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LoongArch: Increase MAX_IO_PICS up to 8

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commit ec105cadff 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 <baimingcong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Huacai Chen
2025-03-30 16:31:09 +08:00
committed by Greg Kroah-Hartman
parent 1d0def2d16
commit 0aa5d4370b
1 changed files with 1 additions and 1 deletions
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arch/loongarch/include/asm/irq.h
+1 -1
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@@ -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 {