acer-wmi: remove useless input argument for internal wmi

The "wmi_interface *iface" is a useless input argument for internal wmi get/set
functions, remove it to clear up source code.

Tested on Lenovo E520.
Tested on Acer TravelMate 4750.

Tested-by: mr.kobzar <mr.kobzar@gmail.com>
Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

1 files changed, 14 insertions, 16 deletions

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 6cd2289dd5d3..7203e060d64d 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -536,8 +536,7 @@ struct acpi_buffer *result)
         return status;
 }
 
-static acpi_status AMW0_get_u32(u32 *value, u32 cap,
-struct wmi_interface *iface)
+static acpi_status AMW0_get_u32(u32 *value, u32 cap)
 {
         int err;
         u8 result;
@@ -607,7 +606,7 @@ struct wmi_interface *iface)
         return AE_OK;
 }
 
-static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
+static acpi_status AMW0_set_u32(u32 value, u32 cap)
 {
         struct wmab_args args;
 
@@ -827,8 +826,7 @@ WMI_execute_u32(u32 method_id, u32 in, u32 *out)
         return status;
 }
 
-static acpi_status WMID_get_u32(u32 *value, u32 cap,
-struct wmi_interface *iface)
+static acpi_status WMID_get_u32(u32 *value, u32 cap)
 {
         acpi_status status;
         u8 tmp;
@@ -864,7 +862,7 @@ struct wmi_interface *iface)
         return status;
 }
 
-static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
+static acpi_status WMID_set_u32(u32 value, u32 cap)
 {
         u32 method_id = 0;
         char param;
@@ -1154,15 +1152,15 @@ static acpi_status get_u32(u32 *value, u32 cap)
 
         switch (interface->type) {
         case ACER_AMW0:
-                status = AMW0_get_u32(value, cap, interface);
+                status = AMW0_get_u32(value, cap);
                 break;
         case ACER_AMW0_V2:
                 if (cap == ACER_CAP_MAILLED) {
-                        status = AMW0_get_u32(value, cap, interface);
+                        status = AMW0_get_u32(value, cap);
                         break;
                 }
         case ACER_WMID:
-                status = WMID_get_u32(value, cap, interface);
+                status = WMID_get_u32(value, cap);
                 break;
         case ACER_WMID_v2:
                 if (cap & (ACER_CAP_WIRELESS |
@@ -1170,7 +1168,7 @@ static acpi_status get_u32(u32 *value, u32 cap)
                            ACER_CAP_THREEG))
                         status = wmid_v2_get_u32(value, cap);
                 else if (wmi_has_guid(WMID_GUID2))
-                        status = WMID_get_u32(value, cap, interface);
+                        status = WMID_get_u32(value, cap);
                 break;
         }
 
@@ -1184,10 +1182,10 @@ static acpi_status set_u32(u32 value, u32 cap)
         if (interface->capability & cap) {
                 switch (interface->type) {
                 case ACER_AMW0:
-                        return AMW0_set_u32(value, cap, interface);
+                        return AMW0_set_u32(value, cap);
                 case ACER_AMW0_V2:
                         if (cap == ACER_CAP_MAILLED)
-                                return AMW0_set_u32(value, cap, interface);
+                                return AMW0_set_u32(value, cap);
 
                         /*
                          * On some models, some WMID methods don't toggle
@@ -1197,21 +1195,21 @@ static acpi_status set_u32(u32 value, u32 cap)
                          */
                         if (cap == ACER_CAP_WIRELESS ||
                                 cap == ACER_CAP_BLUETOOTH) {
-                                status = WMID_set_u32(value, cap, interface);
+                                status = WMID_set_u32(value, cap);
                                 if (ACPI_FAILURE(status))
                                         return status;
 
-                                return AMW0_set_u32(value, cap, interface);
+                                return AMW0_set_u32(value, cap);
                         }
                 case ACER_WMID:
-                        return WMID_set_u32(value, cap, interface);
+                        return WMID_set_u32(value, cap);
                 case ACER_WMID_v2:
                         if (cap & (ACER_CAP_WIRELESS |
                                    ACER_CAP_BLUETOOTH |
                                    ACER_CAP_THREEG))
                                 return wmid_v2_set_u32(value, cap);
                         else if (wmi_has_guid(WMID_GUID2))
-                                return WMID_set_u32(value, cap, interface);
+                                return WMID_set_u32(value, cap);
                 default:
                         return AE_BAD_PARAMETER;
                 }