From: Huacai Chen Date: Sun, 30 Mar 2025 08:31:09 +0000 (+0800) Subject: LoongArch: Increase MAX_IO_PICS up to 8 X-Git-Tag: v6.12.23~63 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0aa5d4370b5b667bb2d9f7224da46dfdb76a396f;p=thirdparty%2Fkernel%2Fstable.git LoongArch: Increase MAX_IO_PICS up to 8 commit ec105cadff5d8c0a029a3dc1084cae46cf3f799d upstream. Begin with Loongson-3C6000, the number of PCI host can be as many as 8 for multi-chip machines, and this number should be the same for I/O interrupt controllers. To support these machines we also increase the MAX_IO_PICS up to 8. Cc: stable@vger.kernel.org Tested-by: Mingcong Bai Signed-off-by: Huacai Chen Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h index 9c2ca785faa9b..b2915fd538620 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -53,7 +53,7 @@ void spurious_interrupt(void); #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace void arch_trigger_cpumask_backtrace(const struct cpumask *mask, int exclude_cpu); -#define MAX_IO_PICS 2 +#define MAX_IO_PICS 8 #define NR_IRQS (64 + NR_VECTORS * (NR_CPUS + MAX_IO_PICS)) struct acpi_vector_group {