From 5b9d953f3be9d4c7c5ef52cf25c14e943eb8ef49 Mon Sep 17 00:00:00 2001
From: RichardG867 <richardg867@gmail.com>
Date: Tue, 13 Oct 2020 19:25:40 -0300
Subject: [PATCH] Clear UHCI status register, fixing a flood of "PCI problems?"
 errors on Linux

---
 src/usb.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/usb.c b/src/usb.c
index 067294496..570c36962 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -56,6 +56,11 @@ uhci_reg_read(uint16_t addr, void *p)
     uint8_t ret = 0xff;
 
     switch (addr & 0x1f) {
+    	case 0x02:
+    		/* Status */
+    		ret = 0x00;
+    		break;
+
 	case 0x10: case 0x11: case 0x12: case 0x13:
 		/* Port status */
                 ret = 0x00;