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Thu, 19 Oct 2023 20:38:56 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780244168925634525 X-GMAIL-MSGID: 1780244168925634525 If the system is configured with the NULL PIC, the system should still be able to set up the timer IRQ at IRQ 0. Link: https://lore.kernel.org/linux-kernel/878r7z4kb4.ffs@tglx/ Signed-off-by: Mario Limonciello --- arch/x86/kernel/i8259.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c index 43c1c24e934b..885687e64e4e 100644 --- a/arch/x86/kernel/i8259.c +++ b/arch/x86/kernel/i8259.c @@ -424,7 +424,7 @@ static int legacy_pic_probe(void) } struct legacy_pic null_legacy_pic = { - .nr_legacy_irqs = 0, + .nr_legacy_irqs = 1, .chip = &dummy_irq_chip, .mask = legacy_pic_uint_noop, .unmask = legacy_pic_uint_noop,