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Index: sys/dev/pci/pci.c
===================================================================
--- sys/dev/pci/pci.c
+++ sys/dev/pci/pci.c
@@ -411,10 +411,10 @@
* Some x86 firmware only enables PCIe hotplug if we claim to support aspm,
* however enabling it breaks some arm64 firmware as it powers off devices.
*/
-#if defined(__i386__) || defined(__amd64__)
-int pci_enable_aspm = 1;
-#else
+#if defined(__aarch64__)
int pci_enable_aspm = 0;
+#else
+int pci_enable_aspm = 1;
#endif
SYSCTL_INT(_hw_pci, OID_AUTO, enable_aspm, CTLFLAG_RDTUN, &pci_enable_aspm,
0, "Enable support for PCIe Active State Power Management");

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