Messages in this thread Patch in this message | | | Date | Tue, 11 Sep 2007 14:59:17 +0200 (CEST) | From | Stefan Richter <> | Subject | [PATCH 2.6.22.y] firewire: fw-ohci: ignore failure of pci_set_power_state (fix suspend regression) |
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Minor regression since 2.6.22-rc1: If the experimental firewire-ohci driver instead of ohci1394 was loaded, iBook G3 and older PowerBooks refused to suspend.
Same as commit 5511142870046a7bed947d51ec9b320856ee120a plus format string touch-ups from 8a8cea2734808522f02941ea16125810ee42c9c7, "firewire: missing newline in printk". Original patch description:
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> --- drivers/firewire/fw-ohci.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-)
Index: linux-2.6.22.6/drivers/firewire/fw-ohci.c =================================================================== --- linux-2.6.22.6.orig/drivers/firewire/fw-ohci.c +++ linux-2.6.22.6/drivers/firewire/fw-ohci.c @@ -1934,14 +1934,12 @@ static int pci_suspend(struct pci_dev *p free_irq(pdev->irq, ohci); err = pci_save_state(pdev); if (err) { - fw_error("pci_save_state failed with %d", err); + fw_error("pci_save_state failed with %d\n", err); return err; } err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); - if (err) { - fw_error("pci_set_power_state failed with %d", err); - return err; - } + if (err) + fw_error("pci_set_power_state failed with %d\n", err); return 0; } @@ -1955,7 +1953,7 @@ static int pci_resume(struct pci_dev *pd pci_restore_state(pdev); err = pci_enable_device(pdev); if (err) { - fw_error("pci_enable_device failed with %d", err); + fw_error("pci_enable_device failed with %d\n", err); return err; } -- Stefan Richter -=====-=-=== =--= -=-== http://arcgraph.de/sr/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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