ref: 1eb167ba1e2c2636640c765620b4a0e30d624a24
parent: 7428866c9ecf5f9113a0046d55fd204e79f6937f
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Sat Nov 21 11:10:56 EST 2020
pc, pc64: disable all pci devices in pcicfginit() Make sure all pci busmaster activity is disabled, including MSI/MSI-X interrupts. Drivers will later reenable once taking control of a device.
--- a/sys/src/9/pc/pcipc.c
+++ b/sys/src/9/pc/pcipc.c
@@ -716,6 +716,8 @@
if(pciroot == nil)
goto out;
+ pcireset();
+
if(nobios) {uvlong mema;
ulong ioa;
--
⑨