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authorBin Liu <b-liu@ti.com>2017-08-24 19:38:33 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 11:51:55 +0300
commita2f656060b88241a22afb5927e433a126f1e151e (patch)
tree9961059474cab26e8375c3b015594dadc65fc350 /drivers/usb
parent0ccbadafb4130407dc594395577e9e40f5b03ad6 (diff)
downloadlinux-a2f656060b88241a22afb5927e433a126f1e151e.tar.xz
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/musb_host.c4
1 files changed, 4 insertions, 0 deletions
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;
}