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| author | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-05 15:07:41 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-23 17:40:46 -0600 |
| commit | 4ffe6e54b0ce259d254e7740a7a4a99dad14a484 (patch) | |
| tree | 2b2004a308020093e6a9b3a5642951ce63351764 /drivers/acpi/pci_root.c | |
| parent | 7dab9ef4f0823072a3c9afdb3b373c9f2f38848b (diff) | |
| download | lwn-4ffe6e54b0ce259d254e7740a7a4a99dad14a484.tar.gz lwn-4ffe6e54b0ce259d254e7740a7a4a99dad14a484.zip | |
PCI/ACPI: Drop unnecessary _OSC existence tests
There's no need to check whether _OSC exists here; we eventually
call acpi_evaluate_object(..., "_OSC", ...), and that will fail
gracefully if _OSC doesn't exist.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/pci_root.c')
| -rw-r--r-- | drivers/acpi/pci_root.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 28dd55509789..cc87cc4fea0e 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -180,11 +180,7 @@ static acpi_status acpi_pci_query_osc(struct acpi_pci_root *root, static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags) { acpi_status status; - acpi_handle tmp; - status = acpi_get_handle(root->device->handle, "_OSC", &tmp); - if (ACPI_FAILURE(status)) - return status; mutex_lock(&osc_lock); status = acpi_pci_query_osc(root, flags, NULL); mutex_unlock(&osc_lock); @@ -316,9 +312,8 @@ EXPORT_SYMBOL_GPL(acpi_get_pci_dev); acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req) { struct acpi_pci_root *root; - acpi_status status; + acpi_status status = AE_OK; u32 ctrl, capbuf[3]; - acpi_handle tmp; if (!mask) return AE_BAD_PARAMETER; @@ -331,10 +326,6 @@ acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req) if (!root) return AE_NOT_EXIST; - status = acpi_get_handle(handle, "_OSC", &tmp); - if (ACPI_FAILURE(status)) - return status; - mutex_lock(&osc_lock); *mask = ctrl | root->osc_control_set; |