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Subject[PATCH] Re: Sleep problems with kernels >= 2.6.21 on powerpc
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Subject: firewire: fw-ohci: ignore failure of pci_set_power_state (fix suspend regression)

Fixes "Sleep problems with kernels >= 2.6.21 on powerpc",
http://lkml.org/lkml/2007/8/25/155.

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 | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

Index: linux-2.6.23-rc4/drivers/firewire/fw-ohci.c
===================================================================
--- linux-2.6.23-rc4.orig/drivers/firewire/fw-ohci.c
+++ linux-2.6.23-rc4/drivers/firewire/fw-ohci.c
@@ -1946,8 +1946,11 @@ static int pci_suspend(struct pci_dev *p
}
err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
if (err) {
+ /*
+ * Some Apple onboard controllers are known to fail here.
+ * Ignore it and let the machine proceed to suspend.
+ */
fw_error("pci_set_power_state failed\n");
- return err;
}

return 0;
--
Stefan Richter
-=====-=-=== =--= --=-=
http://arcgraph.de/sr/
-
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