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-rw-r--r--drivers/usb/host/ehci-sched.c2
-rw-r--r--drivers/usb/host/isp1760-hcd.c24
-rw-r--r--drivers/usb/host/ohci-at91.c4
-rw-r--r--drivers/usb/host/whci/asl.c15
-rw-r--r--drivers/usb/host/whci/hcd.c23
-rw-r--r--drivers/usb/host/whci/pzl.c16
-rw-r--r--drivers/usb/host/whci/qset.c24
-rw-r--r--drivers/usb/host/whci/whcd.h1
-rw-r--r--drivers/usb/host/whci/whci-hc.h1
9 files changed, 93 insertions, 17 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index ada5d2ba297..556d0ec0c1f 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -323,7 +323,7 @@ static int tt_available (
* already scheduled transactions
*/
if (125 < usecs) {
- int ufs = (usecs / 125) - 1;
+ int ufs = (usecs / 125);
int i;
for (i = uframe; i < (uframe + ufs) && i < 8; i++)
if (0 < tt_usecs[i]) {
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index cd07ea3f0c6..15438469f21 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1658,6 +1658,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
u32 reg_base, or_reg, skip_reg;
unsigned long flags;
struct ptd ptd;
+ packet_enqueue *pe;
switch (usb_pipetype(urb->pipe)) {
case PIPE_ISOCHRONOUS:
@@ -1669,6 +1670,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
reg_base = INT_REGS_OFFSET;
or_reg = HC_INT_IRQ_MASK_OR_REG;
skip_reg = HC_INT_PTD_SKIPMAP_REG;
+ pe = enqueue_an_INT_packet;
break;
default:
@@ -1676,6 +1678,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
reg_base = ATL_REGS_OFFSET;
or_reg = HC_ATL_IRQ_MASK_OR_REG;
skip_reg = HC_ATL_PTD_SKIPMAP_REG;
+ pe = enqueue_an_ATL_packet;
break;
}
@@ -1687,6 +1690,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
u32 skip_map;
u32 or_map;
struct isp1760_qtd *qtd;
+ struct isp1760_qh *qh = ints->qh;
skip_map = isp1760_readl(hcd->regs + skip_reg);
skip_map |= 1 << i;
@@ -1699,8 +1703,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base
+ i * sizeof(ptd), sizeof(ptd));
qtd = ints->qtd;
-
- clean_up_qtdlist(qtd);
+ qtd = clean_up_qtdlist(qtd);
free_mem(priv, ints->payload);
@@ -1711,7 +1714,24 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
ints->payload = 0;
isp1760_urb_done(priv, urb, status);
+ if (qtd)
+ pe(hcd, qh, qtd);
break;
+
+ } else if (ints->qtd) {
+ struct isp1760_qtd *qtd, *prev_qtd = ints->qtd;
+
+ for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) {
+ if (qtd->urb == urb) {
+ prev_qtd->hw_next = clean_up_qtdlist(qtd);
+ isp1760_urb_done(priv, urb, status);
+ break;
+ }
+ prev_qtd = qtd;
+ }
+ /* we found the urb before the end of the list */
+ if (qtd)
+ break;
}
ints++;
}
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 4ed228a8994..bb5e6f67157 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -280,7 +280,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
* are always powered while this driver is active, and use
* active-low power switches.
*/
- for (i = 0; i < pdata->ports; i++) {
+ for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
if (pdata->vbus_pin[i] <= 0)
continue;
gpio_request(pdata->vbus_pin[i], "ohci_vbus");
@@ -298,7 +298,7 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
int i;
if (pdata) {
- for (i = 0; i < pdata->ports; i++) {
+ for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
if (pdata->vbus_pin[i] <= 0)
continue;
gpio_direction_output(pdata->vbus_pin[i], 1);
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index 958751ccea4..c2050785a81 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -122,7 +122,8 @@ static uint32_t process_qset(struct whc *whc, struct whc_qset *qset)
process_inactive_qtd(whc, qset, td);
}
- update |= qset_add_qtds(whc, qset);
+ if (!qset->remove)
+ update |= qset_add_qtds(whc, qset);
done:
/*
@@ -254,23 +255,29 @@ int asl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
spin_lock_irqsave(&whc->lock, flags);
+ err = usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
+ if (err < 0) {
+ spin_unlock_irqrestore(&whc->lock, flags);
+ return err;
+ }
+
qset = get_qset(whc, urb, GFP_ATOMIC);
if (qset == NULL)
err = -ENOMEM;
else
err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
if (!err) {
- usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
if (!qset->in_sw_list)
asl_qset_insert_begin(whc, qset);
- }
+ } else
+ usb_hcd_unlink_urb_from_ep(&whc->wusbhc.usb_hcd, urb);
spin_unlock_irqrestore(&whc->lock, flags);
if (!err)
queue_work(whc->workqueue, &whc->async_work);
- return 0;
+ return err;
}
/**
diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c
index 1569afd6245..e019a5058ab 100644
--- a/drivers/usb/host/whci/hcd.c
+++ b/drivers/usb/host/whci/hcd.c
@@ -186,6 +186,28 @@ static void whc_endpoint_disable(struct usb_hcd *usb_hcd,
}
}
+static void whc_endpoint_reset(struct usb_hcd *usb_hcd,
+ struct usb_host_endpoint *ep)
+{
+ struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+ struct whc *whc = wusbhc_to_whc(wusbhc);
+ struct whc_qset *qset;
+
+ qset = ep->hcpriv;
+ if (qset) {
+ qset->remove = 1;
+
+ if (usb_endpoint_xfer_bulk(&ep->desc)
+ || usb_endpoint_xfer_control(&ep->desc))
+ queue_work(whc->workqueue, &whc->async_work);
+ else
+ queue_work(whc->workqueue, &whc->periodic_work);
+
+ qset_reset(whc, qset);
+ }
+}
+
+
static struct hc_driver whc_hc_driver = {
.description = "whci-hcd",
.product_desc = "Wireless host controller",
@@ -200,6 +222,7 @@ static struct hc_driver whc_hc_driver = {
.urb_enqueue = whc_urb_enqueue,
.urb_dequeue = whc_urb_dequeue,
.endpoint_disable = whc_endpoint_disable,
+ .endpoint_reset = whc_endpoint_reset,
.hub_status_data = wusbhc_rh_status_data,
.hub_control = wusbhc_rh_control,
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
index df8b85f0709..ff4ef9e910d 100644
--- a/drivers/usb/host/whci/pzl.c
+++ b/drivers/usb/host/whci/pzl.c
@@ -128,7 +128,8 @@ static enum whc_update pzl_process_qset(struct whc *whc, struct whc_qset *qset)
process_inactive_qtd(whc, qset, td);
}
- update |= qset_add_qtds(whc, qset);
+ if (!qset->remove)
+ update |= qset_add_qtds(whc, qset);
done:
/*
@@ -282,23 +283,29 @@ int pzl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
spin_lock_irqsave(&whc->lock, flags);
+ err = usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
+ if (err < 0) {
+ spin_unlock_irqrestore(&whc->lock, flags);
+ return err;
+ }
+
qset = get_qset(whc, urb, GFP_ATOMIC);
if (qset == NULL)
err = -ENOMEM;
else
err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
if (!err) {
- usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
if (!qset->in_sw_list)
qset_insert_in_sw_list(whc, qset);
- }
+ } else
+ usb_hcd_unlink_urb_from_ep(&whc->wusbhc.usb_hcd, urb);
spin_unlock_irqrestore(&whc->lock, flags);
if (!err)
queue_work(whc->workqueue, &whc->periodic_work);
- return 0;
+ return err;
}
/**
@@ -353,7 +360,6 @@ void pzl_qset_delete(struct whc *whc, struct whc_qset *qset)
qset_delete(whc, qset);
}
-
/**
* pzl_init - initialize the periodic zone list
* @whc: the WHCI host controller
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index 7be74314ee1..640b38fbd05 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -89,11 +89,16 @@ static void qset_fill_qh(struct whc_qset *qset, struct urb *urb)
QH_INFO3_TX_RATE_53_3
| QH_INFO3_TX_PWR(0) /* 0 == max power */
);
+
+ qset->qh.cur_window = cpu_to_le32((1 << qset->max_burst) - 1);
}
/**
* qset_clear - clear fields in a qset so it may be reinserted into a
- * schedule
+ * schedule.
+ *
+ * The sequence number and current window are not cleared (see
+ * qset_reset()).
*/
void qset_clear(struct whc *whc, struct whc_qset *qset)
{
@@ -101,9 +106,8 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
qset->remove = 0;
qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
- qset->qh.status = cpu_to_le16(QH_STATUS_ICUR(qset->td_start));
+ qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK;
qset->qh.err_count = 0;
- qset->qh.cur_window = cpu_to_le32((1 << qset->max_burst) - 1);
qset->qh.scratch[0] = 0;
qset->qh.scratch[1] = 0;
qset->qh.scratch[2] = 0;
@@ -114,6 +118,20 @@ void qset_clear(struct whc *whc, struct whc_qset *qset)
}
/**
+ * qset_reset - reset endpoint state in a qset.
+ *
+ * Clears the sequence number and current window. This qset must not
+ * be in the ASL or PZL.
+ */
+void qset_reset(struct whc *whc, struct whc_qset *qset)
+{
+ wait_for_completion(&qset->remove_complete);
+
+ qset->qh.status &= ~QH_STATUS_SEQ_MASK;
+ qset->qh.cur_window = cpu_to_le32((1 << qset->max_burst) - 1);
+}
+
+/**
* get_qset - get the qset for an async endpoint
*
* A new qset is created if one does not already exist.
diff --git a/drivers/usb/host/whci/whcd.h b/drivers/usb/host/whci/whcd.h
index d3543a181dc..24e94d983c5 100644
--- a/drivers/usb/host/whci/whcd.h
+++ b/drivers/usb/host/whci/whcd.h
@@ -184,6 +184,7 @@ void qset_free(struct whc *whc, struct whc_qset *qset);
struct whc_qset *get_qset(struct whc *whc, struct urb *urb, gfp_t mem_flags);
void qset_delete(struct whc *whc, struct whc_qset *qset);
void qset_clear(struct whc *whc, struct whc_qset *qset);
+void qset_reset(struct whc *whc, struct whc_qset *qset);
int qset_add_urb(struct whc *whc, struct whc_qset *qset, struct urb *urb,
gfp_t mem_flags);
void qset_free_std(struct whc *whc, struct whc_std *std);
diff --git a/drivers/usb/host/whci/whci-hc.h b/drivers/usb/host/whci/whci-hc.h
index 51df7e313b3..794dba0d0f0 100644
--- a/drivers/usb/host/whci/whci-hc.h
+++ b/drivers/usb/host/whci/whci-hc.h
@@ -185,6 +185,7 @@ struct whc_qhead {
#define QH_STATUS_FLOW_CTRL (1 << 15)
#define QH_STATUS_ICUR(i) ((i) << 5)
#define QH_STATUS_TO_ICUR(s) (((s) >> 5) & 0x7)
+#define QH_STATUS_SEQ_MASK 0x1f
/**
* usb_pipe_to_qh_type - USB core pipe type to QH transfer type
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-16 14:07:09 +0000