Messages in this thread Patch in this message | | | Date | Fri, 21 Mar 2008 13:11:25 +0900 | From | Kenji Kaneshige <> | Subject | [PATCH 3/16][BUG] ACPI pci_slot: Fix _STA evaluation (Not for mainline!) |
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Fix the problem that pci slots that doesn't have _STA are not detected. If the device doesn't have _STA, we must assume it is always there.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> --- drivers/acpi/pci_slot.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
Index: linux-2.6.25-rc6/drivers/acpi/pci_slot.c =================================================================== --- linux-2.6.25-rc6.orig/drivers/acpi/pci_slot.c +++ linux-2.6.25-rc6/drivers/acpi/pci_slot.c @@ -76,9 +76,8 @@ check_slot(acpi_handle handle, int *devi if (check_sta_before_sun) { /* If SxFy doesn't have _STA, we just assume it's there */ - acpi_evaluate_integer(handle, "_STA", NULL, &sta); - - if (!(sta & ACPI_STA_DEVICE_PRESENT)) { + status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); + if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) { retval = -1; goto out; }
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