Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[firefly-linux-kernel-4.4.55.git] / drivers / acpi / sysfs.c

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index c538d0ef10ff648de4140eb54f6f7c8c3c7bc88f..9f66181c814e78e2fc40c88ba743b5aa062e50e9 100644 (file)
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -706,11 +706,23 @@ static void __exit interrupt_stats_exit(void)
        return;
 }
 
+static ssize_t
+acpi_show_profile(struct device *dev, struct device_attribute *attr,
+                 char *buf)
+{
+       return sprintf(buf, "%d\n", acpi_gbl_FADT.preferred_profile);
+}
+
+static const struct device_attribute pm_profile_attr =
+       __ATTR(pm_profile, S_IRUGO, acpi_show_profile, NULL);
+
 int __init acpi_sysfs_init(void)
 {
        int result;
 
        result = acpi_tables_sysfs_init();
-
+       if (result)
+               return result;
+       result = sysfs_create_file(acpi_kobj, &pm_profile_attr.attr);
        return result;
 }