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drivers/net: Remove CONFIG_WIZNET_TX_FLOW option 

This option was there for debugging race conditions,
just remove it, and assume TX_FLOW is always enabled.

Signed-off-by: Mike Sinkovsky <msink@permonline.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mike Sinkovsky 2012-04-11 20:14:48 +00:00 committed by David S. Miller
parent cade455596
commit 376b16f409
3 changed files with 5 additions and 17 deletions
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8
drivers/net/ethernet/wiznet/Kconfig
View File

@ -70,12 +70,4 @@ config WIZNET_BUS_ANY
Performance may decrease compared to explicitly selected bus mode.
endchoice
config WIZNET_TX_FLOW
bool "Use transmit flow control"
depends on WIZNET_W5100 || WIZNET_W5300
default y
help
This enables transmit flow control for WIZnet chips.
If unsure, say Y.
endif # NET_VENDOR_WIZNET

5
drivers/net/ethernet/wiznet/w5100.c
View File

@ -441,8 +441,7 @@ static int w5100_start_tx(struct sk_buff *skb, struct net_device *ndev)
struct w5100_priv *priv = netdev_priv(ndev);
u16 offset;
if (IS_ENABLED(CONFIG_WIZNET_TX_FLOW))
netif_stop_queue(ndev);
netif_stop_queue(ndev);
offset = w5100_read16(priv, W5100_S0_TX_WR);
w5100_writebuf(priv, offset, skb->data, skb->len);
@ -517,7 +516,7 @@ static irqreturn_t w5100_interrupt(int irq, void *ndev_instance)
w5100_write(priv, W5100_S0_IR, ir);
mmiowb();
if (IS_ENABLED(CONFIG_WIZNET_TX_FLOW) && (ir & S0_IR_SENDOK)) {
if (ir & S0_IR_SENDOK) {
netif_dbg(priv, tx_done, ndev, "tx done\n");
netif_wake_queue(ndev);
}

9
drivers/net/ethernet/wiznet/w5300.c
View File

@ -273,9 +273,7 @@ static void w5300_hw_start(struct w5300_priv *priv)
S0_MR_MACRAW : S0_MR_MACRAW_MF);
mmiowb();
w5300_command(priv, S0_CR_OPEN);
w5300_write(priv, W5300_S0_IMR, IS_ENABLED(CONFIG_WIZNET_TX_FLOW) ?
S0_IR_RECV | S0_IR_SENDOK :
S0_IR_RECV);
w5300_write(priv, W5300_S0_IMR, S0_IR_RECV | S0_IR_SENDOK);
w5300_write(priv, W5300_IMR, IR_S0);
mmiowb();
}
@ -371,8 +369,7 @@ static int w5300_start_tx(struct sk_buff *skb, struct net_device *ndev)
{
struct w5300_priv *priv = netdev_priv(ndev);
if (IS_ENABLED(CONFIG_WIZNET_TX_FLOW))
netif_stop_queue(ndev);
netif_stop_queue(ndev);
w5300_write_frame(priv, skb->data, skb->len);
mmiowb();
@ -439,7 +436,7 @@ static irqreturn_t w5300_interrupt(int irq, void *ndev_instance)
w5300_write(priv, W5300_S0_IR, ir);
mmiowb();
if (IS_ENABLED(CONFIG_WIZNET_TX_FLOW) && (ir & S0_IR_SENDOK)) {
if (ir & S0_IR_SENDOK) {
netif_dbg(priv, tx_done, ndev, "tx done\n");
netif_wake_queue(ndev);
}