From: Rafael J. Wysocki Date: Sat, 30 Jul 2005 20:12:18 +0000 (-0700) Subject: [PATCH] sk98lin: basic suspend/resume support fixes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=035a4a4f8976bdf12aab992c630d3a6cfba90ea8;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git [PATCH] sk98lin: basic suspend/resume support fixes An early version of the sk98lin patch was merged via Len's tree. But there were subsequent updates as a result of review from Jeff. THis fixes things up. Signed-off-by: Rafael J. Wysocki Cc: Jeff Garzik Cc: "Brown, Len" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c index 074521a3634..49bd8c7c3f7 100644 --- a/drivers/net/sk98lin/skge.c +++ b/drivers/net/sk98lin/skge.c @@ -5141,17 +5141,18 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state) SK_AC *pAC = pNet->pAC; struct net_device *otherdev = pAC->dev[1]; - if (pNet->Up) { - pAC->WasIfUp[0] = SK_TRUE; + if (netif_running(dev)) { + netif_carrier_off(dev); DoPrintInterfaceChange = SK_FALSE; SkDrvDeInitAdapter(pAC, 0); /* performs SkGeClose */ + netif_device_detach(dev); } if (otherdev != dev) { - pNet = netdev_priv(otherdev); - if (pNet->Up) { - pAC->WasIfUp[1] = SK_TRUE; + if (netif_running(otherdev)) { + netif_carrier_off(otherdev); DoPrintInterfaceChange = SK_FALSE; SkDrvDeInitAdapter(pAC, 1); /* performs SkGeClose */ + netif_device_detach(otherdev); } } @@ -5171,23 +5172,36 @@ static int skge_resume(struct pci_dev *pdev) struct net_device *dev = pci_get_drvdata(pdev); DEV_NET *pNet = netdev_priv(dev); SK_AC *pAC = pNet->pAC; + struct net_device *otherdev = pAC->dev[1]; + int ret; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); pci_enable_device(pdev); pci_set_master(pdev); if (pAC->GIni.GIMacsFound == 2) - request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev); + ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev); else - request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev); + ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev); + if (ret) { + printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq); + pAC->AllocFlag &= ~SK_ALLOC_IRQ; + dev->irq = 0; + pci_disable_device(pdev); + return -EBUSY; + } - if (pAC->WasIfUp[0] == SK_TRUE) { + netif_device_attach(dev); + if (netif_running(dev)) { DoPrintInterfaceChange = SK_FALSE; SkDrvInitAdapter(pAC, 0); /* first device */ - } - if (pAC->dev[1] != dev && pAC->WasIfUp[1] == SK_TRUE) { - DoPrintInterfaceChange = SK_FALSE; - SkDrvInitAdapter(pAC, 1); /* first device */ + } + if (otherdev != dev) { + netif_device_attach(otherdev); + if (netif_running(otherdev)) { + DoPrintInterfaceChange = SK_FALSE; + SkDrvInitAdapter(pAC, 1); /* second device */ + } } return 0;