1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index ad9fc84a8601..e878fc799af7 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2054,7 +2054,7 @@ int __init acpi_scan_init(void)
 
 static struct acpi_probe_entry *ape;
 static int acpi_probe_count;
-static DEFINE_SPINLOCK(acpi_probe_lock);
+static DEFINE_MUTEX(acpi_probe_mutex);
 
 static int __init acpi_match_madt(struct acpi_subtable_header *header,
                                   const unsigned long end)
@@ -2073,7 +2073,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
         if (acpi_disabled)
                 return 0;
 
-        spin_lock(&acpi_probe_lock);
+        mutex_lock(&acpi_probe_mutex);
         for (ape = ap_head; nr; ape++, nr--) {
                 if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) {
                         acpi_probe_count = 0;
@@ -2086,7 +2086,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr)
                                 count++;
                 }
         }
-        spin_unlock(&acpi_probe_lock);
+        mutex_unlock(&acpi_probe_mutex);
 
         return count;
 }