Print an error message with qh maxpacket size and hb_mult when hwep
allocation failed, so we have a better idea why it is failed.
Signed-off-by: Bin Liu <b-liu@xxxxxx>
---
drivers/usb/musb/musb_host.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 3344ffd5bb13..605167d81676 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2152,6 +2152,10 @@ static int musb_schedule(
(USB_SPEED_HIGH == qh->dev->speed) ? 8 : 4;
goto success;
} else if (best_end < 0) {
+ dev_err(musb->controller,
+ "%s hwep alloc failed for %dx%d\n",
+ musb_ep_xfertype_string(qh->type),
+ qh->hb_mult, qh->maxpacket);
return -ENOSPC;
}
--
1.9.1
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