMA_RIWT           0x20
+#define MIN_DMA_RIWT           0x10
 /* Tx coalesce parameters */
 #define STMMAC_COAL_TX_TIMER   1000
 #define STMMAC_MAX_COAL_TX_TICK        100000
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index fab65f129207..dc57a2c0a630 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2512,9 +2512,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool 
init_ptp)
        priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS;
 
        if (priv->use_riwt) {
-               ret = stmmac_rx_watchdog(priv, priv->ioaddr, MAX_DMA_RIWT, 
rx_cnt);
+               ret = stmmac_rx_watchdog(priv, priv->ioaddr, MIN_DMA_RIWT, 
rx_cnt);
                if (!ret)
-                       priv->rx_riwt = MAX_DMA_RIWT;
+                       priv->rx_riwt = MIN_DMA_RIWT;
        }
 
        if (priv->hw->pcs)
-- 
2.7.4