From 4eec2eccf3bf3ce21a0adbfe4c0e1d0e176a0abc Mon Sep 17 00:00:00 2001
From: Pali Rohár <pali@kernel.org>
Date: Tue, 20 Feb 2024 18:44:06 +0100
Subject: libpci: i386-io-sunos.h: Implement intel_cleanup_io

Call 'sysi86(SI86V86, V86SC_IOPL, 0);' - same what is X11 and FlashROM doing.
---
 lib/i386-io-sunos.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/i386-io-sunos.h b/lib/i386-io-sunos.h
index 99fd576..1caefd5 100644
--- a/lib/i386-io-sunos.h
+++ b/lib/i386-io-sunos.h
@@ -23,7 +23,7 @@ intel_setup_io(struct pci_access *a UNUSED)
 static inline void
 intel_cleanup_io(struct pci_access *a UNUSED)
 {
-  /* FIXME: How to switch off I/O port access? */
+  sysi86(SI86V86, V86SC_IOPL, 0);
 }
 
 static inline void intel_io_lock(void)
-- 
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