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-rw-r--r--drivers/pci/host/pci-keystone-dw.c21
-rw-r--r--drivers/pci/host/pci-keystone.c13
-rw-r--r--drivers/pci/host/pci-xgene-msi.c55
-rw-r--r--drivers/pci/host/pcie-designware.c6
-rw-r--r--drivers/pci/host/pcie-xilinx.c12
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, &reg_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);
+ }
}
/**