linux-kernel - [PATCH 2/4] pch_gbe: Remove tx_queue

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Date:	Thu, 28 Nov 2013 10:44:40 +0100
From:	Ondrej Puzman <puzman@...il.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ondrej Puzman <puzman@...il.com>
Subject: [PATCH 2/4] pch_gbe: Remove tx_queue_len setting from the driver

The driver should not touch netdev tx_queue_len when changing link speed.

Signed-off-by: Ondrej Puzman <puzman@...il.com>
---
 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h    |    2 --
 .../net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c   |    5 -----
 2 files changed, 0 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
index 2a900307..f450d09 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h
@@ -615,7 +615,6 @@ struct pch_gbe_privdata {
  * @tx_ring:		Pointer of Tx descriptor ring structure
  * @rx_ring:		Pointer of Rx descriptor ring structure
  * @rx_buffer_len:	Receive buffer length
- * @tx_queue_len:	Transmit queue length
  * @have_msi:		PCI MSI mode flag
  * @pch_gbe_privdata:	PCI Device ID driver_data
  */
@@ -639,7 +638,6 @@ struct pch_gbe_adapter {
 	struct pch_gbe_tx_ring *tx_ring;
 	struct pch_gbe_rx_ring *rx_ring;
 	unsigned long rx_buffer_len;
-	unsigned long tx_queue_len;
 	bool have_msi;
 	bool rx_stop_flag;
 	int hwts_tx_en;
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index 6764e59..d967603 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
@@ -1076,11 +1076,9 @@ static void pch_gbe_set_mode(struct pch_gbe_adapter *adapter, u16 speed,
 	switch (speed) {
 	case SPEED_10:
 		mode = PCH_GBE_MODE_MII_ETHER;
-		netdev->tx_queue_len = 10;
 		break;
 	case SPEED_100:
 		mode = PCH_GBE_MODE_MII_ETHER;
-		netdev->tx_queue_len = 100;
 		break;
 	case SPEED_1000:
 		mode = PCH_GBE_MODE_GMII_ETHER;
@@ -1108,7 +1106,6 @@ static void pch_gbe_watchdog(unsigned long data)
 	pch_gbe_update_stats(adapter);
 	if ((mii_link_ok(&adapter->mii)) && (!netif_carrier_ok(netdev))) {
 		struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET };
-		netdev->tx_queue_len = adapter->tx_queue_len;
 		/* mii library handles link maintenance tasks */
 		if (mii_ethtool_gset(&adapter->mii, &cmd)) {
 			netdev_err(netdev, "ethtool get setting Error\n");
@@ -1975,7 +1972,6 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter)
 	}
 	pch_gbe_alloc_tx_buffers(adapter, tx_ring);
 	pch_gbe_alloc_rx_buffers(adapter, rx_ring, rx_ring->count);
-	adapter->tx_queue_len = netdev->tx_queue_len;
 	pch_gbe_enable_dma_rx(&adapter->hw);
 	pch_gbe_enable_mac_rx(&adapter->hw);
 
@@ -2013,7 +2009,6 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter)
 
 	del_timer_sync(&adapter->watchdog_timer);
 
-	netdev->tx_queue_len = adapter->tx_queue_len;
 	netif_carrier_off(netdev);
 	netif_stop_queue(netdev);
 
-- 
1.7.2.3

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