Introduce the helper function dw_pcie_free_domains() which will undo the
allocation performed by the dw_pcie_allocate_domains() function. Export
this helper for the users of dw_pcie_allocate_domains().
Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
---
drivers/pci/controller/dwc/pcie-designware-host.c | 9 +++++++++
drivers/pci/controller/dwc/pcie-designware.h | 5 +++++
2 files changed, 14 insertions(+)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 3cc83d921376..df55c0ed75e4 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -211,6 +211,15 @@ static const struct irq_domain_ops dw_pcie_msi_domain_ops = {
.free = dw_pcie_irq_domain_free,
};
+void dw_pcie_free_domains(struct dw_pcie_rp *pp)
+{
+ if (pp->irq_domain) {
+ irq_domain_remove(pp->irq_domain);
+ pp->irq_domain = NULL;
+ }
+}
+EXPORT_SYMBOL_GPL(dw_pcie_free_domains);
+
int dw_pcie_allocate_domains(struct dw_pcie_rp *pp)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index a44f2113925d..9f6f6f0ecd93 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -802,6 +802,7 @@ void dw_pcie_free_msi(struct dw_pcie_rp *pp);
int dw_pcie_setup_rc(struct dw_pcie_rp *pp);
int dw_pcie_host_init(struct dw_pcie_rp *pp);
void dw_pcie_host_deinit(struct dw_pcie_rp *pp);
+void dw_pcie_free_domains(struct dw_pcie_rp *pp);
int dw_pcie_allocate_domains(struct dw_pcie_rp *pp);
void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus, unsigned int devfn,
int where);
@@ -846,6 +847,10 @@ static inline void dw_pcie_host_deinit(struct dw_pcie_rp *pp)
{
}
+static inline void dw_pcie_free_domains(struct dw_pcie_rp *pp)
+{
+}
+
static inline int dw_pcie_allocate_domains(struct dw_pcie_rp *pp)
{
return 0;
--
2.43.0
