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Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 8c2f1ef6ca23..8c9c2bdba092 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -913,6 +913,10 @@ late_initcall(hpet_insert_resource); static int __init acpi_parse_fadt(struct acpi_table_header *table) { + if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_CMOS_RTC) { + pr_debug("ACPI: not registering RTC platform device\n"); + x86_platform.legacy.rtc = 0; + } #ifdef CONFIG_X86_PM_TIMER /* detect the location of the ACPI PM Timer */ |