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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-08 22:34:53 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-08 22:34:53 -0700
commit38a4671cad3f0d277cf48445b49e42a475ebfb6a (patch)
tree7348f3dd5f4e1bec39758dcff748a9dcbbf3430c /drivers/usb/host/ehci-sched.c
parentd652f7022b359afd5d34fc9fffd71df118521ead (diff)
parent317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff)
Merge 3.10-rc5 into char-misc-next
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r--drivers/usb/host/ehci-sched.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index acff5b8f6e89..f80d0330d548 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -213,7 +213,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
}
static const unsigned char
-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };
/* carryover low/fullspeed bandwidth that crosses uframe boundries */
static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
@@ -646,6 +646,10 @@ static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh)
/* reschedule QH iff another request is queued */
if (!list_empty(&qh->qtd_list) && ehci->rh_state == EHCI_RH_RUNNING) {
rc = qh_schedule(ehci, qh);
+ if (rc == 0) {
+ qh_refresh(ehci, qh);
+ qh_link_periodic(ehci, qh);
+ }
/* An error here likely indicates handshake failure
* or no space left in the schedule. Neither fault
@@ -653,9 +657,10 @@ static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh)
*
* FIXME kill the now-dysfunctional queued urbs
*/
- if (rc != 0)
+ else {
ehci_err(ehci, "can't reschedule qh %p, err %d\n",
qh, rc);
+ }
}
/* maybe turn off periodic schedule */