ACPICA: Add post-order callback to acpi_walk_namespace

The existing interface only has a pre-order callback. This change
adds an additional parameter for a post-order callback which will
be more useful for bus scans. ACPICA BZ 779.

Also update the external calls to acpi_walk_namespace.

http://www.acpica.org/bugzilla/show_bug.cgi?id=779

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index fd50ff94302b..66f633bff059 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -390,7 +390,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
         pcidev_match.handle = NULL;
 
         acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
-                            find_matching_device, &pcidev_match, NULL);
+                            find_matching_device, NULL, &pcidev_match, NULL);
 
         if (!pcidev_match.handle) {
                 printk(KERN_ERR
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index cabd2fa3fc93..7e7eea4f8261 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -885,7 +885,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
 
         /* Find ACPI data for processor */
         acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
-                                ACPI_UINT32_MAX, &longhaul_walk_callback,
+                                ACPI_UINT32_MAX, &longhaul_walk_callback, NULL,
                                 NULL, (void *)&pr);
 
         /* Check ACPI support for C3 state */