diff mbox series

[v2,01/10] PCI: update current bus speed as part of pci_bus_add_devices()

Message ID 20250313-mhi_bw_up-v2-1-869ca32170bf@oss.qualcomm.com
State New
Headers show
Series bus: mhi: host: Add support for mhi bus bw | expand

Commit Message

Krishna Chaitanya Chundru March 13, 2025, 11:40 a.m. UTC 
If the link is not up till the pwrctl drivers enable power to endpoints
then cur_bus_speed will not be updated with correct speed.

As part of rescan, pci_bus_add_devices() will be called and as part of
it update the link bus speed.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 drivers/pci/bus.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 98910bc0fcc4..994879071d4c 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -432,6 +432,9 @@  void pci_bus_add_devices(const struct pci_bus *bus)
 	struct pci_dev *dev;
 	struct pci_bus *child;
 
+	if (bus->self)
+		pcie_update_link_speed((struct pci_bus *)bus);
+
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		/* Skip already-added devices */
 		if (pci_dev_is_added(dev))