4 files changed, 52 insertions, 30 deletions

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 3efa59b18044..b25cdea93a1f 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1400,6 +1400,10 @@ iso_stream_schedule (
                 goto fail;
         }
 
+        period = urb->interval;
+        if (!stream->highspeed)
+                period <<= 3;
+
         now = ehci_readl(ehci, &ehci->regs->frame_index) % mod;
 
         /* when's the last uframe this urb could start? */
@@ -1417,8 +1421,8 @@ iso_stream_schedule (
 
                 /* Fell behind (by up to twice the slop amount)? */
                 if (start >= max - 2 * 8 * SCHEDULE_SLOP)
-                        start += stream->interval * DIV_ROUND_UP(
-                                        max - start, stream->interval) - mod;
+                        start += period * DIV_ROUND_UP(
+                                        max - start, period) - mod;
 
                 /* Tried to schedule too far into the future? */
                 if (unlikely((start + sched->span) >= max)) {
@@ -1441,10 +1445,6 @@ iso_stream_schedule (
 
         /* NOTE:  assumes URB_ISO_ASAP, to limit complexity/bugs */
 
-        period = urb->interval;
-        if (!stream->highspeed)
-                period <<= 3;
-
         /* find a uframe slot with enough bandwidth */
         for (; start < (stream->next_uframe + period); start++) {
                 int             enough_space;
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 749b53742828..e33d36256350 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -1003,19 +1003,20 @@ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
         if (syssts == SE0) {
                 r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
                 r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port));
-                return;
-        }
+        } else {
+                if (syssts == FS_JSTS)
+                        r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
+                else if (syssts == LS_JSTS)
+                        r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
 
-        if (syssts == FS_JSTS)
-                r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port));
-        else if (syssts == LS_JSTS)
-                r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port));
+                r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port));
+                r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port));
 
-        r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port));
-        r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port));
+                if (r8a66597->bus_suspended)
+                        usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
+        }
 
-        if (r8a66597->bus_suspended)
-                usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
+        usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597));
 }
 
 /* this function must be called with interrupt disabled */
@@ -1024,6 +1025,8 @@ static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port)
         u16 speed = get_rh_usb_speed(r8a66597, port);
         struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
 
+        rh->port &= ~((1 << USB_PORT_FEAT_HIGHSPEED) |
+                      (1 << USB_PORT_FEAT_LOWSPEED));
         if (speed == HSMODE)
                 rh->port |= (1 << USB_PORT_FEAT_HIGHSPEED);
         else if (speed == LSMODE)
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index c632437c7649..562eba108816 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -115,6 +115,10 @@ static uint32_t process_qset(struct whc *whc, struct whc_qset *qset)
                 if (status & QTD_STS_HALTED) {
                         /* Ug, an error. */
                         process_halted_qtd(whc, qset, td);
+                        /* A halted qTD always triggers an update
+                           because the qset was either removed or
+                           reactivated. */
+                        update |= WHC_UPDATE_UPDATED;
                         goto done;
                 }
 
@@ -305,6 +309,7 @@ int asl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
         struct whc_urb *wurb = urb->hcpriv;
         struct whc_qset *qset = wurb->qset;
         struct whc_std *std, *t;
+        bool has_qtd = false;
         int ret;
         unsigned long flags;
 
@@ -315,17 +320,21 @@ int asl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
                 goto out;
 
         list_for_each_entry_safe(std, t, &qset->stds, list_node) {
-                if (std->urb == urb)
+                if (std->urb == urb) {
+                        if (std->qtd)
+                                has_qtd = true;
                         qset_free_std(whc, std);
-                else
+                } else
                         std->qtd = NULL; /* so this std is re-added when the qset is */
         }
 
-        asl_qset_remove(whc, qset);
-        wurb->status = status;
-        wurb->is_async = true;
-        queue_work(whc->workqueue, &wurb->dequeue_work);
-
+        if (has_qtd) {
+                asl_qset_remove(whc, qset);
+                wurb->status = status;
+                wurb->is_async = true;
+                queue_work(whc->workqueue, &wurb->dequeue_work);
+        } else
+                qset_remove_urb(whc, qset, urb, status);
 out:
         spin_unlock_irqrestore(&whc->lock, flags);
 
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
index a9e05bac6646..0db3fb2dc03a 100644
--- a/drivers/usb/host/whci/pzl.c
+++ b/drivers/usb/host/whci/pzl.c
@@ -121,6 +121,10 @@ static enum whc_update pzl_process_qset(struct whc *whc, struct whc_qset *qset)
                 if (status & QTD_STS_HALTED) {
                         /* Ug, an error. */
                         process_halted_qtd(whc, qset, td);
+                        /* A halted qTD always triggers an update
+                           because the qset was either removed or
+                           reactivated. */
+                        update |= WHC_UPDATE_UPDATED;
                         goto done;
                 }
 
@@ -333,6 +337,7 @@ int pzl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
         struct whc_urb *wurb = urb->hcpriv;
         struct whc_qset *qset = wurb->qset;
         struct whc_std *std, *t;
+        bool has_qtd = false;
         int ret;
         unsigned long flags;
 
@@ -343,17 +348,22 @@ int pzl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
                 goto out;
 
         list_for_each_entry_safe(std, t, &qset->stds, list_node) {
-                if (std->urb == urb)
+                if (std->urb == urb) {
+                        if (std->qtd)
+                                has_qtd = true;
                         qset_free_std(whc, std);
-                else
+                } else
                         std->qtd = NULL; /* so this std is re-added when the qset is */
         }
 
-        pzl_qset_remove(whc, qset);
-        wurb->status = status;
-        wurb->is_async = false;
-        queue_work(whc->workqueue, &wurb->dequeue_work);
-
+        if (has_qtd) {
+                pzl_qset_remove(whc, qset);
+                update_pzl_hw_view(whc);
+                wurb->status = status;
+                wurb->is_async = false;
+                queue_work(whc->workqueue, &wurb->dequeue_work);
+        } else
+                qset_remove_urb(whc, qset, urb, status);
 out:
         spin_unlock_irqrestore(&whc->lock, flags);