diff options
Diffstat (limited to 'drivers/irqchip/irq-riscv-imsic-early.c')
| -rw-r--r-- | drivers/irqchip/irq-riscv-imsic-early.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/irqchip/irq-riscv-imsic-early.c b/drivers/irqchip/irq-riscv-imsic-early.c index c5c2e6929a2f..d9ae87808651 100644 --- a/drivers/irqchip/irq-riscv-imsic-early.c +++ b/drivers/irqchip/irq-riscv-imsic-early.c @@ -27,7 +27,7 @@ static void imsic_ipi_send(unsigned int cpu) { struct imsic_local_config *local = per_cpu_ptr(imsic->global.local, cpu); - writel_relaxed(IMSIC_IPI_ID, local->msi_va); + writel(IMSIC_IPI_ID, local->msi_va); } static void imsic_ipi_starting_cpu(void) @@ -73,10 +73,16 @@ static int __init imsic_ipi_domain_init(void) { return 0; } static void imsic_handle_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); - int err, cpu = smp_processor_id(); + int cpu = smp_processor_id(); struct imsic_vector *vec; unsigned long local_id; + /* + * Process pending local synchronization instead of waiting + * for per-CPU local timer to expire. + */ + imsic_local_sync_all(false); + chained_irq_enter(chip, desc); while ((local_id = csr_swap(CSR_TOPEI, 0))) { @@ -97,9 +103,7 @@ static void imsic_handle_irq(struct irq_desc *desc) continue; } - err = generic_handle_domain_irq(imsic->base_domain, vec->hwirq); - if (unlikely(err)) - pr_warn_ratelimited("hwirq 0x%x mapping not found\n", vec->hwirq); + generic_handle_irq(vec->irq); } chained_irq_exit(chip, desc); @@ -120,7 +124,7 @@ static int imsic_starting_cpu(unsigned int cpu) * Interrupts identities might have been enabled/disabled while * this CPU was not running so sync-up local enable/disable state. */ - imsic_local_sync_all(); + imsic_local_sync_all(true); /* Enable local interrupt delivery */ imsic_local_delivery(true); |