diff options
-rw-r--r-- | drivers/pci/controller/pci-xgene-msi.c | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/pci/controller/pci-xgene-msi.c b/drivers/pci/controller/pci-xgene-msi.c index b05ec8b0bb93..5b6928668917 100644 --- a/drivers/pci/controller/pci-xgene-msi.c +++ b/drivers/pci/controller/pci-xgene-msi.c @@ -355,40 +355,26 @@ static int xgene_msi_hwirq_alloc(unsigned int cpu) { struct xgene_msi *msi = &xgene_msi_ctrl; struct xgene_msi_group *msi_group; - cpumask_var_t mask; int i; int err; for (i = cpu; i < NR_HW_IRQS; i += msi->num_cpus) { msi_group = &msi->msi_groups[i]; - if (!msi_group->gic_irq) - continue; - - irq_set_chained_handler_and_data(msi_group->gic_irq, - xgene_msi_isr, msi_group); /* * Statically allocate MSI GIC IRQs to each CPU core. * With 8-core X-Gene v1, 2 MSI GIC IRQs are allocated * to each core. */ - if (alloc_cpumask_var(&mask, GFP_KERNEL)) { - cpumask_clear(mask); - cpumask_set_cpu(cpu, mask); - err = irq_set_affinity(msi_group->gic_irq, mask); - if (err) - pr_err("failed to set affinity for GIC IRQ"); - free_cpumask_var(mask); - } else { - pr_err("failed to alloc CPU mask for affinity\n"); - err = -EINVAL; - } - + irq_set_status_flags(msi_group->gic_irq, IRQ_NO_BALANCING); + err = irq_set_affinity(msi_group->gic_irq, cpumask_of(cpu)); if (err) { - irq_set_chained_handler_and_data(msi_group->gic_irq, - NULL, NULL); + pr_err("failed to set affinity for GIC IRQ"); return err; } + + irq_set_chained_handler_and_data(msi_group->gic_irq, + xgene_msi_isr, msi_group); } return 0; @@ -402,9 +388,6 @@ static int xgene_msi_hwirq_free(unsigned int cpu) for (i = cpu; i < NR_HW_IRQS; i += msi->num_cpus) { msi_group = &msi->msi_groups[i]; - if (!msi_group->gic_irq) - continue; - irq_set_chained_handler_and_data(msi_group->gic_irq, NULL, NULL); } |