Merge tag 'fbdev-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba...

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

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 9a9298994e262cdbb17ee883009bbae6d2d082d3..3bf7764659a4f5643557eb2aee4b5b327da4f88f 100644 (file)
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -667,8 +667,14 @@ static ssize_t
 acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
                     char *buf) {
        struct acpi_device *acpi_dev = to_acpi_device(dev);
+       acpi_status status;
+       unsigned long long sun;
+
+       status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun);
+       if (ACPI_FAILURE(status))
+               return -ENODEV;
 
-       return sprintf(buf, "%lu\n", acpi_dev->pnp.sun);
+       return sprintf(buf, "%llu\n", sun);
 }
 static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL);
 
@@ -690,7 +696,6 @@ static int acpi_device_setup_files(struct acpi_device *dev)
 {
        struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
        acpi_status status;
-       unsigned long long sun;
        int result = 0;
 
        /*
@@ -731,14 +736,10 @@ static int acpi_device_setup_files(struct acpi_device *dev)
        if (dev->pnp.unique_id)
                result = device_create_file(&dev->dev, &dev_attr_uid);
 
-       status = acpi_evaluate_integer(dev->handle, "_SUN", NULL, &sun);
-       if (ACPI_SUCCESS(status)) {
-               dev->pnp.sun = (unsigned long)sun;
+       if (acpi_has_method(dev->handle, "_SUN")) {
                result = device_create_file(&dev->dev, &dev_attr_sun);
                if (result)
                        goto end;
-       } else {
-               dev->pnp.sun = (unsigned long)-1;
        }
 
        if (acpi_has_method(dev->handle, "_STA")) {