Commit dbb994b4 authored by Song Gao's avatar Song Gao Committed by Huacai Chen
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LoongArch: Add and use some macros for AVEC 



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

Signed-off-by: default avatarSong Gao <gaosong@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 1de0ae21

arch/loongarch/include/asm/irq.h

+7 −0
Original line number Diff line number Diff line
@@ -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);

drivers/irqchip/irq-loongarch-avec.c

+3 −2
Original line number Diff line number Diff line
@@ -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;

}