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-rw-r--r--drivers/usb/core/hcd.c1
-rw-r--r--drivers/usb/core/hub.c8
-rw-r--r--drivers/usb/dwc3/dwc3-exynos.c4
-rw-r--r--drivers/usb/gadget/function/f_fs.c10
-rw-r--r--drivers/usb/gadget/legacy/inode.c5
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c19
-rw-r--r--drivers/usb/gadget/udc/net2280.c9
-rw-r--r--drivers/usb/host/r8a66597-hcd.c6
-rw-r--r--drivers/usb/host/xhci-pci.c3
-rw-r--r--drivers/usb/usbip/vhci_hcd.c11
10 files changed, 42 insertions, 34 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index c3f4f2ab7b33..b403596818db 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2511,6 +2511,7 @@ struct usb_hcd *usb_create_shared_hcd(const struct hc_driver *driver,
hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex),
GFP_KERNEL);
if (!hcd->bandwidth_mutex) {
+ kfree(hcd->address0_mutex);
kfree(hcd);
dev_dbg(dev, "hcd bandwidth mutex alloc failed\n");
return NULL;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b627392ad52a..1d59d489a1ad 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1318,7 +1318,13 @@ static int hub_configure(struct usb_hub *hub,
if (ret < 0) {
message = "can't read hub descriptor";
goto fail;
- } else if (hub->descriptor->bNbrPorts > USB_MAXCHILDREN) {
+ }
+
+ maxchild = USB_MAXCHILDREN;
+ if (hub_is_superspeed(hdev))
+ maxchild = min_t(unsigned, maxchild, USB_SS_MAXPORTS);
+
+ if (hub->descriptor->bNbrPorts > maxchild) {
message = "hub has too many ports!";
ret = -ENODEV;
goto fail;
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 2f1fb7e7aa54..9eba51b92f72 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -148,7 +148,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk");
if (IS_ERR(exynos->axius_clk)) {
dev_err(dev, "no AXI UpScaler clk specified\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto axius_clk_err;
}
clk_prepare_enable(exynos->axius_clk);
} else {
@@ -206,6 +207,7 @@ err3:
regulator_disable(exynos->vdd33);
err2:
clk_disable_unprepare(exynos->axius_clk);
+axius_clk_err:
clk_disable_unprepare(exynos->susp_clk);
clk_disable_unprepare(exynos->clk);
return ret;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 9ad5145d3103..6d8f865a2fb7 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1668,12 +1668,12 @@ static int ffs_func_eps_enable(struct ffs_function *func)
ep->ep->driver_data = ep;
ep->ep->desc = ds;
- comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds +
- USB_DT_ENDPOINT_SIZE);
- ep->ep->maxburst = comp_desc->bMaxBurst + 1;
-
- if (needs_comp_desc)
+ if (needs_comp_desc) {
+ comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds +
+ USB_DT_ENDPOINT_SIZE);
+ ep->ep->maxburst = comp_desc->bMaxBurst + 1;
ep->ep->comp_desc = comp_desc;
+ }
ret = usb_ep_enable(ep->ep);
if (likely(!ret)) {
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index de014436fb22..43ce2cfcdb4d 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1676,9 +1676,10 @@ static void
gadgetfs_suspend (struct usb_gadget *gadget)
{
struct dev_data *dev = get_gadget_data (gadget);
+ unsigned long flags;
INFO (dev, "suspended from state %d\n", dev->state);
- spin_lock (&dev->lock);
+ spin_lock_irqsave(&dev->lock, flags);
switch (dev->state) {
case STATE_DEV_SETUP: // VERY odd... host died??
case STATE_DEV_CONNECTED:
@@ -1689,7 +1690,7 @@ gadgetfs_suspend (struct usb_gadget *gadget)
default:
break;
}
- spin_unlock (&dev->lock);
+ spin_unlock_irqrestore(&dev->lock, flags);
}
static struct usb_gadget_driver gadgetfs_driver = {
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 6610f7a023d3..64f404a1a072 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -442,23 +442,16 @@ static void set_link_state(struct dummy_hcd *dum_hcd)
/* Report reset and disconnect events to the driver */
if (dum->driver && (disconnect || reset)) {
stop_activity(dum);
- spin_unlock(&dum->lock);
if (reset)
usb_gadget_udc_reset(&dum->gadget, dum->driver);
else
dum->driver->disconnect(&dum->gadget);
- spin_lock(&dum->lock);
}
} else if (dum_hcd->active != dum_hcd->old_active) {
- if (dum_hcd->old_active && dum->driver->suspend) {
- spin_unlock(&dum->lock);
+ if (dum_hcd->old_active && dum->driver->suspend)
dum->driver->suspend(&dum->gadget);
- spin_lock(&dum->lock);
- } else if (!dum_hcd->old_active && dum->driver->resume) {
- spin_unlock(&dum->lock);
+ else if (!dum_hcd->old_active && dum->driver->resume)
dum->driver->resume(&dum->gadget);
- spin_lock(&dum->lock);
- }
}
dum_hcd->old_status = dum_hcd->port_status;
@@ -985,7 +978,9 @@ static int dummy_udc_stop(struct usb_gadget *g)
struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
struct dummy *dum = dum_hcd->dum;
+ spin_lock_irq(&dum->lock);
dum->driver = NULL;
+ spin_unlock_irq(&dum->lock);
return 0;
}
@@ -2011,7 +2006,7 @@ ss_hub_descriptor(struct usb_hub_descriptor *desc)
HUB_CHAR_COMMON_OCPM);
desc->bNbrPorts = 1;
desc->u.ss.bHubHdrDecLat = 0x04; /* Worst case: 0.4 micro sec*/
- desc->u.ss.DeviceRemovable = 0xffff;
+ desc->u.ss.DeviceRemovable = 0;
}
static inline void hub_descriptor(struct usb_hub_descriptor *desc)
@@ -2023,8 +2018,8 @@ static inline void hub_descriptor(struct usb_hub_descriptor *desc)
HUB_CHAR_INDV_PORT_LPSM |
HUB_CHAR_COMMON_OCPM);
desc->bNbrPorts = 1;
- desc->u.hs.DeviceRemovable[0] = 0xff;
- desc->u.hs.DeviceRemovable[1] = 0xff;
+ desc->u.hs.DeviceRemovable[0] = 0;
+ desc->u.hs.DeviceRemovable[1] = 0xff; /* PortPwrCtrlMask */
}
static int dummy_hub_control(
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 6706aef907f4..a47de8c31ce9 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -2425,11 +2425,8 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver)
nuke(&dev->ep[i]);
/* report disconnect; the driver is already quiesced */
- if (driver) {
- spin_unlock(&dev->lock);
+ if (driver)
driver->disconnect(&dev->gadget);
- spin_lock(&dev->lock);
- }
usb_reinit(dev);
}
@@ -3275,8 +3272,6 @@ next_endpoints:
BIT(PCI_RETRY_ABORT_INTERRUPT))
static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
-__releases(dev->lock)
-__acquires(dev->lock)
{
struct net2280_ep *ep;
u32 tmp, num, mask, scratch;
@@ -3317,14 +3312,12 @@ __acquires(dev->lock)
if (disconnect || reset) {
stop_activity(dev, dev->driver);
ep0_start(dev);
- spin_unlock(&dev->lock);
if (reset)
usb_gadget_udc_reset
(&dev->gadget, dev->driver);
else
(dev->driver->disconnect)
(&dev->gadget);
- spin_lock(&dev->lock);
return;
}
}
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 4cbd0633c5c2..a11c2c8bda53 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -1269,7 +1269,7 @@ static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
time = 30;
break;
default:
- time = 300;
+ time = 50;
break;
}
@@ -1785,6 +1785,7 @@ static void r8a66597_td_timer(unsigned long _r8a66597)
pipe = td->pipe;
pipe_stop(r8a66597, pipe);
+ /* Select a different address or endpoint */
new_td = td;
do {
list_move_tail(&new_td->queue,
@@ -1794,7 +1795,8 @@ static void r8a66597_td_timer(unsigned long _r8a66597)
new_td = td;
break;
}
- } while (td != new_td && td->address == new_td->address);
+ } while (td != new_td && td->address == new_td->address &&
+ td->pipe->info.epnum == new_td->pipe->info.epnum);
start_transfer(r8a66597, new_td);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 30c4ae80c8f9..e8f990642281 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -198,6 +198,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
pdev->device == 0x1042)
xhci->quirks |= XHCI_BROKEN_STREAMS;
+ if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ pdev->device == 0x1142)
+ xhci->quirks |= XHCI_TRUST_TX_LENGTH;
if (xhci->quirks & XHCI_RESET_ON_RESUME)
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 7fbe19d5279e..81b2b9f808b5 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -215,14 +215,19 @@ done:
static inline void hub_descriptor(struct usb_hub_descriptor *desc)
{
+ int width;
+
memset(desc, 0, sizeof(*desc));
desc->bDescriptorType = USB_DT_HUB;
- desc->bDescLength = 9;
desc->wHubCharacteristics = cpu_to_le16(
HUB_CHAR_INDV_PORT_LPSM | HUB_CHAR_COMMON_OCPM);
+
desc->bNbrPorts = VHCI_NPORTS;
- desc->u.hs.DeviceRemovable[0] = 0xff;
- desc->u.hs.DeviceRemovable[1] = 0xff;
+ BUILD_BUG_ON(VHCI_NPORTS > USB_MAXCHILDREN);
+ width = desc->bNbrPorts / 8 + 1;
+ desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * width;
+ memset(&desc->u.hs.DeviceRemovable[0], 0, width);
+ memset(&desc->u.hs.DeviceRemovable[width], 0xff, width);
}
static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,