intel-rst: convert acpi_evaluate_object() to acpi_execute_simple_method()

acpi_execute_simple_method() is a new ACPI API introduced to invoke
an ACPI control method that has single integer parameter and no return value.

Convert acpi_evaluate_object() to acpi_execute_simple_method()
in drivers/platform/x86/intel-rst.c

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/platform/x86/intel-rst.c b/drivers/platform/x86/intel-rst.c
index 41b740cb28bca8743ea282bbf2fb5639a2f4266c..c6346cc933c6315779f8d79fbf6e53b9bc8a36f3 100644 (file)
--- a/drivers/platform/x86/intel-rst.c
+++ b/drivers/platform/x86/intel-rst.c
@@ -54,8 +54,6 @@ static ssize_t irst_store_wakeup_events(struct device *dev,
                                        const char *buf, size_t count)
 {
        struct acpi_device *acpi;
-       struct acpi_object_list input;
-       union acpi_object param;
        acpi_status status;
        unsigned long value;
        int error;
@@ -67,13 +65,7 @@ static ssize_t irst_store_wakeup_events(struct device *dev,
        if (error)
                return error;
 
-       param.type = ACPI_TYPE_INTEGER;
-       param.integer.value = value;
-
-       input.count = 1;
-       input.pointer = &param;
-
-       status = acpi_evaluate_object(acpi->handle, "SFFS", &input, NULL);
+       status = acpi_execute_simple_method(acpi->handle, "SFFS", value);
 
        if (!ACPI_SUCCESS(status))
                return -EINVAL;
@@ -116,8 +108,6 @@ static ssize_t irst_store_wakeup_time(struct device *dev,
                                      const char *buf, size_t count)
 {
        struct acpi_device *acpi;
-       struct acpi_object_list input;
-       union acpi_object param;
        acpi_status status;
        unsigned long value;
        int error;
@@ -129,13 +119,7 @@ static ssize_t irst_store_wakeup_time(struct device *dev,
        if (error)
                return error;
 
-       param.type = ACPI_TYPE_INTEGER;
-       param.integer.value = value;
-
-       input.count = 1;
-       input.pointer = &param;
-
-       status = acpi_evaluate_object(acpi->handle, "SFTV", &input, NULL);
+       status = acpi_execute_simple_method(acpi->handle, "SFTV", value);
 
        if (!ACPI_SUCCESS(status))
                return -EINVAL;