usb: musb: print an error message when hwep alloc failed
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@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2152,6 +2152,10 @@ static int musb_schedule(
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(USB_SPEED_HIGH == qh->dev->speed) ? 8 : 4;
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(USB_SPEED_HIGH == qh->dev->speed) ? 8 : 4;
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goto success;
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goto success;
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} else if (best_end < 0) {
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} else if (best_end < 0) {
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dev_err(musb->controller,
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"%s hwep alloc failed for %dx%d\n",
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musb_ep_xfertype_string(qh->type),
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qh->hb_mult, qh->maxpacket);
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return -ENOSPC;
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return -ENOSPC;
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}
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}
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