diff mbox series

[1/2] PCI: dwc: Add host_post_init() callback

Message ID 20230809081840.16034-2-manivannan.sadhasivam@linaro.org
State Superseded
Headers show
Series PCI: qcom: Enable ASPM on host bridge and devices | expand

Commit Message

Manivannan Sadhasivam Aug. 9, 2023, 8:18 a.m. UTC
This callback can be used by the platform drivers to do configuration once
all the devices are scanned. Like changing LNKCTL of all downstream devices
to enable ASPM etc...

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/pci/controller/dwc/pcie-designware-host.c | 3 +++
 drivers/pci/controller/dwc/pcie-designware.h      | 1 +
 2 files changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index cf61733bf78d..5ad42cdc2325 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -505,6 +505,9 @@  int dw_pcie_host_init(struct dw_pcie_rp *pp)
 	if (ret)
 		goto err_stop_link;
 
+	if (pp->ops->host_post_init)
+		pp->ops->host_post_init(pp);
+
 	return 0;
 
 err_stop_link:
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 615660640801..e595ae9456da 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -291,6 +291,7 @@  enum dw_pcie_core_rst {
 struct dw_pcie_host_ops {
 	int (*host_init)(struct dw_pcie_rp *pp);
 	void (*host_deinit)(struct dw_pcie_rp *pp);
+	void (*host_post_init)(struct dw_pcie_rp *pp);
 	int (*msi_host_init)(struct dw_pcie_rp *pp);
 };