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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 20:42:46 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 20:42:46 -0700
commit2bcb132c693566bcb8208cc7ce66b72a4f852ecf (patch)
tree6fc4f05ce18140d86aa78a10380a610734aeaef9 /drivers/usb
parent67e6da702753dac8f0540209dded80a0c4e60d81 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
Merge 3.6-rc6 into usb-next
This resolves the merge problems with: drivers/usb/dwc3/gadget.c drivers/usb/musb/tusb6010.c that had been seen in linux-next. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/class/cdc-wdm.c12
-rw-r--r--drivers/usb/core/quirks.c4
-rw-r--r--drivers/usb/dwc3/core.c9
-rw-r--r--drivers/usb/dwc3/ep0.c1
-rw-r--r--drivers/usb/dwc3/gadget.c21
-rw-r--r--drivers/usb/gadget/at91_udc.c6
-rw-r--r--drivers/usb/gadget/dummy_hcd.c41
-rw-r--r--drivers/usb/gadget/f_fs.c4
-rw-r--r--drivers/usb/gadget/u_serial.c4
-rw-r--r--drivers/usb/host/ehci-q.c12
-rw-r--r--drivers/usb/host/ohci-at91.c10
-rw-r--r--drivers/usb/host/pci-quirks.c42
-rw-r--r--drivers/usb/host/pci-quirks.h1
-rw-r--r--drivers/usb/host/xhci-hub.c42
-rw-r--r--drivers/usb/host/xhci-plat.c2
-rw-r--r--drivers/usb/host/xhci.c123
-rw-r--r--drivers/usb/host/xhci.h6
-rw-r--r--drivers/usb/musb/musb_host.c2
-rw-r--r--drivers/usb/musb/musbhsdma.c2
-rw-r--r--drivers/usb/serial/ftdi_sio.c22
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h29
-rw-r--r--drivers/usb/serial/option.c6
22 files changed, 365 insertions, 36 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 65a55abb791..5f0cb417b73 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -109,12 +109,14 @@ static struct usb_driver wdm_driver;
/* return intfdata if we own the interface, else look up intf in the list */
static struct wdm_device *wdm_find_device(struct usb_interface *intf)
{
- struct wdm_device *desc = NULL;
+ struct wdm_device *desc;
spin_lock(&wdm_device_list_lock);
list_for_each_entry(desc, &wdm_device_list, device_list)
if (desc->intf == intf)
- break;
+ goto found;
+ desc = NULL;
+found:
spin_unlock(&wdm_device_list_lock);
return desc;
@@ -122,12 +124,14 @@ static struct wdm_device *wdm_find_device(struct usb_interface *intf)
static struct wdm_device *wdm_find_device_by_minor(int minor)
{
- struct wdm_device *desc = NULL;
+ struct wdm_device *desc;
spin_lock(&wdm_device_list_lock);
list_for_each_entry(desc, &wdm_device_list, device_list)
if (desc->intf->minor == minor)
- break;
+ goto found;
+ desc = NULL;
+found:
spin_unlock(&wdm_device_list_lock);
return desc;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 2dbb5154f35..fdefd9c7f7a 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -71,6 +71,10 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x04b4, 0x0526), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
+ /* Microchip Joss Optical infrared touchboard device */
+ { USB_DEVICE(0x04d8, 0x000c), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
/* Samsung Android phone modem - ID conflict with SPH-I500 */
{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index bed2c161546..b415c0c859d 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -440,16 +440,21 @@ static int __devinit dwc3_probe(struct platform_device *pdev)
dev_err(dev, "missing IRQ\n");
return -ENODEV;
}
- dwc->xhci_resources[1] = *res;
+ dwc->xhci_resources[1].start = res->start;
+ dwc->xhci_resources[1].end = res->end;
+ dwc->xhci_resources[1].flags = res->flags;
+ dwc->xhci_resources[1].name = res->name;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "missing memory resource\n");
return -ENODEV;
}
- dwc->xhci_resources[0] = *res;
+ dwc->xhci_resources[0].start = res->start;
dwc->xhci_resources[0].end = dwc->xhci_resources[0].start +
DWC3_XHCI_REGS_END;
+ dwc->xhci_resources[0].flags = res->flags;
+ dwc->xhci_resources[0].name = res->name;
/*
* Request memory region but exclude xHCI regs,
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 1bba97ba218..d7da073a23f 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -792,7 +792,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
transferred = min_t(u32, ur->length,
transfer_size - length);
memcpy(ur->buf, dwc->ep0_bounce, transferred);
- dwc->ep0_bounced = false;
} else {
transferred = ur->length - length;
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ba444e7f9c4..c9e729a4bf6 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -263,8 +263,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
if (req->request.status == -EINPROGRESS)
req->request.status = status;
- usb_gadget_unmap_request(&dwc->gadget, &req->request,
- req->direction);
+ if (dwc->ep0_bounced && dep->number == 0)
+ dwc->ep0_bounced = false;
+ else
+ usb_gadget_unmap_request(&dwc->gadget, &req->request,
+ req->direction);
dev_dbg(dwc->dev, "request %p from %s completed %d/%d ===> %d\n",
req, dep->name, req->request.actual,
@@ -1017,6 +1020,7 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc,
if (list_empty(&dep->request_list)) {
dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n",
dep->name);
+ dep->flags |= DWC3_EP_PENDING_REQUEST;
return;
}
@@ -1078,6 +1082,19 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
*
*/
if (dep->flags & DWC3_EP_PENDING_REQUEST) {
+ int ret;
+
+ /*
+ * If xfernotready is already elapsed and it is a case
+ * of isoc transfer, then issue END TRANSFER, so that
+ * you can receive xfernotready again and can have
+ * notion of current microframe.
+ */
+ if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
+ dwc3_stop_active_transfer(dwc, dep->number);
+ return 0;
+ }
+
ret = __dwc3_gadget_kick_transfer(dep, 0, true);
if (ret && ret != -EBUSY)
dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index af931282843..89d90b5fb78 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -475,8 +475,7 @@ static int at91_ep_enable(struct usb_ep *_ep,
unsigned long flags;
if (!_ep || !ep
- || !desc || ep->ep.desc
- || _ep->name == ep0name
+ || !desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| (maxpacket = usb_endpoint_maxp(desc)) == 0
|| maxpacket > ep->maxpacket) {
@@ -531,7 +530,6 @@ ok:
tmp |= AT91_UDP_EPEDS;
__raw_writel(tmp, ep->creg);
- ep->ep.desc = desc;
ep->ep.maxpacket = maxpacket;
/*
@@ -1636,7 +1634,6 @@ static int at91_start(struct usb_gadget *gadget,
udc->driver = driver;
udc->gadget.dev.driver = &driver->driver;
udc->gadget.dev.of_node = udc->pdev->dev.of_node;
- dev_set_drvdata(&udc->gadget.dev, &driver->driver);
udc->enabled = 1;
udc->selfpowered = 1;
@@ -1657,7 +1654,6 @@ static int at91_stop(struct usb_gadget *gadget,
spin_unlock_irqrestore(&udc->lock, flags);
udc->gadget.dev.driver = NULL;
- dev_set_drvdata(&udc->gadget.dev, NULL);
udc->driver = NULL;
DBG("unbound from %s\n", driver->driver.name);
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 91916f693ff..0f7541be28f 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1918,6 +1918,27 @@ done:
return retval;
}
+/* usb 3.0 root hub device descriptor */
+struct {
+ struct usb_bos_descriptor bos;
+ struct usb_ss_cap_descriptor ss_cap;
+} __packed usb3_bos_desc = {
+
+ .bos = {
+ .bLength = USB_DT_BOS_SIZE,
+ .bDescriptorType = USB_DT_BOS,
+ .wTotalLength = cpu_to_le16(sizeof(usb3_bos_desc)),
+ .bNumDeviceCaps = 1,
+ },
+ .ss_cap = {
+ .bLength = USB_DT_USB_SS_CAP_SIZE,
+ .bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+ .bDevCapabilityType = USB_SS_CAP_TYPE,
+ .wSpeedSupported = cpu_to_le16(USB_5GBPS_OPERATION),
+ .bFunctionalitySupport = ilog2(USB_5GBPS_OPERATION),
+ },
+};
+
static inline void
ss_hub_descriptor(struct usb_hub_descriptor *desc)
{
@@ -2008,6 +2029,18 @@ static int dummy_hub_control(
else
hub_descriptor((struct usb_hub_descriptor *) buf);
break;
+
+ case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
+ if (hcd->speed != HCD_USB3)
+ goto error;
+
+ if ((wValue >> 8) != USB_DT_BOS)
+ goto error;
+
+ memcpy(buf, &usb3_bos_desc, sizeof(usb3_bos_desc));
+ retval = sizeof(usb3_bos_desc);
+ break;
+
case GetHubStatus:
*(__le32 *) buf = cpu_to_le32(0);
break;
@@ -2505,10 +2538,8 @@ static int dummy_hcd_probe(struct platform_device *pdev)
hs_hcd->has_tt = 1;
retval = usb_add_hcd(hs_hcd, 0, 0);
- if (retval != 0) {
- usb_put_hcd(hs_hcd);
- return retval;
- }
+ if (retval)
+ goto put_usb2_hcd;
if (mod_data.is_super_speed) {
ss_hcd = usb_create_shared_hcd(&dummy_hcd, &pdev->dev,
@@ -2527,6 +2558,8 @@ static int dummy_hcd_probe(struct platform_device *pdev)
put_usb3_hcd:
usb_put_hcd(ss_hcd);
dealloc_usb2_hcd:
+ usb_remove_hcd(hs_hcd);
+put_usb2_hcd:
usb_put_hcd(hs_hcd);
the_controller.hs_hcd = the_controller.ss_hcd = NULL;
return retval;
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 8adc79d1b40..829aba75a6d 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -34,11 +34,15 @@
/* Debugging ****************************************************************/
#ifdef VERBOSE_DEBUG
+#ifndef pr_vdebug
# define pr_vdebug pr_debug
+#endif /* pr_vdebug */
# define ffs_dump_mem(prefix, ptr, len) \
print_hex_dump_bytes(pr_fmt(prefix ": "), DUMP_PREFIX_NONE, ptr, len)
#else
+#ifndef pr_vdebug
# define pr_vdebug(...) do { } while (0)
+#endif /* pr_vdebug */
# define ffs_dump_mem(prefix, ptr, len) do { } while (0)
#endif /* VERBOSE_DEBUG */
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index 5b3f5fffea9..da6d479ff9a 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -132,11 +132,15 @@ static unsigned n_ports;
#ifdef VERBOSE_DEBUG
+#ifndef pr_vdebug
#define pr_vdebug(fmt, arg...) \
pr_debug(fmt, ##arg)
+#endif /* pr_vdebug */
#else
+#ifndef pr_vdebig
#define pr_vdebug(fmt, arg...) \
({ if (0) pr_debug(fmt, ##arg); })
+#endif /* pr_vdebug */
#endif
/*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 9bc39ca460c..4b66374bdc8 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -128,9 +128,17 @@ qh_refresh (struct ehci_hcd *ehci, struct ehci_qh *qh)
else {
qtd = list_entry (qh->qtd_list.next,
struct ehci_qtd, qtd_list);
- /* first qtd may already be partially processed */
- if (cpu_to_hc32(ehci, qtd->qtd_dma) == qh->hw->hw_current)
+ /*
+ * first qtd may already be partially processed.
+ * If we come here during unlink, the QH overlay region
+ * might have reference to the just unlinked qtd. The
+ * qtd is updated in qh_completions(). Update the QH
+ * overlay here.
+ */
+ if (cpu_to_hc32(ehci, qtd->qtd_dma) == qh->hw->hw_current) {
+ qh->hw->hw_qtd_next = qtd->hw_next;
qtd = NULL;
+ }
}
if (qtd)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index a665b3eaa74..aaa8d2bce21 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -570,6 +570,16 @@ static int __devinit ohci_hcd_at91_drv_probe(struct platform_device *pdev)
if (pdata) {
at91_for_each_port(i) {
+ /*
+ * do not configure PIO if not in relation with
+ * real USB port on board
+ */
+ if (i >= pdata->ports) {
+ pdata->vbus_pin[i] = -EINVAL;
+ pdata->overcurrent_pin[i] = -EINVAL;
+ break;
+ }
+
if (!gpio_is_valid(pdata->vbus_pin[i]))
continue;
gpio = pdata->vbus_pin[i];
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index c5e9e4a76f1..966d1484ee7 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -75,7 +75,9 @@
#define NB_PIF0_PWRDOWN_1 0x01100013
#define USB_INTEL_XUSB2PR 0xD0
+#define USB_INTEL_USB2PRM 0xD4
#define USB_INTEL_USB3_PSSEN 0xD8
+#define USB_INTEL_USB3PRM 0xDC
static struct amd_chipset_info {
struct pci_dev *nb_dev;
@@ -772,10 +774,18 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev)
return;
}
- ports_available = 0xffffffff;
+ /* Read USB3PRM, the USB 3.0 Port Routing Mask Register
+ * Indicate the ports that can be changed from OS.
+ */
+ pci_read_config_dword(xhci_pdev, USB_INTEL_USB3PRM,
+ &ports_available);
+
+ dev_dbg(&xhci_pdev->dev, "Configurable ports to enable SuperSpeed: 0x%x\n",
+ ports_available);
+
/* Write USB3_PSSEN, the USB 3.0 Port SuperSpeed Enable
- * Register, to turn on SuperSpeed terminations for all
- * available ports.
+ * Register, to turn on SuperSpeed terminations for the
+ * switchable ports.
*/
pci_write_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN,
cpu_to_le32(ports_available));
@@ -785,7 +795,16 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev)
dev_dbg(&xhci_pdev->dev, "USB 3.0 ports that are now enabled "
"under xHCI: 0x%x\n", ports_available);
- ports_available = 0xffffffff;
+ /* Read XUSB2PRM, xHCI USB 2.0 Port Routing Mask Register
+ * Indicate the USB 2.0 ports to be controlled by the xHCI host.
+ */
+
+ pci_read_config_dword(xhci_pdev, USB_INTEL_USB2PRM,
+ &ports_available);
+
+ dev_dbg(&xhci_pdev->dev, "Configurable USB 2.0 ports to hand over to xCHI: 0x%x\n",
+ ports_available);
+
/* Write XUSB2PR, the xHC USB 2.0 Port Routing Register, to
* switch the USB 2.0 power and data lines over to the xHCI
* host.
@@ -822,12 +841,12 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
void __iomem *op_reg_base;
u32 val;
int timeout;
+ int len = pci_resource_len(pdev, 0);
if (!mmio_resource_enabled(pdev, 0))
return;
- base = ioremap_nocache(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
+ base = ioremap_nocache(pci_resource_start(pdev, 0), len);
if (base == NULL)
return;
@@ -837,9 +856,17 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
*/
ext_cap_offset = xhci_find_next_cap_offset(base, XHCI_HCC_PARAMS_OFFSET);
do {
+ if ((ext_cap_offset + sizeof(val)) > len) {
+ /* We're reading garbage from the controller */
+ dev_warn(&pdev->dev,
+ "xHCI controller failing to respond");
+ return;
+ }
+
if (!ext_cap_offset)
/* We've reached the end of the extended capabilities */
goto hc_init;
+
val = readl(base + ext_cap_offset);
if (XHCI_EXT_CAPS_ID(val) == XHCI_EXT_CAPS_LEGACY)
break;
@@ -870,9 +897,10 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
/* Disable any BIOS SMIs and clear all SMI events*/
writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
+hc_init:
if (usb_is_intel_switchable_xhci(pdev))
usb_enable_xhci_ports(pdev);
-hc_init:
+
op_reg_base = base + XHCI_HC_LENGTH(readl(base));
/* Wait for the host controller to be ready before writing any
diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h
index ef004a5de20..7f69a39163c 100644
--- a/drivers/usb/host/pci-quirks.h
+++ b/drivers/usb/host/pci-quirks.h
@@ -15,6 +15,7 @@ void usb_disable_xhci_ports(struct pci_dev *xhci_pdev);
static inline void usb_amd_quirk_pll_disable(void) {}
static inline void usb_amd_quirk_pll_enable(void) {}
static inline void usb_amd_dev_put(void) {}
+static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {}
#endif /* CONFIG_PCI */
#endif /* __LINUX_USB_PCI_QUIRKS_H */
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 5896f0588d4..aa90ad4d4fd 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -493,11 +493,48 @@ static void xhci_hub_report_link_state(u32 *status, u32 status_reg)
* when this bit is set.
*/
pls |= USB_PORT_STAT_CONNECTION;
+ } else {
+ /*
+ * If CAS bit isn't set but the Port is already at
+ * Compliance Mode, fake a connection so the USB core
+ * notices the Compliance state and resets the port.
+ * This resolves an issue generated by the SN65LVPE502CP
+ * in which sometimes the port enters compliance mode
+ * caused by a delay on the host-device negotiation.
+ */
+ if (pls == USB_SS_PORT_LS_COMP_MOD)
+ pls |= USB_PORT_STAT_CONNECTION;
}
+
/* update status field */
*status |= pls;
}
+/*
+ * Function for Compliance Mode Quirk.
+ *
+ * This Function verifies if all xhc USB3 ports have entered U0, if so,
+ * the compliance mode timer is deleted. A port won't enter
+ * compliance mode if it has previously entered U0.
+ */
+void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, u16 wIndex)
+{
+ u32 all_ports_seen_u0 = ((1 << xhci->num_usb3_ports)-1);
+ bool port_in_u0 = ((status & PORT_PLS_MASK) == XDEV_U0);
+
+ if (!(xhci->quirks & XHCI_COMP_MODE_QUIRK))
+ return;
+
+ if ((xhci->port_status_u0 != all_ports_seen_u0) && port_in_u0) {
+ xhci->port_status_u0 |= 1 << wIndex;
+ if (xhci->port_status_u0 == all_ports_seen_u0) {
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "All USB3 ports have entered U0 already!\n");
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer Deleted.\n");
+ }
+ }
+}
+
int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
u16 wIndex, char *buf, u16 wLength)
{
@@ -651,6 +688,11 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
/* Update Port Link State for super speed ports*/
if (hcd->speed == HCD_USB3) {
xhci_hub_report_link_state(&status, temp);
+ /*
+ * Verify if all USB3 Ports Have entered U0 already.
+ * Delete Compliance Mode Timer if so.
+ */
+ xhci_del_comp_mod_timer(xhci, temp, wIndex);
}
if (bus_state->port_c_suspend & (1 << wIndex))
status |= 1 << USB_PORT_FEAT_C_SUSPEND;
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 689bc18b051..df90fe51b4a 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -118,7 +118,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
goto put_hcd;
}
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
if (!hcd->regs) {
dev_dbg(&pdev->dev, "error mapping memory\n");
ret = -EFAULT;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 66bc5c3985f..a4b0ce13fa0 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -26,6 +26,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
+#include <linux/dmi.h>
#include "xhci.h"
@@ -399,6 +400,95 @@ static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
#endif
+static void compliance_mode_recovery(unsigned long arg)
+{
+ struct xhci_hcd *xhci;
+ struct usb_hcd *hcd;
+ u32 temp;
+ int i;
+
+ xhci = (struct xhci_hcd *)arg;
+
+ for (i = 0; i < xhci->num_usb3_ports; i++) {
+ temp = xhci_readl(xhci, xhci->usb3_ports[i]);
+ if ((temp & PORT_PLS_MASK) == USB_SS_PORT_LS_COMP_MOD) {
+ /*
+ * Compliance Mode Detected. Letting USB Core
+ * handle the Warm Reset
+ */
+ xhci_dbg(xhci, "Compliance Mode Detected->Port %d!\n",
+ i + 1);
+ xhci_dbg(xhci, "Attempting Recovery routine!\n");
+ hcd = xhci->shared_hcd;
+
+ if (hcd->state == HC_STATE_SUSPENDED)
+ usb_hcd_resume_root_hub(hcd);
+
+ usb_hcd_poll_rh_status(hcd);
+ }
+ }
+
+ if (xhci->port_status_u0 != ((1 << xhci->num_usb3_ports)-1))
+ mod_timer(&xhci->comp_mode_recovery_timer,
+ jiffies + msecs_to_jiffies(COMP_MODE_RCVRY_MSECS));
+}
+
+/*
+ * Quirk to work around issue generated by the SN65LVPE502CP USB3.0 re-driver
+ * that causes ports behind that hardware to enter compliance mode sometimes.
+ * The quirk creates a timer that polls every 2 seconds the link state of
+ * each host controller's port and recovers it by issuing a Warm reset
+ * if Compliance mode is detected, otherwise the port will become "dead" (no
+ * device connections or disconnections will be detected anymore). Becasue no
+ * status event is generated when entering compliance mode (per xhci spec),
+ * this quirk is needed on systems that have the failing hardware installed.
+ */
+static void compliance_mode_recovery_timer_init(struct xhci_hcd *xhci)
+{
+ xhci->port_status_u0 = 0;
+ init_timer(&xhci->comp_mode_recovery_timer);
+
+ xhci->comp_mode_recovery_timer.data = (unsigned long) xhci;
+ xhci->comp_mode_recovery_timer.function = compliance_mode_recovery;
+ xhci->comp_mode_recovery_timer.expires = jiffies +
+ msecs_to_jiffies(COMP_MODE_RCVRY_MSECS);
+
+ set_timer_slack(&xhci->comp_mode_recovery_timer,
+ msecs_to_jiffies(COMP_MODE_RCVRY_MSECS));
+ add_timer(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer Initialized.\n");
+}
+
+/*
+ * This function identifies the systems that have installed the SN65LVPE502CP
+ * USB3.0 re-driver and that need the Compliance Mode Quirk.
+ * Systems:
+ * Vendor: Hewlett-Packard -> System Models: Z420, Z620 and Z820
+ */
+static bool compliance_mode_recovery_timer_quirk_check(void)
+{
+ const char *dmi_product_name, *dmi_sys_vendor;
+
+ dmi_product_name = dmi_get_system_info(DMI_PRODUCT_NAME);
+ dmi_sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+
+ if (!(strstr(dmi_sys_vendor, "Hewlett-Packard")))
+ return false;
+
+ if (strstr(dmi_product_name, "Z420") ||
+ strstr(dmi_product_name, "Z620") ||
+ strstr(dmi_product_name, "Z820"))
+ return true;
+
+ return false;
+}
+
+static int xhci_all_ports_seen_u0(struct xhci_hcd *xhci)
+{
+ return (xhci->port_status_u0 == ((1 << xhci->num_usb3_ports)-1));
+}
+
+
/*
* Initialize memory for HCD and xHC (one-time init).
*
@@ -422,6 +512,12 @@ int xhci_init(struct usb_hcd *hcd)
retval = xhci_mem_init(xhci, GFP_KERNEL);
xhci_dbg(xhci, "Finished xhci_init\n");
+ /* Initializing Compliance Mode Recovery Data If Needed */
+ if (compliance_mode_recovery_timer_quirk_check()) {
+ xhci->quirks |= XHCI_COMP_MODE_QUIRK;
+ compliance_mode_recovery_timer_init(xhci);
+ }
+
return retval;
}
@@ -631,6 +727,11 @@ void xhci_stop(struct usb_hcd *hcd)
del_timer_sync(&xhci->event_ring_timer);
#endif
+ /* Deleting Compliance Mode Recovery Timer */
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+ (!(xhci_all_ports_seen_u0(xhci))))
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+
if (xhci->quirks & XHCI_AMD_PLL_FIX)
usb_amd_dev_put();
@@ -661,7 +762,7 @@ void xhci_shutdown(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- if (xhci->quirks && XHCI_SPURIOUS_REBOOT)
+ if (xhci->quirks & XHCI_SPURIOUS_REBOOT)
usb_disable_xhci_ports(to_pci_dev(hcd->self.controller));
spin_lock_irq(&xhci->lock);
@@ -808,6 +909,16 @@ int xhci_suspend(struct xhci_hcd *xhci)
}
spin_unlock_irq(&xhci->lock);
+ /*
+ * Deleting Compliance Mode Recovery Timer because the xHCI Host
+ * is about to be suspended.
+ */
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+ (!(xhci_all_ports_seen_u0(xhci)))) {
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer Deleted!\n");
+ }
+
/* step 5: remove core well power */
/* synchronize irq when using MSI-X */
xhci_msix_sync_irqs(xhci);
@@ -940,6 +1051,16 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
usb_hcd_resume_root_hub(hcd);
usb_hcd_resume_root_hub(xhci->shared_hcd);
}
+
+ /*
+ * If system is subject to the Quirk, Compliance Mode Timer needs to
+ * be re-initialized Always after a system resume. Ports are subject
+ * to suffer the Compliance Mode issue again. It doesn't matter if
+ * ports have entered previously to U0 before system's suspension.
+ */
+ if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+ compliance_mode_recovery_timer_init(xhci);
+
return retval;
}
#endif /* CONFIG_PM */
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index e81ccfa3552..e44e2d3c83b 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1510,6 +1510,7 @@ struct xhci_hcd {
#define XHCI_LPM_SUPPORT (1 << 11)
#define XHCI_INTEL_HOST (1 << 12)
#define XHCI_SPURIOUS_REBOOT (1 << 13)
+#define XHCI_COMP_MODE_QUIRK (1 << 14)
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */
@@ -1526,6 +1527,11 @@ struct xhci_hcd {
unsigned sw_lpm_support:1;
/* support xHCI 1.0 spec USB2 hardware LPM */
unsigned hw_lpm_support:1;
+ /* Compliance Mode Recovery Data */
+ struct timer_list comp_mode_recovery_timer;
+ u32 port_status_u0;
+/* Compliance Mode Timer Triggered every 2 seconds */
+#define COMP_MODE_RCVRY_MSECS 2000
};
/* convert between an HCD pointer and the corresponding EHCI_HCD */
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index d385e8a8187..3df6a76b851 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2177,7 +2177,7 @@ static int musb_urb_enqueue(
* we only have work to do in the former case.
*/
spin_lock_irqsave(&musb->lock, flags);
- if (hep->hcpriv) {
+ if (hep->hcpriv || !next_urb(qh)) {
/* some concurrent activity submitted another urb to hep...
* odd, rare, error prone, but legal.
*/
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 444b9ee0649..0fc6ca6bc60 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -388,7 +388,7 @@ dma_controller_create(struct musb *musb, void __iomem *base)
struct platform_device *pdev = to_platform_device(dev);
int irq = platform_get_irq_byname(pdev, "dma");
- if (irq == 0) {
+ if (irq <= 0) {
dev_err(dev, "No DMA interrupt line!\n");
return NULL;
}
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 6d77d2cb938..dcc05fdb01b 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -703,6 +703,7 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) },
{ USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
{ USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
{ USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
@@ -803,13 +804,32 @@ static struct usb_device_id id_table_combined [] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
+ USB_CLASS_VENDOR_SPEC,
+ USB_SUBCLASS_VENDOR_SPEC, 0x00) },
{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
{ USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
+ { USB_DEVICE(FTDI_VID, PI_C865_PID) },
+ { USB_DEVICE(FTDI_VID, PI_C857_PID) },
+ { USB_DEVICE(PI_VID, PI_C866_PID) },
+ { USB_DEVICE(PI_VID, PI_C663_PID) },
+ { USB_DEVICE(PI_VID, PI_C725_PID) },
+ { USB_DEVICE(PI_VID, PI_E517_PID) },
+ { USB_DEVICE(PI_VID, PI_C863_PID) },
{ USB_DEVICE(PI_VID, PI_E861_PID) },
+ { USB_DEVICE(PI_VID, PI_C867_PID) },
+ { USB_DEVICE(PI_VID, PI_E609_PID) },
+ { USB_DEVICE(PI_VID, PI_E709_PID) },
+ { USB_DEVICE(PI_VID, PI_100F_PID) },
+ { USB_DEVICE(PI_VID, PI_1011_PID) },
+ { USB_DEVICE(PI_VID, PI_1012_PID) },
+ { USB_DEVICE(PI_VID, PI_1013_PID) },
+ { USB_DEVICE(PI_VID, PI_1014_PID) },
+ { USB_DEVICE(PI_VID, PI_1015_PID) },
+ { USB_DEVICE(PI_VID, PI_1016_PID) },
{ USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) },
{ USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 5dd96ca6c38..41fe5826100 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -75,6 +75,9 @@
#define FTDI_OPENDCC_GATEWAY_PID 0xBFDB
#define FTDI_OPENDCC_GBM_PID 0xBFDC
+/* NZR SEM 16+ USB (http://www.nzr.de) */
+#define FTDI_NZR_SEM_USB_PID 0xC1E0 /* NZR SEM-LOG16+ */
+
/*
* RR-CirKits LocoBuffer USB (http://www.rr-cirkits.com)
*/
@@ -539,7 +542,10 @@
/*
* Microchip Technology, Inc.
*
- * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are also used by:
+ * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are
+ * used by single function CDC ACM class based firmware demo
+ * applications. The VID/PID has also been used in firmware
+ * emulating FTDI serial chips by:
* Hornby Elite - Digital Command Control Console
* http://www.hornby.com/hornby-dcc/controllers/
*/
@@ -791,8 +797,27 @@
* Physik Instrumente
* http://www.physikinstrumente.com/en/products/
*/
+/* These two devices use the VID of FTDI */
+#define PI_C865_PID 0xe0a0 /* PI C-865 Piezomotor Controller */
+#define PI_C857_PID 0xe0a1 /* PI Encoder Trigger Box */
+
#define PI_VID 0x1a72 /* Vendor ID */
-#define PI_E861_PID 0x1008 /* E-861 piezo controller USB connection */
+#define PI_C866_PID 0x1000 /* PI C-866 Piezomotor Controller */
+#define PI_C663_PID 0x1001 /* PI C-663 Mercury-Step */
+#define PI_C725_PID 0x1002 /* PI C-725 Piezomotor Controller */
+#define PI_E517_PID 0x1005 /* PI E-517 Digital Piezo Controller Operation Module */
+#define PI_C863_PID 0x1007 /* PI C-863 */
+#define PI_E861_PID 0x1008 /* PI E-861 Piezomotor Controller */
+#define PI_C867_PID 0x1009 /* PI C-867 Piezomotor Controller */
+#define PI_E609_PID 0x100D /* PI E-609 Digital Piezo Controller */
+#define PI_E709_PID 0x100E /* PI E-709 Digital Piezo Controller */
+#define PI_100F_PID 0x100F /* PI Digital Piezo Controller */
+#define PI_1011_PID 0x1011 /* PI Digital Piezo Controller */
+#define PI_1012_PID 0x1012 /* PI Motion Controller */
+#define PI_1013_PID 0x1013 /* PI Motion Controller */
+#define PI_1014_PID 0x1014 /* PI Device */
+#define PI_1015_PID 0x1015 /* PI Device */
+#define PI_1016_PID 0x1016 /* PI Digital Servo Module */
/*
* Kondo Kagaku Co.Ltd.
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 3229368eaab..53bd5f491c5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -886,8 +886,6 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1018, 0xff, 0xff, 0xff),
- .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1057, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1058, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1059, 0xff, 0xff, 0xff) },
@@ -1092,6 +1090,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist },
+ { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) },
+ { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) },
+ { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) },
+
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */