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| author | Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2009-11-04 05:59:55 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-11-06 14:13:32 -0800 |
| commit | 9b536e0b6164d8875b4a5bb66cc102dcf0badeba (patch) | |
| tree | 508affb3c4e5e1193cdcf4c954f0e1219ea8175d /drivers/pci/hotplug/acpi_pcihp.c | |
| parent | e0cd5160346f5b88fe536f529066f102518f8acd (diff) | |
| download | linux-9b536e0b6164d8875b4a5bb66cc102dcf0badeba.tar.gz linux-9b536e0b6164d8875b4a5bb66cc102dcf0badeba.tar.bz2 linux-9b536e0b6164d8875b4a5bb66cc102dcf0badeba.zip | |
PCI hotplug: fix oshp evaluation
If firmware doesn't grant over native hotplug control through ACPI
_OSC method, we must not evaluate OSHP.
Acked-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/hotplug/acpi_pcihp.c')
| -rw-r--r-- | drivers/pci/hotplug/acpi_pcihp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index a73028ec52e5..6833d7bdbbff 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -362,6 +362,8 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags) status = acpi_pci_osc_control_set(handle, flags); if (ACPI_SUCCESS(status)) goto got_one; + if (status == AE_SUPPORT) + goto no_control; kfree(string.pointer); string = (struct acpi_buffer){ ACPI_ALLOCATE_BUFFER, NULL }; } @@ -394,10 +396,9 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags) if (ACPI_FAILURE(status)) break; } - +no_control: dbg("Cannot get control of hotplug hardware for pci %s\n", pci_name(pdev)); - kfree(string.pointer); return -ENODEV; got_one: |