Reserve IRQ9 which is to be used as SCI interrupt number for ACPI in PIC mode.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Stefan Roese sr@denx.de Tested-by: Stefan Roese sr@denx.de
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Changes in v2: - Change to use IS_ENABLED()
arch/x86/cpu/irq.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c index 2950783..7586fc2 100644 --- a/arch/x86/cpu/irq.c +++ b/arch/x86/cpu/irq.c @@ -121,6 +121,11 @@ static int create_pirq_routing_table(struct udevice *dev) priv->irq_mask = fdtdec_get_int(blob, node, "intel,pirq-mask", PIRQ_BITMAP);
+ if (IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE)) { + /* Reserve IRQ9 for SCI */ + priv->irq_mask &= ~(1 << 9); + } + if (priv->config == PIRQ_VIA_IBASE) { int ibase_off;