mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-27 03:47:43 +00:00
Merge branch 'fec-next'
Russell King says: ==================== Freescale ethernet driver updates (part 2) Here's the second batch of patches for the Freescale FEC ethernet driver, based upon the previous set of patches. One further set of 7 patches remains. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
35560392e3
@ -818,12 +818,13 @@ static void fec_enet_bd_init(struct net_device *dev)
|
||||
fep->dirty_tx = bdp;
|
||||
}
|
||||
|
||||
/* This function is called to start or restart the FEC during a link
|
||||
* change. This only happens when switching between half and full
|
||||
* duplex.
|
||||
/*
|
||||
* This function is called to start or restart the FEC during a link
|
||||
* change, transmit timeout, or to reconfigure the FEC. The network
|
||||
* packet processing for this device must be stopped before this call.
|
||||
*/
|
||||
static void
|
||||
fec_restart(struct net_device *ndev, int duplex)
|
||||
fec_restart(struct net_device *ndev)
|
||||
{
|
||||
struct fec_enet_private *fep = netdev_priv(ndev);
|
||||
const struct platform_device_id *id_entry =
|
||||
@ -834,13 +835,6 @@ fec_restart(struct net_device *ndev, int duplex)
|
||||
u32 rcntl = OPT_FRAME_SIZE | 0x04;
|
||||
u32 ecntl = 0x2; /* ETHEREN */
|
||||
|
||||
if (netif_running(ndev)) {
|
||||
netif_device_detach(ndev);
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_disable(ndev);
|
||||
netif_tx_lock_bh(ndev);
|
||||
}
|
||||
|
||||
/* Whack a reset. We should wait for this. */
|
||||
writel(1, fep->hwp + FEC_ECNTRL);
|
||||
udelay(10);
|
||||
@ -881,7 +875,7 @@ fec_restart(struct net_device *ndev, int duplex)
|
||||
}
|
||||
|
||||
/* Enable MII mode */
|
||||
if (duplex) {
|
||||
if (fep->full_duplex == DUPLEX_FULL) {
|
||||
/* FD enable */
|
||||
writel(0x04, fep->hwp + FEC_X_CNTRL);
|
||||
} else {
|
||||
@ -890,8 +884,6 @@ fec_restart(struct net_device *ndev, int duplex)
|
||||
writel(0x0, fep->hwp + FEC_X_CNTRL);
|
||||
}
|
||||
|
||||
fep->full_duplex = duplex;
|
||||
|
||||
/* Set MII speed */
|
||||
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
|
||||
|
||||
@ -1009,13 +1001,6 @@ fec_restart(struct net_device *ndev, int duplex)
|
||||
|
||||
/* Enable interrupts we wish to service */
|
||||
writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
|
||||
|
||||
if (netif_running(ndev)) {
|
||||
netif_tx_unlock_bh(ndev);
|
||||
netif_wake_queue(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
netif_device_attach(ndev);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
@ -1065,11 +1050,20 @@ static void fec_enet_work(struct work_struct *work)
|
||||
container_of(work,
|
||||
struct fec_enet_private,
|
||||
delay_work.delay_work.work);
|
||||
struct net_device *ndev = fep->netdev;
|
||||
|
||||
if (fep->delay_work.timeout) {
|
||||
fep->delay_work.timeout = false;
|
||||
fec_restart(fep->netdev, fep->full_duplex);
|
||||
netif_wake_queue(fep->netdev);
|
||||
rtnl_lock();
|
||||
if (netif_device_present(ndev) || netif_running(ndev)) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(ndev);
|
||||
fec_restart(ndev);
|
||||
netif_wake_queue(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
}
|
||||
rtnl_unlock();
|
||||
}
|
||||
|
||||
if (fep->delay_work.trig_tx) {
|
||||
@ -1502,14 +1496,23 @@ static void fec_enet_adjust_link(struct net_device *ndev)
|
||||
return;
|
||||
}
|
||||
|
||||
if (phy_dev->link) {
|
||||
/*
|
||||
* If the netdev is down, or is going down, we're not interested
|
||||
* in link state events, so just mark our idea of the link as down
|
||||
* and ignore the event.
|
||||
*/
|
||||
if (!netif_running(ndev) || !netif_device_present(ndev)) {
|
||||
fep->link = 0;
|
||||
} else if (phy_dev->link) {
|
||||
if (!fep->link) {
|
||||
fep->link = phy_dev->link;
|
||||
status_change = 1;
|
||||
}
|
||||
|
||||
if (fep->full_duplex != phy_dev->duplex)
|
||||
if (fep->full_duplex != phy_dev->duplex) {
|
||||
fep->full_duplex = phy_dev->duplex;
|
||||
status_change = 1;
|
||||
}
|
||||
|
||||
if (phy_dev->speed != fep->speed) {
|
||||
fep->speed = phy_dev->speed;
|
||||
@ -1517,11 +1520,21 @@ static void fec_enet_adjust_link(struct net_device *ndev)
|
||||
}
|
||||
|
||||
/* if any of the above changed restart the FEC */
|
||||
if (status_change)
|
||||
fec_restart(ndev, phy_dev->duplex);
|
||||
if (status_change) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(ndev);
|
||||
fec_restart(ndev);
|
||||
netif_wake_queue(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
}
|
||||
} else {
|
||||
if (fep->link) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(ndev);
|
||||
fec_stop(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
fep->link = phy_dev->link;
|
||||
status_change = 1;
|
||||
}
|
||||
@ -1903,8 +1916,14 @@ static int fec_enet_set_pauseparam(struct net_device *ndev,
|
||||
fec_stop(ndev);
|
||||
phy_start_aneg(fep->phy_dev);
|
||||
}
|
||||
if (netif_running(ndev))
|
||||
fec_restart(ndev, fep->full_duplex);
|
||||
if (netif_running(ndev)) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(ndev);
|
||||
fec_restart(ndev);
|
||||
netif_wake_queue(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -2182,6 +2201,7 @@ fec_enet_open(struct net_device *ndev)
|
||||
return ret;
|
||||
}
|
||||
|
||||
fec_restart(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
phy_start(fep->phy_dev);
|
||||
netif_start_queue(ndev);
|
||||
@ -2195,10 +2215,11 @@ fec_enet_close(struct net_device *ndev)
|
||||
|
||||
phy_stop(fep->phy_dev);
|
||||
|
||||
/* Don't know what to do yet. */
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_disable(ndev);
|
||||
fec_stop(ndev);
|
||||
if (netif_device_present(ndev)) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_disable(ndev);
|
||||
fec_stop(ndev);
|
||||
}
|
||||
|
||||
phy_disconnect(fep->phy_dev);
|
||||
fep->phy_dev = NULL;
|
||||
@ -2329,12 +2350,21 @@ static void fec_poll_controller(struct net_device *dev)
|
||||
}
|
||||
#endif
|
||||
|
||||
#define FEATURES_NEED_QUIESCE NETIF_F_RXCSUM
|
||||
|
||||
static int fec_set_features(struct net_device *netdev,
|
||||
netdev_features_t features)
|
||||
{
|
||||
struct fec_enet_private *fep = netdev_priv(netdev);
|
||||
netdev_features_t changed = features ^ netdev->features;
|
||||
|
||||
/* Quiesce the device if necessary */
|
||||
if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) {
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(netdev);
|
||||
fec_stop(netdev);
|
||||
}
|
||||
|
||||
netdev->features = features;
|
||||
|
||||
/* Receive checksum has been changed */
|
||||
@ -2343,14 +2373,14 @@ static int fec_set_features(struct net_device *netdev,
|
||||
fep->csum_flags |= FLAG_RX_CSUM_ENABLED;
|
||||
else
|
||||
fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED;
|
||||
}
|
||||
|
||||
if (netif_running(netdev)) {
|
||||
fec_stop(netdev);
|
||||
fec_restart(netdev, fep->phy_dev->duplex);
|
||||
netif_wake_queue(netdev);
|
||||
} else {
|
||||
fec_restart(netdev, fep->phy_dev->duplex);
|
||||
}
|
||||
/* Resume the device after updates */
|
||||
if (netif_running(netdev) && changed & FEATURES_NEED_QUIESCE) {
|
||||
fec_restart(netdev);
|
||||
netif_wake_queue(netdev);
|
||||
netif_tx_unlock_bh(netdev);
|
||||
napi_enable(&fep->napi);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -2451,7 +2481,7 @@ static int fec_enet_init(struct net_device *ndev)
|
||||
|
||||
ndev->hw_features = ndev->features;
|
||||
|
||||
fec_restart(ndev, 0);
|
||||
fec_restart(ndev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -2680,11 +2710,17 @@ fec_suspend(struct device *dev)
|
||||
struct net_device *ndev = dev_get_drvdata(dev);
|
||||
struct fec_enet_private *fep = netdev_priv(ndev);
|
||||
|
||||
rtnl_lock();
|
||||
if (netif_running(ndev)) {
|
||||
phy_stop(fep->phy_dev);
|
||||
fec_stop(ndev);
|
||||
napi_disable(&fep->napi);
|
||||
netif_tx_lock_bh(ndev);
|
||||
netif_device_detach(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
fec_stop(ndev);
|
||||
}
|
||||
rtnl_unlock();
|
||||
|
||||
fec_enet_clk_enable(ndev, false);
|
||||
pinctrl_pm_select_sleep_state(&fep->pdev->dev);
|
||||
|
||||
@ -2712,11 +2748,16 @@ fec_resume(struct device *dev)
|
||||
if (ret)
|
||||
goto failed_clk;
|
||||
|
||||
rtnl_lock();
|
||||
if (netif_running(ndev)) {
|
||||
fec_restart(ndev, fep->full_duplex);
|
||||
fec_restart(ndev);
|
||||
netif_tx_lock_bh(ndev);
|
||||
netif_device_attach(ndev);
|
||||
netif_tx_unlock_bh(ndev);
|
||||
napi_enable(&fep->napi);
|
||||
phy_start(fep->phy_dev);
|
||||
}
|
||||
rtnl_unlock();
|
||||
|
||||
return 0;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user