From 2dbe15911f61e726fbb2d9768023147aadbb0b10 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sat, 23 Oct 2021 09:03:28 +1100
Subject: [PATCH] AP_GPS: change empty constructors out for 'use
 AP_GPS_Backend::AP_GPS_Backend'

---
 libraries/AP_GPS/AP_GPS_ExternalAHRS.cpp | 5 -----
 libraries/AP_GPS/AP_GPS_ExternalAHRS.h   | 3 ++-
 libraries/AP_GPS/AP_GPS_MAV.cpp          | 5 -----
 libraries/AP_GPS/AP_GPS_MAV.h            | 3 ++-
 libraries/AP_GPS/AP_GPS_MSP.cpp          | 5 -----
 libraries/AP_GPS/AP_GPS_MSP.h            | 3 ++-
 6 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/libraries/AP_GPS/AP_GPS_ExternalAHRS.cpp b/libraries/AP_GPS/AP_GPS_ExternalAHRS.cpp
index bd9c910c79..76a3bf7e89 100644
--- a/libraries/AP_GPS/AP_GPS_ExternalAHRS.cpp
+++ b/libraries/AP_GPS/AP_GPS_ExternalAHRS.cpp
@@ -21,11 +21,6 @@
 
 #if HAL_EXTERNAL_AHRS_ENABLED
 
-AP_GPS_ExternalAHRS::AP_GPS_ExternalAHRS(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port) :
-    AP_GPS_Backend(_gps, _state, _port)
-{
-}
-
 // Reading does nothing in this class; we simply return whether or not
 // the latest reading has been consumed.  By calling this function we assume
 // the caller is consuming the new data;
diff --git a/libraries/AP_GPS/AP_GPS_ExternalAHRS.h b/libraries/AP_GPS/AP_GPS_ExternalAHRS.h
index 52352a726d..4acd4b4282 100644
--- a/libraries/AP_GPS/AP_GPS_ExternalAHRS.h
+++ b/libraries/AP_GPS/AP_GPS_ExternalAHRS.h
@@ -29,7 +29,8 @@
 class AP_GPS_ExternalAHRS : public AP_GPS_Backend
 {
 public:
-    AP_GPS_ExternalAHRS(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port);
+
+    using AP_GPS_Backend::AP_GPS_Backend;
 
     bool read() override;
     void handle_external(const AP_ExternalAHRS::gps_data_message_t &pkt) override;
diff --git a/libraries/AP_GPS/AP_GPS_MAV.cpp b/libraries/AP_GPS/AP_GPS_MAV.cpp
index 62cc13da76..0f4cdf715d 100644
--- a/libraries/AP_GPS/AP_GPS_MAV.cpp
+++ b/libraries/AP_GPS/AP_GPS_MAV.cpp
@@ -19,11 +19,6 @@
 #include "AP_GPS_MAV.h"
 #include <stdint.h>
 
-AP_GPS_MAV::AP_GPS_MAV(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port) :
-    AP_GPS_Backend(_gps, _state, _port)
-{
-}
-
 // Reading does nothing in this class; we simply return whether or not
 // the latest reading has been consumed.  By calling this function we assume
 // the caller is consuming the new data;
diff --git a/libraries/AP_GPS/AP_GPS_MAV.h b/libraries/AP_GPS/AP_GPS_MAV.h
index 642a47889a..7566e5f22a 100644
--- a/libraries/AP_GPS/AP_GPS_MAV.h
+++ b/libraries/AP_GPS/AP_GPS_MAV.h
@@ -27,7 +27,8 @@
 
 class AP_GPS_MAV : public AP_GPS_Backend {
 public:
-    AP_GPS_MAV(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port);
+
+    using AP_GPS_Backend::AP_GPS_Backend;
 
     bool read() override;
 
diff --git a/libraries/AP_GPS/AP_GPS_MSP.cpp b/libraries/AP_GPS/AP_GPS_MSP.cpp
index c3a807fc0c..1229f3a0d8 100644
--- a/libraries/AP_GPS/AP_GPS_MSP.cpp
+++ b/libraries/AP_GPS/AP_GPS_MSP.cpp
@@ -21,11 +21,6 @@
 
 #if HAL_MSP_GPS_ENABLED
 
-AP_GPS_MSP::AP_GPS_MSP(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port) :
-    AP_GPS_Backend(_gps, _state, _port)
-{
-}
-
 // Reading does nothing in this class; we simply return whether or not
 // the latest reading has been consumed.  By calling this function we assume
 // the caller is consuming the new data;
diff --git a/libraries/AP_GPS/AP_GPS_MSP.h b/libraries/AP_GPS/AP_GPS_MSP.h
index aaf3db6eec..140c2e9748 100644
--- a/libraries/AP_GPS/AP_GPS_MSP.h
+++ b/libraries/AP_GPS/AP_GPS_MSP.h
@@ -29,7 +29,8 @@
 class AP_GPS_MSP : public AP_GPS_Backend
 {
 public:
-    AP_GPS_MSP(AP_GPS &_gps, AP_GPS::GPS_State &_state, AP_HAL::UARTDriver *_port);
+
+    using AP_GPS_Backend::AP_GPS_Backend;
 
     bool read() override;
     void handle_msp(const MSP::msp_gps_data_message_t &pkt) override;