Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / acpi / scan.c

diff --git a/kernel/drivers/acpi/scan.c b/kernel/drivers/acpi/scan.c
index 78d5f02..dcb3d62 100644 (file)
--- a/kernel/drivers/acpi/scan.c
+++ b/kernel/drivers/acpi/scan.c
@@ -1958,7 +1958,7 @@ 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)
@@ -1977,7 +1977,7 @@ 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;
@@ -1990,7 +1990,7 @@ 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;
 }