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-rw-r--r--drivers/acpi/pci_irq.c17
-rw-r--r--drivers/parisc/dino.c3
-rw-r--r--drivers/parisc/lba_pci.c1
-rw-r--r--drivers/pci/host/pci-xgene-msi.c1
-rw-r--r--drivers/pci/host/pci-xgene.c12
-rw-r--r--drivers/pci/host/pcie-designware.c2
-rw-r--r--drivers/pci/host/pcie-xilinx.c19
-rw-r--r--drivers/pci/msi.c5
-rw-r--r--drivers/pci/pci-driver.c26
-rw-r--r--drivers/pci/pci.c3
-rw-r--r--drivers/pci/probe.c6
11 files changed, 59 insertions, 36 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 304eccb..afa16c5 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -412,7 +412,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
return 0;
}
- if (dev->irq_managed && dev->irq > 0)
+ if (pci_has_managed_irq(dev))
return 0;
entry = acpi_pci_irq_lookup(dev, pin);
@@ -457,8 +457,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
kfree(entry);
return rc;
}
- dev->irq = rc;
- dev->irq_managed = 1;
+ pci_set_managed_irq(dev, rc);
if (link)
snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
@@ -481,17 +480,9 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
u8 pin;
pin = dev->pin;
- if (!pin || !dev->irq_managed || dev->irq <= 0)
+ if (!pin || !pci_has_managed_irq(dev))
return;
- /* Keep IOAPIC pin configuration when suspending */
- if (dev->dev.power.is_prepared)
- return;
-#ifdef CONFIG_PM
- if (dev->dev.power.runtime_status == RPM_SUSPENDING)
- return;
-#endif
-
entry = acpi_pci_irq_lookup(dev, pin);
if (!entry)
return;
@@ -511,6 +502,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin));
if (gsi >= 0) {
acpi_unregister_gsi(gsi);
- dev->irq_managed = 0;
+ pci_reset_managed_irq(dev);
}
}
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index a0580af..baec33c 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -560,9 +560,6 @@ dino_fixup_bus(struct pci_bus *bus)
} else if (bus->parent) {
int i;
- pci_read_bridge_bases(bus);
-
-
for(i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) {
if((bus->self->resource[i].flags &
(IORESOURCE_IO | IORESOURCE_MEM)) == 0)
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index dceb9dd..901e1a3 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -693,7 +693,6 @@ lba_fixup_bus(struct pci_bus *bus)
if (bus->parent) {
int i;
/* PCI-PCI Bridge */
- pci_read_bridge_bases(bus);
for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++)
pci_claim_bridge_resource(bus->self, i);
} else {
diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c
index 2d31d4d..9e1889e 100644
--- a/drivers/pci/host/pci-xgene-msi.c
+++ b/drivers/pci/host/pci-xgene-msi.c
@@ -582,7 +582,6 @@ error:
static struct platform_driver xgene_msi_driver = {
.driver = {
.name = "xgene-msi",
- .owner = THIS_MODULE,
.of_match_table = xgene_msi_match_table,
},
.probe = xgene_msi_probe,
diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
index a9dfb70..55fe865 100644
--- a/drivers/pci/host/pci-xgene.c
+++ b/drivers/pci/host/pci-xgene.c
@@ -321,8 +321,16 @@ static int xgene_pcie_map_ranges(struct xgene_pcie_port *port,
return ret;
break;
case IORESOURCE_MEM:
- xgene_pcie_setup_ob_reg(port, res, OMR1BARL, res->start,
- res->start - window->offset);
+ if (res->flags & IORESOURCE_PREFETCH)
+ xgene_pcie_setup_ob_reg(port, res, OMR2BARL,
+ res->start,
+ res->start -
+ window->offset);
+ else
+ xgene_pcie_setup_ob_reg(port, res, OMR1BARL,
+ res->start,
+ res->start -
+ window->offset);
break;
case IORESOURCE_BUS:
break;
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 69486be..b48b8a2 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -388,7 +388,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
addrp = of_get_address(np, index, NULL, NULL);
pp->cfg0_mod_base = of_read_number(addrp, ns);
pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
- } else {
+ } else if (!pp->va_cfg0_base) {
dev_err(pp->dev, "missing *config* reg space\n");
}
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index f1a06a0..dcb9b57 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -449,14 +449,17 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data)
return IRQ_HANDLED;
}
- /* Clear interrupt FIFO register 1 */
- pcie_write(port, XILINX_PCIE_RPIFR1_ALL_MASK,
- XILINX_PCIE_REG_RPIFR1);
-
- /* Handle INTx Interrupt */
- val = ((val & XILINX_PCIE_RPIFR1_INTR_MASK) >>
- XILINX_PCIE_RPIFR1_INTR_SHIFT) + 1;
- generic_handle_irq(irq_find_mapping(port->irq_domain, val));
+ if (!(val & XILINX_PCIE_RPIFR1_MSI_INTR)) {
+ /* Clear interrupt FIFO register 1 */
+ pcie_write(port, XILINX_PCIE_RPIFR1_ALL_MASK,
+ XILINX_PCIE_REG_RPIFR1);
+
+ /* Handle INTx Interrupt */
+ val = ((val & XILINX_PCIE_RPIFR1_INTR_MASK) >>
+ XILINX_PCIE_RPIFR1_INTR_SHIFT) + 1;
+ generic_handle_irq(irq_find_mapping(port->irq_domain,
+ val));
+ }
}
if (status & XILINX_PCIE_INTR_MSI) {
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index f66be86..bb74238 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -665,6 +665,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec)
pci_msi_set_enable(dev, 1);
dev->msi_enabled = 1;
+ pcibios_free_irq(dev);
dev->irq = entry->irq;
return 0;
}
@@ -792,9 +793,9 @@ static int msix_capability_init(struct pci_dev *dev,
/* Set MSI-X enabled bits and unmask the function */
pci_intx_for_msi(dev, 0);
dev->msix_enabled = 1;
-
pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL, 0);
+ pcibios_free_irq(dev);
return 0;
out_avail:
@@ -909,6 +910,7 @@ void pci_msi_shutdown(struct pci_dev *dev)
/* Restore dev->irq to its default pin-assertion irq */
dev->irq = desc->msi_attrib.default_irq;
+ pcibios_alloc_irq(dev);
}
void pci_disable_msi(struct pci_dev *dev)
@@ -1009,6 +1011,7 @@ void pci_msix_shutdown(struct pci_dev *dev)
pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0);
pci_intx_for_msi(dev, 1);
dev->msix_enabled = 0;
+ pcibios_alloc_irq(dev);
}
void pci_disable_msix(struct pci_dev *dev)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 3cb2210..52a880c 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -388,18 +388,31 @@ static int __pci_device_probe(struct pci_driver *drv, struct pci_dev *pci_dev)
return error;
}
+int __weak pcibios_alloc_irq(struct pci_dev *dev)
+{
+ return 0;
+}
+
+void __weak pcibios_free_irq(struct pci_dev *dev)
+{
+}
+
static int pci_device_probe(struct device *dev)
{
- int error = 0;
- struct pci_driver *drv;
- struct pci_dev *pci_dev;
+ int error;
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ struct pci_driver *drv = to_pci_driver(dev->driver);
+
+ error = pcibios_alloc_irq(pci_dev);
+ if (error < 0)
+ return error;
- drv = to_pci_driver(dev->driver);
- pci_dev = to_pci_dev(dev);
pci_dev_get(pci_dev);
error = __pci_device_probe(drv, pci_dev);
- if (error)
+ if (error) {
+ pcibios_free_irq(pci_dev);
pci_dev_put(pci_dev);
+ }
return error;
}
@@ -415,6 +428,7 @@ static int pci_device_remove(struct device *dev)
drv->remove(pci_dev);
pm_runtime_put_noidle(dev);
}
+ pcibios_free_irq(pci_dev);
pci_dev->driver = NULL;
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 359b954..8037c27 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1089,6 +1089,9 @@ void pci_restore_state(struct pci_dev *dev)
pci_restore_pcix_state(dev);
pci_restore_msi_state(dev);
+
+ /* Restore ACS and IOV configuration state */
+ pci_enable_acs(dev);
pci_restore_iov_state(dev);
dev->state_saved = false;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 71bd520..0fb0c74 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -826,6 +826,9 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
child->bridge_ctl = bctl;
}
+ /* Read and initialize bridge resources */
+ pci_read_bridge_bases(child);
+
cmax = pci_scan_child_bus(child);
if (cmax > subordinate)
dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n",
@@ -886,6 +889,9 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
if (!is_cardbus) {
child->bridge_ctl = bctl;
+
+ /* Read and initialize bridge resources */
+ pci_read_bridge_bases(child);
max = pci_scan_child_bus(child);
} else {
/*
generated by cgit v0.10.2 at 2024-08-13 06:52:18 (GMT)