Print PORTSC for port status change event to provide more information.
Signed-off-by: Andiry Xu <andiry.xu@xxxxxxx>
---
drivers/usb/host/xhci-ring.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 8e98403..bb42297 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1290,7 +1290,6 @@ static void handle_port_status(struct xhci_hcd *xhci,
xhci->error_bitmask |= 1 << 8;
}
port_id = GET_PORT_ID(le32_to_cpu(event->generic.field[0]));
- xhci_dbg(xhci, "Port Status Change Event for port %d\n", port_id);
max_ports = HCS_MAX_PORTS(xhci->hcs_params1);
if ((port_id <= 0) || (port_id > max_ports)) {
@@ -1339,6 +1338,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
port_id);
temp = xhci_readl(xhci, port_array[faked_port_index]);
+ xhci_dbg(xhci, "Port Status Change Event for port %d, PORTSC 0x%x\n",
+ port_id, temp);
if (hcd->state == HC_STATE_SUSPENDED) {
xhci_dbg(xhci, "resume root hub\n");
usb_hcd_resume_root_hub(hcd);
--
1.7.4.1
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