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Merge branch 'net-timeout-fixes-for-GENET-and-SYSTEMPORT'

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Florian Fainelli says:

====================
net: timeout fixes for GENET and SYSTEMPORT

This patch series fixes occasional transmit timeout around the time
the system goes into suspend. GENET and SYSTEMPORT have nearly the same
logic in that regard and were both affected in the same way.

Please queue up for stable, thanks!
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-11-03 00:03:40 -07:00
commit 265ad0632f
2 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/ethernet/broadcom/bcmsysport.c
View File

@ -1902,9 +1902,6 @@ static void bcm_sysport_netif_start(struct net_device *dev)
intrl2_1_mask_clear(priv, 0xffffffff);
else
intrl2_0_mask_clear(priv, INTRL2_0_TDMA_MBDONE_MASK);
/* Last call before we start the real business */
netif_tx_start_all_queues(dev);
}
static void rbuf_init(struct bcm_sysport_priv *priv)
@ -2048,6 +2045,8 @@ static int bcm_sysport_open(struct net_device *dev)
bcm_sysport_netif_start(dev);
netif_tx_start_all_queues(dev);
return 0;
out_clear_rx_int:
@ -2071,7 +2070,7 @@ static void bcm_sysport_netif_stop(struct net_device *dev)
struct bcm_sysport_priv *priv = netdev_priv(dev);
/* stop all software from updating hardware */
netif_tx_stop_all_queues(dev);
netif_tx_disable(dev);
napi_disable(&priv->napi);
cancel_work_sync(&priv->dim.dim.work);
phy_stop(dev->phydev);
@ -2658,12 +2657,12 @@ static int __maybe_unused bcm_sysport_suspend(struct device *d)
if (!netif_running(dev))
return 0;
netif_device_detach(dev);
bcm_sysport_netif_stop(dev);
phy_suspend(dev->phydev);
netif_device_detach(dev);
/* Disable UniMAC RX */
umac_enable_set(priv, CMD_RX_EN, 0);
@ -2746,8 +2745,6 @@ static int __maybe_unused bcm_sysport_resume(struct device *d)
goto out_free_rx_ring;
}
netif_device_attach(dev);
/* RX pipe enable */
topctrl_writel(priv, 0, RX_FLUSH_CNTL);
@ -2788,6 +2785,8 @@ static int __maybe_unused bcm_sysport_resume(struct device *d)
bcm_sysport_netif_start(dev);
netif_device_attach(dev);
return 0;
out_free_rx_ring:

13
drivers/net/ethernet/broadcom/genet/bcmgenet.c
View File

@ -2855,7 +2855,6 @@ static void bcmgenet_netif_start(struct net_device *dev)
umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, true);
netif_tx_start_all_queues(dev);
bcmgenet_enable_tx_napi(priv);
/* Monitor link interrupts now */
@ -2937,6 +2936,8 @@ static int bcmgenet_open(struct net_device *dev)
bcmgenet_netif_start(dev);
netif_tx_start_all_queues(dev);
return 0;
err_irq1:
@ -2958,7 +2959,7 @@ static void bcmgenet_netif_stop(struct net_device *dev)
struct bcmgenet_priv *priv = netdev_priv(dev);
bcmgenet_disable_tx_napi(priv);
netif_tx_stop_all_queues(dev);
netif_tx_disable(dev);
/* Disable MAC receive */
umac_enable_set(priv, CMD_RX_EN, false);
@ -3620,13 +3621,13 @@ static int bcmgenet_suspend(struct device *d)
if (!netif_running(dev))
return 0;
netif_device_detach(dev);
bcmgenet_netif_stop(dev);
if (!device_may_wakeup(d))
phy_suspend(dev->phydev);
netif_device_detach(dev);
/* Prepare the device for Wake-on-LAN and switch to the slow clock */
if (device_may_wakeup(d) && priv->wolopts) {
ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);
@ -3700,8 +3701,6 @@ static int bcmgenet_resume(struct device *d)
/* Always enable ring 16 - descriptor ring */
bcmgenet_enable_dma(priv, dma_ctrl);
netif_device_attach(dev);
if (!device_may_wakeup(d))
phy_resume(dev->phydev);
@ -3710,6 +3709,8 @@ static int bcmgenet_resume(struct device *d)
bcmgenet_netif_start(dev);
netif_device_attach(dev);
return 0;
out_clk_disable: