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firewire: fw-ohci: ignore failure of pci_set_power_state (fix suspend regression)

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Fixes (papers over) "Sleep problems with kernels >= 2.6.21 on powerpc",
http://lkml.org/lkml/2007/8/25/155.  The issue is that the FireWire
controller's pci_dev.current_state of iBook G3 and presumably older
PowerBooks is still in PCI_UNKNOWN instead of PCI_D0 when the firewire
driver's .suspend method is called.

Like it was suggested earlier in http://lkml.org/lkml/2006/10/24/13, we
do not fail .suspend anymore if pci_set_power_state failed.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2007-09-06 09:50:30 +02:00
parent b21010ed64
commit 5511142870
1 changed files with 2 additions and 4 deletions
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6
drivers/firewire/fw-ohci.c
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@ -1945,10 +1945,8 @@ static int pci_suspend(struct pci_dev *pdev, pm_message_t state)
return err; return err;
} }
err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
if (err) { if (err)
fw_error("pci_set_power_state failed\n"); fw_error("pci_set_power_state failed with %d\n", err);
return err;
}
return 0; return 0;
} }