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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c87
1 files changed, 32 insertions, 55 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 633c128a6228..d2439b85a790 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1982,8 +1982,6 @@ static void tg3_power_down_phy(struct tg3 *tp)
static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
{
u32 misc_host_ctrl;
- u16 power_control, power_caps;
- int pm = tp->pm_cap;
/* Make sure register accesses (indirect or otherwise)
* will function correctly.
@@ -1992,18 +1990,10 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
TG3PCI_MISC_HOST_CTRL,
tp->misc_host_ctrl);
- pci_read_config_word(tp->pdev,
- pm + PCI_PM_CTRL,
- &power_control);
- power_control |= PCI_PM_CTRL_PME_STATUS;
- power_control &= ~(PCI_PM_CTRL_STATE_MASK);
switch (state) {
case PCI_D0:
- power_control |= 0;
- pci_write_config_word(tp->pdev,
- pm + PCI_PM_CTRL,
- power_control);
- udelay(100); /* Delay after power state change */
+ pci_enable_wake(tp->pdev, state, false);
+ pci_set_power_state(tp->pdev, PCI_D0);
/* Switch out of Vaux if it is a NIC */
if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
@@ -2012,26 +2002,15 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
return 0;
case PCI_D1:
- power_control |= 1;
- break;
-
case PCI_D2:
- power_control |= 2;
- break;
-
case PCI_D3hot:
- power_control |= 3;
break;
default:
- printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
- "requested.\n",
- tp->dev->name, state);
+ printk(KERN_ERR PFX "%s: Invalid power state (D%d) requested\n",
+ tp->dev->name, state);
return -EINVAL;
}
-
- power_control |= PCI_PM_CTRL_PME_ENABLE;
-
misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
tw32(TG3PCI_MISC_HOST_CTRL,
misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
@@ -2109,8 +2088,6 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
WOL_DRV_WOL |
WOL_SET_MAGIC_PKT);
- pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
-
if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
u32 mac_mode;
@@ -2143,8 +2120,8 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
tw32(MAC_LED_CTRL, tp->led_ctrl);
- if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
- (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
+ if (pci_pme_capable(tp->pdev, state) &&
+ (tp->tg3_flags & TG3_FLAG_WOL_ENABLE))
mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
tw32_f(MAC_MODE, mac_mode);
@@ -2236,9 +2213,11 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
+ if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
+ pci_enable_wake(tp->pdev, state, true);
+
/* Finally, set the new power state. */
- pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
- udelay(100); /* Delay after power state change */
+ pci_set_power_state(tp->pdev, state);
return 0;
}
@@ -7708,21 +7687,11 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
*/
static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
- int err;
-
- /* Force the chip into D0. */
- err = tg3_set_power_state(tp, PCI_D0);
- if (err)
- goto out;
-
tg3_switch_clocks(tp);
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
- err = tg3_reset_hw(tp, reset_phy);
-
-out:
- return err;
+ return tg3_reset_hw(tp, reset_phy);
}
#define TG3_STAT_ADD32(PSTAT, REG) \
@@ -8037,13 +8006,11 @@ static int tg3_open(struct net_device *dev)
netif_carrier_off(tp->dev);
- tg3_full_lock(tp, 0);
-
err = tg3_set_power_state(tp, PCI_D0);
- if (err) {
- tg3_full_unlock(tp);
+ if (err)
return err;
- }
+
+ tg3_full_lock(tp, 0);
tg3_disable_ints(tp);
tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
@@ -9065,7 +9032,8 @@ static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct tg3 *tp = netdev_priv(dev);
- if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
+ if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
+ device_can_wakeup(&tp->pdev->dev))
wol->supported = WAKE_MAGIC;
else
wol->supported = 0;
@@ -9078,18 +9046,22 @@ static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct tg3 *tp = netdev_priv(dev);
+ struct device *dp = &tp->pdev->dev;
if (wol->wolopts & ~WAKE_MAGIC)
return -EINVAL;
if ((wol->wolopts & WAKE_MAGIC) &&
- !(tp->tg3_flags & TG3_FLAG_WOL_CAP))
+ !((tp->tg3_flags & TG3_FLAG_WOL_CAP) && device_can_wakeup(dp)))
return -EINVAL;
spin_lock_bh(&tp->lock);
- if (wol->wolopts & WAKE_MAGIC)
+ if (wol->wolopts & WAKE_MAGIC) {
tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
- else
+ device_set_wakeup_enable(dp, true);
+ } else {
tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
+ device_set_wakeup_enable(dp, false);
+ }
spin_unlock_bh(&tp->lock);
return 0;
@@ -11296,7 +11268,8 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
if (val & VCPU_CFGSHDW_ASPM_DBNC)
tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
if ((val & VCPU_CFGSHDW_WOL_ENABLE) &&
- (val & VCPU_CFGSHDW_WOL_MAGPKT))
+ (val & VCPU_CFGSHDW_WOL_MAGPKT) &&
+ device_may_wakeup(&tp->pdev->dev))
tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
return;
}
@@ -11426,8 +11399,9 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
!(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
- if (tp->tg3_flags & TG3_FLAG_WOL_CAP &&
- nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)
+ if ((tp->tg3_flags & TG3_FLAG_WOL_CAP) &&
+ (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE) &&
+ device_may_wakeup(&tp->pdev->dev))
tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
if (cfg2 & (1 << 17))
@@ -13613,6 +13587,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct tg3 *tp = netdev_priv(dev);
+ pci_power_t target_state;
int err;
/* PCI register 4 needs to be saved whether netif_running() or not.
@@ -13641,7 +13616,9 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
tg3_full_unlock(tp);
- err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
+ target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot;
+
+ err = tg3_set_power_state(tp, target_state);
if (err) {
int err2;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.