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SubjectRe: [PATCH 4/4] reorder suspend/resume code
From: Tobias Diedrich <ranma+kernel@tdiedrich.de>

Match the suspend/resume code ordering in e100/e1000e more closely.
For example the configuration space should be saved on suspend even for
devices that are not up.

Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de>

Index: linux-2.6.26-rc2.forcedwol/drivers/net/forcedeth.c
===================================================================
--- linux-2.6.26-rc2.forcedwol.orig/drivers/net/forcedeth.c 2008-05-18 13:53:10.000000000 +0200
+++ linux-2.6.26-rc2.forcedwol/drivers/net/forcedeth.c 2008-05-18 13:54:04.000000000 +0200
@@ -5792,22 +5792,20 @@
u8 __iomem *base = get_hwbase(dev);
int i;

- if (!netif_running(dev))
- goto out;
-
+ if (netif_running(dev)) {
+ // Gross.
+ nv_close(dev);
+ }
netif_device_detach(dev);

- // Gross.
- nv_close(dev);
-
/* save non-pci configuration space */
for (i = 0;i <= np->register_size/sizeof(u32); i++)
np->saved_config_space[i] = readl(base + i*sizeof(u32));

pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), np->wolenabled);
+ pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
-out:
return 0;
}

@@ -5818,22 +5816,20 @@
u8 __iomem *base = get_hwbase(dev);
int i, rc = 0;

- if (!netif_running(dev))
- goto out;
-
- netif_device_attach(dev);
-
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ /* ack any pending wake events, disable PME */
pci_enable_wake(pdev, PCI_D0, 0);

/* restore non-pci configuration space */
for (i = 0;i <= np->register_size/sizeof(u32); i++)
writel(np->saved_config_space[i], base+i*sizeof(u32));

- rc = nv_open(dev);
- nv_set_multicast(dev);
-out:
+ netif_device_attach(dev);
+ if (netif_running(dev)) {
+ rc = nv_open(dev);
+ nv_set_multicast(dev);
+ }
return rc;
}


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