From 8ad2ddac2ea010940c882d3fa17314242792a6e6 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sat, 26 Mar 2011 01:34:06 +0000 Subject: [PATCH] Net / jme: Do not use legacy PCI power management The jme driver uses the legacy PCI power management, so it has to do some PCI-specific things in its ->suspend() and ->resume() callbacks, which isn't necessary and should better be done by the PCI sybsystem-level power management code. It also doesn't use device wakeup flags correctly. Convert jme to the new PCI power management framework and make it let the PCI subsystem take care of all the PCI-specific aspects of device handling during system power transitions. Signed-off-by: Rafael J. Wysocki Signed-off-by: David S. Miller --- jme.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/jme.c b/jme.c index f690474..994c809 100644 --- a/jme.c +++ b/jme.c @@ -273,7 +273,7 @@ jme_clear_pm(struct jme_adapter *jme) { jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); pci_set_power_state(jme->pdev, PCI_D0); - pci_enable_wake(jme->pdev, PCI_D0, false); + device_set_wakeup_enable(&jme->pdev->dev, false); } static int @@ -2538,6 +2538,8 @@ jme_set_wol(struct net_device *netdev, jwrite32(jme, JME_PMCS, jme->reg_pmcs); + device_set_wakeup_enable(&jme->pdev->dev, jme->reg_pmcs); + return 0; } @@ -3172,9 +3174,9 @@ jme_shutdown(struct pci_dev *pdev) } #ifdef CONFIG_PM -static int -jme_suspend(struct pci_dev *pdev, pm_message_t state) +static int jme_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct jme_adapter *jme = netdev_priv(netdev); @@ -3206,22 +3208,18 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state) tasklet_hi_enable(&jme->rxclean_task); tasklet_hi_enable(&jme->rxempty_task); - pci_save_state(pdev); jme_powersave_phy(jme); - pci_enable_wake(jme->pdev, PCI_D3hot, true); - pci_set_power_state(pdev, PCI_D3hot); return 0; } -static int -jme_resume(struct pci_dev *pdev) +static int jme_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct jme_adapter *jme = netdev_priv(netdev); - jme_clear_pm(jme); - pci_restore_state(pdev); + jwrite32(jme, JME_PMCS, 0xFFFF0000 | jme->reg_pmcs); jme_phy_on(jme); if (test_bit(JME_FLAG_SSET, &jme->flags)) @@ -3238,6 +3236,13 @@ jme_resume(struct pci_dev *pdev) return 0; } + +static SIMPLE_DEV_PM_OPS(jme_pm_ops, jme_suspend, jme_resume); +#define JME_PM_OPS (&jme_pm_ops) + +#else + +#define JME_PM_OPS NULL #endif static DEFINE_PCI_DEVICE_TABLE(jme_pci_tbl) = { @@ -3251,11 +3256,8 @@ static struct pci_driver jme_driver = { .id_table = jme_pci_tbl, .probe = jme_init_one, .remove = __devexit_p(jme_remove_one), -#ifdef CONFIG_PM - .suspend = jme_suspend, - .resume = jme_resume, -#endif /* CONFIG_PM */ .shutdown = jme_shutdown, + .driver.pm = JME_PM_OPS, }; static int __init -- 2.39.3