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LoongArch: Add and use some macros for AVEC

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Add and use some macros for AVEC interrupt controller, instead of using
magic numbers.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Song Gao
2025-12-06 10:39:49 +08:00
committed by Huacai Chen
parent 1de0ae21f1
commit dbb994b44c
2 changed files with 10 additions and 2 deletions
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7
arch/loongarch/include/asm/irq.h
View File

@@ -50,6 +50,13 @@ void spurious_interrupt(void);
#define NR_LEGACY_VECTORS 16
#define IRQ_MATRIX_BITS NR_VECTORS
#define AVEC_IRQ_SHIFT 4
#define AVEC_IRQ_BIT 8
#define AVEC_IRQ_MASK GENMASK(AVEC_IRQ_BIT - 1, 0)
#define AVEC_CPU_SHIFT 12
#define AVEC_CPU_BIT 16
#define AVEC_CPU_MASK GENMASK(AVEC_CPU_BIT - 1, 0)
#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
void arch_trigger_cpumask_backtrace(const struct cpumask *mask, int exclude_cpu);

5
drivers/irqchip/irq-loongarch-avec.c
View File

@@ -209,8 +209,9 @@ static void avecintc_compose_msi_msg(struct irq_data *d, struct msi_msg *msg)
struct avecintc_data *adata = irq_data_get_irq_chip_data(d);
msg->address_hi = 0x0;
msg->address_lo = (loongarch_avec.msi_base_addr | (adata->vec & 0xff) << 4)
| ((cpu_logical_map(adata->cpu & 0xffff)) << 12);
msg->address_lo = (loongarch_avec.msi_base_addr |
(adata->vec & AVEC_IRQ_MASK) << AVEC_IRQ_SHIFT) |
((cpu_logical_map(adata->cpu & AVEC_CPU_MASK)) << AVEC_CPU_SHIFT);
msg->data = 0x0;
}