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authorToshi Kani <toshi.kani@hp.com>2013-11-28 00:33:09 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-11-28 17:19:29 +0400
commitf26ca1d699e8b54a50d9faf82327d3c2072aaedd (patch)
treed8444e9a286f7d726beac85fe85f637dc999788a /drivers/pci
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
downloadlinux-f26ca1d699e8b54a50d9faf82327d3c2072aaedd.tar.xz
ACPI / PCI / hotplug: Avoid warning when _ADR not present
acpiphp_enumerate_slots() walks ACPI namenamespace under a PCI host bridge with callback register_slot(). register_slot() evaluates _ADR for all the device objects and emits a warning message for any error. Some platforms have _HID device objects (such as HPET and IPMI), which trigger unnecessary warning messages. This patch avoids emitting a warning message when a target device object does not have _ADR. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Cc: 3.12+ <stable@vger.kernel.org> # 3.12+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 1cf605f67673..438a4d09958b 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -279,7 +279,9 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data,
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status)) {
- acpi_handle_warn(handle, "can't evaluate _ADR (%#x)\n", status);
+ if (status != AE_NOT_FOUND)
+ acpi_handle_warn(handle,
+ "can't evaluate _ADR (%#x)\n", status);
return AE_OK;
}