Add is_hpa boolean to struct cdns_pcie, to support presence of next generation - HPA(High performance architecture) PCIe controllers.
Signed-off-by: Manikandan K Pillai <mpillai@xxxxxxxxxxx>
---
drivers/pci/controller/cadence/pcie-cadence-plat.c | 5 +++++
drivers/pci/controller/cadence/pcie-cadence.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/pci/controller/cadence/pcie-cadence-plat.c b/drivers/pci/controller/cadence/pcie-cadence-plat.c
index 0456845dabb9..98ffd184be93 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-plat.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-plat.c
@@ -42,11 +42,13 @@ static int cdns_plat_pcie_probe(struct platform_device *pdev)
const struct cdns_plat_pcie_of_data *data;
struct cdns_plat_pcie *cdns_plat_pcie;
struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
struct pci_host_bridge *bridge;
struct cdns_pcie_ep *ep;
struct cdns_pcie_rc *rc;
int phy_count;
bool is_rc;
+ bool is_hpa;
int ret;
data = of_device_get_match_data(dev);
@@ -55,6 +57,8 @@ static int cdns_plat_pcie_probe(struct platform_device *pdev)
is_rc = data->is_rc;
+ is_hpa = of_property_read_bool(np, "hpa");
+
pr_debug(" Started %s with is_rc: %d\n", __func__, is_rc);
cdns_plat_pcie = devm_kzalloc(dev, sizeof(*cdns_plat_pcie), GFP_KERNEL);
if (!cdns_plat_pcie)
@@ -72,6 +76,7 @@ static int cdns_plat_pcie_probe(struct platform_device *pdev)
rc = pci_host_bridge_priv(bridge);
rc->pcie.dev = dev;
rc->pcie.ops = &cdns_plat_ops;
+ rc->pcie.is_hpa = is_hpa;
cdns_plat_pcie->pcie = &rc->pcie;
ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie); diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index f5eeff834ec1..fecb64ec9581 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -305,6 +305,7 @@ struct cdns_pcie {
struct resource *mem_res;
struct device *dev;
bool is_rc;
+ bool is_hpa;
int phy_count;
struct phy **phy;
struct device_link **link;
--
2.27.0
