platform/x86: panasonic-laptop: Make pcc_register_optd_notifier() void

Convert pcc_register_optd_notifier() whose return value is never used to
a void function.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/5093613.31r3eYUQgx@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index d923ddaa48496da539ee85b2142d1dd5c6aafc14..a481f2602ce3e9017942c08e73966d2090c56fe0 100644 (file)
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -891,7 +891,7 @@ static void pcc_optd_notify(acpi_handle handle, u32 event, void *data)
        set_optd_power_state(0);
 }
 
-static int pcc_register_optd_notifier(struct pcc_acpi *pcc, char *node)
+static void pcc_register_optd_notifier(struct pcc_acpi *pcc, char *node)
 {
        acpi_status status;
        acpi_handle handle;
@@ -904,10 +904,7 @@ static int pcc_register_optd_notifier(struct pcc_acpi *pcc, char *node)
                                pcc_optd_notify, pcc);
                if (ACPI_FAILURE(status))
                        pr_err("Failed to register notify on %s\n", node);
-       } else
-               return -ENODEV;
-
-       return 0;
+       }
 }
 
 static void pcc_unregister_optd_notifier(struct pcc_acpi *pcc, char *node)