eeepc-wmi: Use acpi_dev_found()

Use shiny new acpi_dev_found() and remove all the boilerplate
to search for a particular ACPI device. No functional change.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 22 deletions

diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 14fd2ecb06a1..17b365f26f9d 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -204,30 +204,10 @@ static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code,
         }
 }
 
-static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
-                                                 void *context, void **retval)
-{
-        pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
-        *(bool *)context = true;
-        return AE_CTRL_TERMINATE;
-}
-
-static int eeepc_wmi_check_atkd(void)
-{
-        acpi_status status;
-        bool found = false;
-
-        status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device,
-                                  &found, NULL);
-
-        if (ACPI_FAILURE(status) || !found)
-                return 0;
-        return -1;
-}
-
 static int eeepc_wmi_probe(struct platform_device *pdev)
 {
-        if (eeepc_wmi_check_atkd()) {
+        if (acpi_dev_found(EEEPC_ACPI_HID)) {
+                pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
                 pr_warn("WMI device present, but legacy ATKD device is also "
                         "present and enabled\n");
                 pr_warn("You probably booted with acpi_osi=\"Linux\" or "