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-rw-r--r--drivers/usb/host/xhci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 88ec076d929d..92e1dda7246b 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3696,6 +3696,9 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
if (!xhci->slot_id) {
xhci_err(xhci, "Error while assigning device slot ID\n");
+ xhci_err(xhci, "Max number of devices this xHCI host supports is %u.\n",
+ HCS_MAX_SLOTS(
+ readl(&xhci->cap_regs->hcs_params1)));
return 0;
}
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