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Diffstat (limited to 'arch/x86/kernel/platform-quirks.c')
-rw-r--r--arch/x86/kernel/platform-quirks.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/platform-quirks.c b/arch/x86/kernel/platform-quirks.c
index 01b1597..ab64382 100644
--- a/arch/x86/kernel/platform-quirks.c
+++ b/arch/x86/kernel/platform-quirks.c
@@ -8,6 +8,7 @@ void __init x86_early_init_platform_quirks(void)
{
x86_platform.legacy.rtc = 1;
x86_platform.legacy.ebda_search = 0;
+ x86_platform.legacy.devices.pnpbios = 1;
switch (boot_params.hdr.hardware_subarch) {
case X86_SUBARCH_PC:
@@ -15,6 +16,9 @@ void __init x86_early_init_platform_quirks(void)
break;
case X86_SUBARCH_XEN:
case X86_SUBARCH_LGUEST:
+ x86_platform.legacy.devices.pnpbios = 0;
+ x86_platform.legacy.rtc = 0;
+ break;
case X86_SUBARCH_INTEL_MID:
x86_platform.legacy.rtc = 0;
break;
@@ -23,3 +27,10 @@ void __init x86_early_init_platform_quirks(void)
if (x86_platform.set_legacy_features)
x86_platform.set_legacy_features();
}
+
+#if defined(CONFIG_PNPBIOS)
+bool __init arch_pnpbios_disabled(void)
+{
+ return x86_platform.legacy.devices.pnpbios == 0;
+}
+#endif
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