commmit 44ade178249fe53d055fd92113eaa271e06acddd breaks sane
MSI/ACPI/BIOS combinations. It's impossible to keep broken and sane
MSI/ACPI/BIOSes happy at the same time.
Revert the patch and disable MSI for sky2 when CONFIG_PM is enabled.
Signed-off-by: Thomas Gleixner <[email protected]>
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index a2e804d..420fef7 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -91,7 +91,11 @@ static int copybreak __read_mostly = 128;
module_param(copybreak, int, 0);
MODULE_PARM_DESC(copybreak, "Receive copy threshold");
+#ifdef CONFIG_PM
+static int disable_msi = 1;
+#else
static int disable_msi = 0;
+#endif
module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
@@ -3601,6 +3605,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
sky2_write32(hw, B0_IMSK, 0);
pci_save_state(pdev);
sky2_set_power_state(hw, pstate);
+
return 0;
}
@@ -3640,28 +3645,6 @@ out:
return err;
}
-/* BIOS resume runs after device (it's a bug in PM)
- * as a temporary workaround on suspend/resume leave MSI disabled
- */
-static int sky2_suspend_late(struct pci_dev *pdev, pm_message_t state)
-{
- struct sky2_hw *hw = pci_get_drvdata(pdev);
-
- free_irq(pdev->irq, hw);
- if (hw->msi) {
- pci_disable_msi(pdev);
- hw->msi = 0;
- }
- return 0;
-}
-
-static int sky2_resume_early(struct pci_dev *pdev)
-{
- struct sky2_hw *hw = pci_get_drvdata(pdev);
- struct net_device *dev = hw->dev[0];
-
- return request_irq(pdev->irq, sky2_intr, IRQF_SHARED, dev->name, hw);
-}
#endif
static struct pci_driver sky2_driver = {
@@ -3672,8 +3655,6 @@ static struct pci_driver sky2_driver = {
#ifdef CONFIG_PM
.suspend = sky2_suspend,
.resume = sky2_resume,
- .suspend_late = sky2_suspend_late,
- .resume_early = sky2_resume_early,
#endif
};
-
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