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-rw-r--r--hw/i386/acpi-build.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index b9c245c9bb..98dd424678 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1862,9 +1862,9 @@ static Aml *build_q35_osc_method(void)
/*
* Always allow native PME, AER (no dependencies)
- * Never allow SHPC (no SHPC controller in this system)
+ * Allow SHPC (PCI bridges can have SHPC controller)
*/
- aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1D), a_ctrl));
+ aml_append(if_ctx, aml_and(a_ctrl, aml_int(0x1F), a_ctrl));
if_ctx2 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(1))));
/* Unknown revision */