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path: root/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
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Diffstat (limited to 'drivers/pci/controller/mobiveil/pcie-mobiveil-host.c')
-rw-r--r--drivers/pci/controller/mobiveil/pcie-mobiveil-host.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index a600f46ee3c3..dbc72c73fd0a 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/irqchip/irq-msi-lib.h>
#include <linux/irqchip/chained_irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
@@ -353,16 +354,19 @@ static const struct irq_domain_ops intx_domain_ops = {
.map = mobiveil_pcie_intx_map,
};
-static struct irq_chip mobiveil_msi_irq_chip = {
- .name = "Mobiveil PCIe MSI",
- .irq_mask = pci_msi_mask_irq,
- .irq_unmask = pci_msi_unmask_irq,
-};
+#define MOBIVEIL_MSI_FLAGS_REQUIRED (MSI_FLAG_USE_DEF_DOM_OPS | \
+ MSI_FLAG_USE_DEF_CHIP_OPS | \
+ MSI_FLAG_NO_AFFINITY)
+
+#define MOBIVEIL_MSI_FLAGS_SUPPORTED (MSI_GENERIC_FLAGS_MASK | \
+ MSI_FLAG_PCI_MSIX)
-static struct msi_domain_info mobiveil_msi_domain_info = {
- .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_NO_AFFINITY | MSI_FLAG_PCI_MSIX,
- .chip = &mobiveil_msi_irq_chip,
+static const struct msi_parent_ops mobiveil_msi_parent_ops = {
+ .required_flags = MOBIVEIL_MSI_FLAGS_REQUIRED,
+ .supported_flags = MOBIVEIL_MSI_FLAGS_SUPPORTED,
+ .bus_select_token = DOMAIN_BUS_PCI_MSI,
+ .prefix = "Mobiveil-",
+ .init_dev_msi_info = msi_lib_init_dev_msi_info,
};
static void mobiveil_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
@@ -435,23 +439,20 @@ static const struct irq_domain_ops msi_domain_ops = {
static int mobiveil_allocate_msi_domains(struct mobiveil_pcie *pcie)
{
struct device *dev = &pcie->pdev->dev;
- struct fwnode_handle *fwnode = of_fwnode_handle(dev->of_node);
struct mobiveil_msi *msi = &pcie->rp.msi;
mutex_init(&msi->lock);
- msi->dev_domain = irq_domain_create_linear(NULL, msi->num_of_vectors,
- &msi_domain_ops, pcie);
- if (!msi->dev_domain) {
- dev_err(dev, "failed to create IRQ domain\n");
- return -ENOMEM;
- }
- msi->msi_domain = pci_msi_create_irq_domain(fwnode,
- &mobiveil_msi_domain_info,
- msi->dev_domain);
- if (!msi->msi_domain) {
+ struct irq_domain_info info = {
+ .fwnode = dev_fwnode(dev),
+ .ops = &msi_domain_ops,
+ .host_data = pcie,
+ .size = msi->num_of_vectors,
+ };
+
+ msi->dev_domain = msi_create_parent_irq_domain(&info, &mobiveil_msi_parent_ops);
+ if (!msi->dev_domain) {
dev_err(dev, "failed to create MSI domain\n");
- irq_domain_remove(msi->dev_domain);
return -ENOMEM;
}
@@ -464,9 +465,8 @@ static int mobiveil_pcie_init_irq_domain(struct mobiveil_pcie *pcie)
struct mobiveil_root_port *rp = &pcie->rp;
/* setup INTx */
- rp->intx_domain = irq_domain_create_linear(of_fwnode_handle(dev->of_node), PCI_NUM_INTX,
- &intx_domain_ops, pcie);
-
+ rp->intx_domain = irq_domain_create_linear(dev_fwnode(dev), PCI_NUM_INTX, &intx_domain_ops,
+ pcie);
if (!rp->intx_domain) {
dev_err(dev, "Failed to get a INTx IRQ domain\n");
return -ENOMEM;