diff options
Diffstat (limited to 'drivers/pci/host')
-rw-r--r-- | drivers/pci/host/pci-keystone-dw.c | 21 | ||||
-rw-r--r-- | drivers/pci/host/pci-keystone.c | 13 | ||||
-rw-r--r-- | drivers/pci/host/pci-xgene-msi.c | 55 | ||||
-rw-r--r-- | drivers/pci/host/pcie-designware.c | 6 | ||||
-rw-r--r-- | drivers/pci/host/pcie-xilinx.c | 12 |
5 files changed, 47 insertions, 60 deletions
diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c index f1d0749ebbf0..e71da991949b 100644 --- a/drivers/pci/host/pci-keystone-dw.c +++ b/drivers/pci/host/pci-keystone-dw.c @@ -104,14 +104,13 @@ static void ks_dw_pcie_msi_irq_ack(struct irq_data *d) { u32 offset, reg_offset, bit_pos; struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; - msi = irq_get_msi_desc(irq); - pp = sys_to_pcie(msi->dev->bus->sysdata); + msi = irq_data_get_msi_desc(d); + pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); update_reg_offset_bit_pos(offset, ®_offset, &bit_pos); writel(BIT(bit_pos), @@ -142,15 +141,14 @@ void ks_dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq) static void ks_dw_pcie_msi_irq_mask(struct irq_data *d) { struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; u32 offset; - msi = irq_get_msi_desc(irq); - pp = sys_to_pcie(msi->dev->bus->sysdata); + msi = irq_data_get_msi_desc(d); + pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); /* Mask the end point if PVM implemented */ if (IS_ENABLED(CONFIG_PCI_MSI)) { @@ -164,15 +162,14 @@ static void ks_dw_pcie_msi_irq_mask(struct irq_data *d) static void ks_dw_pcie_msi_irq_unmask(struct irq_data *d) { struct keystone_pcie *ks_pcie; - unsigned int irq = d->irq; struct msi_desc *msi; struct pcie_port *pp; u32 offset; - msi = irq_get_msi_desc(irq); - pp = sys_to_pcie(msi->dev->bus->sysdata); + msi = irq_data_get_msi_desc(d); + pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); ks_pcie = to_keystone_pcie(pp); - offset = irq - irq_linear_revmap(pp->irq_domain, 0); + offset = d->irq - irq_linear_revmap(pp->irq_domain, 0); /* Mask the end point if PVM implemented */ if (IS_ENABLED(CONFIG_PCI_MSI)) { diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c index 734da589cdfb..81253e70b1c5 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -110,8 +110,9 @@ static int ks_pcie_establish_link(struct keystone_pcie *ks_pcie) return -EINVAL; } -static void ks_pcie_msi_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ks_pcie_msi_irq_handler(unsigned int __irq, struct irq_desc *desc) { + unsigned int irq = irq_desc_get_irq(desc); struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc); u32 offset = irq - ks_pcie->msi_host_irqs[0]; struct pcie_port *pp = &ks_pcie->pp; @@ -137,8 +138,10 @@ static void ks_pcie_msi_irq_handler(unsigned int irq, struct irq_desc *desc) * Traverse through pending legacy interrupts and invoke handler for each. Also * takes care of interrupt controller level mask/ack operation. */ -static void ks_pcie_legacy_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ks_pcie_legacy_irq_handler(unsigned int __irq, + struct irq_desc *desc) { + unsigned int irq = irq_desc_get_irq(desc); struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc); struct pcie_port *pp = &ks_pcie->pp; u32 irq_offset = irq - ks_pcie->legacy_host_irqs[0]; @@ -212,9 +215,9 @@ static void ks_pcie_setup_interrupts(struct keystone_pcie *ks_pcie) /* Legacy IRQ */ for (i = 0; i < ks_pcie->num_legacy_host_irqs; i++) { - irq_set_handler_data(ks_pcie->legacy_host_irqs[i], ks_pcie); - irq_set_chained_handler(ks_pcie->legacy_host_irqs[i], - ks_pcie_legacy_irq_handler); + irq_set_chained_handler_and_data(ks_pcie->legacy_host_irqs[i], + ks_pcie_legacy_irq_handler, + ks_pcie); } ks_dw_pcie_enable_legacy_irqs(ks_pcie); diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c index 398c9bfe13a9..996327cfa1e1 100644 --- a/drivers/pci/host/pci-xgene-msi.c +++ b/drivers/pci/host/pci-xgene-msi.c @@ -40,8 +40,8 @@ struct xgene_msi_group { struct xgene_msi { struct device_node *node; - struct msi_controller mchip; - struct irq_domain *domain; + struct irq_domain *inner_domain; + struct irq_domain *msi_domain; u64 msi_addr; void __iomem *msi_regs; unsigned long *bitmap; @@ -251,17 +251,17 @@ static const struct irq_domain_ops msi_domain_ops = { static int xgene_allocate_domains(struct xgene_msi *msi) { - msi->domain = irq_domain_add_linear(NULL, NR_MSI_VEC, - &msi_domain_ops, msi); - if (!msi->domain) + msi->inner_domain = irq_domain_add_linear(NULL, NR_MSI_VEC, + &msi_domain_ops, msi); + if (!msi->inner_domain) return -ENOMEM; - msi->mchip.domain = pci_msi_create_irq_domain(msi->mchip.of_node, - &xgene_msi_domain_info, - msi->domain); + msi->msi_domain = pci_msi_create_irq_domain(msi->node, + &xgene_msi_domain_info, + msi->inner_domain); - if (!msi->mchip.domain) { - irq_domain_remove(msi->domain); + if (!msi->msi_domain) { + irq_domain_remove(msi->inner_domain); return -ENOMEM; } @@ -270,10 +270,10 @@ static int xgene_allocate_domains(struct xgene_msi *msi) static void xgene_free_domains(struct xgene_msi *msi) { - if (msi->mchip.domain) - irq_domain_remove(msi->mchip.domain); - if (msi->domain) - irq_domain_remove(msi->domain); + if (msi->msi_domain) + irq_domain_remove(msi->msi_domain); + if (msi->inner_domain) + irq_domain_remove(msi->inner_domain); } static int xgene_msi_init_allocator(struct xgene_msi *xgene_msi) @@ -339,7 +339,7 @@ static void xgene_msi_isr(unsigned int irq, struct irq_desc *desc) * CPU0 */ hw_irq = hwirq_to_canonical_hwirq(hw_irq); - virq = irq_find_mapping(xgene_msi->domain, hw_irq); + virq = irq_find_mapping(xgene_msi->inner_domain, hw_irq); WARN_ON(!virq); if (virq != 0) generic_handle_irq(virq); @@ -367,10 +367,8 @@ static int xgene_msi_remove(struct platform_device *pdev) for (i = 0; i < NR_HW_IRQS; i++) { virq = msi->msi_groups[i].gic_irq; - if (virq != 0) { - irq_set_chained_handler(virq, NULL); - irq_set_handler_data(virq, NULL); - } + if (virq != 0) + irq_set_chained_handler_and_data(virq, NULL, NULL); } kfree(msi->msi_groups); @@ -420,8 +418,8 @@ static int xgene_msi_hwirq_alloc(unsigned int cpu) } if (err) { - irq_set_chained_handler(msi_group->gic_irq, NULL); - irq_set_handler_data(msi_group->gic_irq, NULL); + irq_set_chained_handler_and_data(msi_group->gic_irq, + NULL, NULL); return err; } } @@ -440,8 +438,8 @@ static void xgene_msi_hwirq_free(unsigned int cpu) if (!msi_group->gic_irq) continue; - irq_set_chained_handler(msi_group->gic_irq, NULL); - irq_set_handler_data(msi_group->gic_irq, NULL); + irq_set_chained_handler_and_data(msi_group->gic_irq, NULL, + NULL); } } @@ -496,7 +494,7 @@ static int xgene_msi_probe(struct platform_device *pdev) goto error; } xgene_msi->msi_addr = res->start; - + xgene_msi->node = pdev->dev.of_node; xgene_msi->num_cpus = num_possible_cpus(); rc = xgene_msi_init_allocator(xgene_msi); @@ -560,19 +558,10 @@ static int xgene_msi_probe(struct platform_device *pdev) cpu_notifier_register_done(); - xgene_msi->mchip.of_node = pdev->dev.of_node; - rc = of_pci_msi_chip_add(&xgene_msi->mchip); - if (rc) { - dev_err(&pdev->dev, "failed to add MSI controller chip\n"); - goto error_notifier; - } - dev_info(&pdev->dev, "APM X-Gene PCIe MSI driver loaded\n"); return 0; -error_notifier: - unregister_hotcpu_notifier(&xgene_msi_cpu_notifier); error: xgene_msi_remove(pdev); return rc; diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 8d52ce73f842..52aa6e34002b 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -255,7 +255,7 @@ static void dw_pcie_msi_set_irq(struct pcie_port *pp, int irq) static int assign_irq(int no_irqs, struct msi_desc *desc, int *pos) { int irq, pos0, i; - struct pcie_port *pp = sys_to_pcie(desc->dev->bus->sysdata); + struct pcie_port *pp = sys_to_pcie(msi_desc_to_pci_sysdata(desc)); pos0 = bitmap_find_free_region(pp->msi_irq_in_use, MAX_MSI_IRQS, order_base_2(no_irqs)); @@ -326,8 +326,8 @@ static int dw_msi_setup_irq(struct msi_controller *chip, struct pci_dev *pdev, static void dw_msi_teardown_irq(struct msi_controller *chip, unsigned int irq) { struct irq_data *data = irq_get_irq_data(irq); - struct msi_desc *msi = irq_data_get_msi(data); - struct pcie_port *pp = sys_to_pcie(msi->dev->bus->sysdata); + struct msi_desc *msi = irq_data_get_msi_desc(data); + struct pcie_port *pp = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); clear_irq_range(pp, irq, 1, data->hwirq); } diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c index 1aeaa914bd30..3c7a0d580b1e 100644 --- a/drivers/pci/host/pcie-xilinx.c +++ b/drivers/pci/host/pcie-xilinx.c @@ -227,18 +227,16 @@ static struct pci_ops xilinx_pcie_ops = { */ static void xilinx_pcie_destroy_msi(unsigned int irq) { - struct irq_desc *desc; struct msi_desc *msi; struct xilinx_pcie_port *port; - desc = irq_to_desc(irq); - msi = irq_desc_get_msi_desc(desc); - port = sys_to_pcie(msi->dev->bus->sysdata); - - if (!test_bit(irq, msi_irq_in_use)) + if (!test_bit(irq, msi_irq_in_use)) { + msi = irq_get_msi_desc(irq); + port = sys_to_pcie(msi_desc_to_pci_sysdata(msi)); dev_err(port->dev, "Trying to free unused MSI#%d\n", irq); - else + } else { clear_bit(irq, msi_irq_in_use); + } } /** |