platform/x86: int1092: Switch to use acpi_evaluate_dsm_typed()
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 19 Jan 2023 18:09:04 +0000 (20:09 +0200)
committerHans de Goede <hdegoede@redhat.com>
Thu, 2 Feb 2023 21:48:20 +0000 (22:48 +0100)
The acpi_evaluate_dsm_typed() provides a way to check the type of the
object evaluated by _DSM call. Use it instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230119180904.78446-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/x86/intel/int1092/intel_sar.c

index e03943e..352fc45 100644 (file)
@@ -131,16 +131,15 @@ static acpi_status sar_get_device_mode(struct platform_device *device)
        acpi_status status = AE_OK;
        union acpi_object *out;
        u32 rev = 0;
-       int value;
 
-       out = acpi_evaluate_dsm(context->handle, &context->guid, rev,
-                               COMMAND_ID_DEV_MODE, NULL);
-       if (get_int_value(out, &value)) {
+       out = acpi_evaluate_dsm_typed(context->handle, &context->guid, rev,
+                                     COMMAND_ID_DEV_MODE, NULL, ACPI_TYPE_INTEGER);
+       if (!out) {
                dev_err(&device->dev, "DSM cmd:%d Failed to retrieve value\n", COMMAND_ID_DEV_MODE);
                status = AE_ERROR;
                goto dev_mode_error;
        }
-       context->sar_data.device_mode = value;
+       context->sar_data.device_mode = out->integer.value;
        update_sar_data(context);
        sysfs_notify(&device->dev.kobj, NULL, SYSFS_DATANAME);
 
@@ -221,11 +220,11 @@ static void sar_get_data(int reg, struct wwan_sar_context *context)
 
        req.type = ACPI_TYPE_INTEGER;
        req.integer.value = reg;
-       out = acpi_evaluate_dsm(context->handle, &context->guid, rev,
-                               COMMAND_ID_CONFIG_TABLE, &req);
+       out = acpi_evaluate_dsm_typed(context->handle, &context->guid, rev,
+                                     COMMAND_ID_CONFIG_TABLE, &req, ACPI_TYPE_PACKAGE);
        if (!out)
                return;
-       if (out->type == ACPI_TYPE_PACKAGE && out->package.count >= 3 &&
+       if (out->package.count >= 3 &&
            out->package.elements[0].type == ACPI_TYPE_INTEGER &&
            out->package.elements[1].type == ACPI_TYPE_INTEGER &&
            out->package.elements[2].type == ACPI_TYPE_PACKAGE &&