From 702623ef8762636dcef79369bada4820d54ffa91 Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Thu, 7 Apr 2022 09:29:02 -0700
Subject: [PATCH] Don't flag pin missing driver when there is an NC

The NC flag indicates user intention to override the lack of connection
to input pins

(cherry picked from commit e02229a2342f4f0d30fee915b139dc9d256923bd)
---
 eeschema/erc.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/eeschema/erc.cpp b/eeschema/erc.cpp
index f4f02a9ec0..2783462a16 100644
--- a/eeschema/erc.cpp
+++ b/eeschema/erc.cpp
@@ -453,9 +453,13 @@ int ERC_TESTER::TestPinToPin()
     {
         std::vector<SCH_PIN*> pins;
         std::unordered_map<EDA_ITEM*, SCH_SCREEN*> pinToScreenMap;
+        bool has_noconnect = false;
 
         for( CONNECTION_SUBGRAPH* subgraph: net.second )
         {
+            if( subgraph->m_no_connect )
+                has_noconnect = true;
+
             for( EDA_ITEM* item : subgraph->m_items )
             {
                 if( item->Type() == SCH_PIN_T )
@@ -552,7 +556,7 @@ int ERC_TESTER::TestPinToPin()
             }
         }
 
-        if( needsDriver && !hasDriver )
+        if( needsDriver && !hasDriver && !has_noconnect )
         {
             int err_code = ispowerNet ? ERCE_POWERPIN_NOT_DRIVEN : ERCE_PIN_NOT_DRIVEN;