Messages in this thread Patch in this message | | | From | Auke Kok <> | Subject | [PATCH] e1000: Fix regression: garbled stats and irq allocation during swsusp | Date | Mon, 6 Nov 2006 08:57:12 -0800 (PST) |
| |
e1000: Fix suspend/resume powerup and irq allocation
From: Auke Kok <auke-jan.h.kok@intel.com>
After 7.0.33/2.6.16, e1000 suspend/resume left the user with an enabled device showing garbled statistics and undetermined irq allocation state, where `ifconfig eth0 down` would display `trying to free already freed irq`.
Explicitly free and allocate irq as well as powerup the PHY during resume fixes when needed.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> ---
drivers/net/e1000/e1000_main.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 8d04752..726ec5e 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -4800,6 +4800,9 @@ e1000_suspend(struct pci_dev *pdev, pm_m if (adapter->hw.phy_type == e1000_phy_igp_3) e1000_phy_powerdown_workaround(&adapter->hw); + if (netif_running(netdev)) + e1000_free_irq(adapter); + /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ e1000_release_hw_control(adapter); @@ -4830,6 +4833,10 @@ e1000_resume(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3cold, 0); + if (netif_running(netdev) && (err = e1000_request_irq(adapter))) + return err; + + e1000_power_up_phy(adapter); e1000_reset(adapter); E1000_WRITE_REG(&adapter->hw, WUS, ~0); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |