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-rw-r--r--drivers/usb/cdns3/cdns3-gadget.c20
-rw-r--r--drivers/usb/cdns3/cdnsp-mem.c3
-rw-r--r--drivers/usb/cdns3/host.c1
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c18
-rw-r--r--drivers/usb/core/config.c6
-rw-r--r--drivers/usb/core/hub.c24
-rw-r--r--drivers/usb/core/quirks.c3
-rw-r--r--drivers/usb/dwc2/gadget.c17
-rw-r--r--drivers/usb/dwc2/hcd_queue.c2
-rw-r--r--drivers/usb/dwc3/core.c8
-rw-r--r--drivers/usb/dwc3/core.h2
-rw-r--r--drivers/usb/dwc3/dwc3-qcom.c15
-rw-r--r--drivers/usb/dwc3/gadget.c39
-rw-r--r--drivers/usb/gadget/composite.c14
-rw-r--r--drivers/usb/gadget/legacy/dbgp.c15
-rw-r--r--drivers/usb/gadget/legacy/inode.c16
-rw-r--r--drivers/usb/gadget/udc/udc-xilinx.c5
-rw-r--r--drivers/usb/host/xhci-hub.c1
-rw-r--r--drivers/usb/host/xhci-ring.c22
-rw-r--r--drivers/usb/host/xhci-tegra.c41
-rw-r--r--drivers/usb/host/xhci.c26
-rw-r--r--drivers/usb/serial/option.c5
-rw-r--r--drivers/usb/serial/pl2303.c1
-rw-r--r--drivers/usb/typec/tcpm/fusb302.c6
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c4
-rw-r--r--drivers/usb/typec/tipd/core.c35
26 files changed, 222 insertions, 127 deletions
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index 1f3b4a142212..f9af7ebe003d 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -337,19 +337,6 @@ static void cdns3_ep_inc_deq(struct cdns3_endpoint *priv_ep)
cdns3_ep_inc_trb(&priv_ep->dequeue, &priv_ep->ccs, priv_ep->num_trbs);
}
-static void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
-{
- struct cdns3_endpoint *priv_ep = priv_req->priv_ep;
- int current_trb = priv_req->start_trb;
-
- while (current_trb != priv_req->end_trb) {
- cdns3_ep_inc_deq(priv_ep);
- current_trb = priv_ep->dequeue;
- }
-
- cdns3_ep_inc_deq(priv_ep);
-}
-
/**
* cdns3_allow_enable_l1 - enable/disable permits to transition to L1.
* @priv_dev: Extended gadget object
@@ -1517,10 +1504,11 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev,
trb = priv_ep->trb_pool + priv_ep->dequeue;
- /* Request was dequeued and TRB was changed to TRB_LINK. */
- if (TRB_FIELD_TO_TYPE(le32_to_cpu(trb->control)) == TRB_LINK) {
+ /* The TRB was changed as link TRB, and the request was handled at ep_dequeue */
+ while (TRB_FIELD_TO_TYPE(le32_to_cpu(trb->control)) == TRB_LINK) {
trace_cdns3_complete_trb(priv_ep, trb);
- cdns3_move_deq_to_next_trb(priv_req);
+ cdns3_ep_inc_deq(priv_ep);
+ trb = priv_ep->trb_pool + priv_ep->dequeue;
}
if (!request->stream_id) {
diff --git a/drivers/usb/cdns3/cdnsp-mem.c b/drivers/usb/cdns3/cdnsp-mem.c
index ad9aee3f1e39..97866bfb2da9 100644
--- a/drivers/usb/cdns3/cdnsp-mem.c
+++ b/drivers/usb/cdns3/cdnsp-mem.c
@@ -987,6 +987,9 @@ int cdnsp_endpoint_init(struct cdnsp_device *pdev,
/* Set up the endpoint ring. */
pep->ring = cdnsp_ring_alloc(pdev, 2, ring_type, max_packet, mem_flags);
+ if (!pep->ring)
+ return -ENOMEM;
+
pep->skip = false;
/* Fill the endpoint context */
diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c
index 84dadfa726aa..9643b905e2d8 100644
--- a/drivers/usb/cdns3/host.c
+++ b/drivers/usb/cdns3/host.c
@@ -10,6 +10,7 @@
*/
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include "core.h"
#include "drd.h"
#include "host-export.h"
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index f1d100671ee6..097142ffb184 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -420,15 +420,15 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0);
if (IS_ERR(data->phy)) {
ret = PTR_ERR(data->phy);
- if (ret == -ENODEV) {
- data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0);
- if (IS_ERR(data->phy)) {
- ret = PTR_ERR(data->phy);
- if (ret == -ENODEV)
- data->phy = NULL;
- else
- goto err_clk;
- }
+ if (ret != -ENODEV)
+ goto err_clk;
+ data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0);
+ if (IS_ERR(data->phy)) {
+ ret = PTR_ERR(data->phy);
+ if (ret == -ENODEV)
+ data->phy = NULL;
+ else
+ goto err_clk;
}
}
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 16b1fd9dc60c..48bc8a4814ac 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -406,7 +406,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
* the USB-2 spec requires such endpoints to have wMaxPacketSize = 0
* (see the end of section 5.6.3), so don't warn about them.
*/
- maxp = usb_endpoint_maxp(&endpoint->desc);
+ maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize);
if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) {
dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n",
cfgno, inum, asnum, d->bEndpointAddress);
@@ -422,9 +422,9 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
maxpacket_maxes = full_speed_maxpacket_maxes;
break;
case USB_SPEED_HIGH:
- /* Bits 12..11 are allowed only for HS periodic endpoints */
+ /* Multiple-transactions bits are allowed only for HS periodic endpoints */
if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) {
- i = maxp & (BIT(12) | BIT(11));
+ i = maxp & USB_EP_MAXP_MULT_MASK;
maxp &= ~i;
}
fallthrough;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 86658a81d284..00070a8a6507 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4700,8 +4700,6 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
if (oldspeed == USB_SPEED_LOW)
delay = HUB_LONG_RESET_TIME;
- mutex_lock(hcd->address0_mutex);
-
/* Reset the device; full speed may morph to high speed */
/* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */
retval = hub_port_reset(hub, port1, udev, delay, false);
@@ -5016,7 +5014,6 @@ fail:
hub_port_disable(hub, port1, 0);
update_devnum(udev, devnum); /* for disconnect processing */
}
- mutex_unlock(hcd->address0_mutex);
return retval;
}
@@ -5191,6 +5188,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
struct usb_port *port_dev = hub->ports[port1 - 1];
struct usb_device *udev = port_dev->child;
static int unreliable_port = -1;
+ bool retry_locked;
/* Disconnect any existing devices under this port */
if (udev) {
@@ -5246,8 +5244,11 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
unit_load = 100;
status = 0;
- for (i = 0; i < PORT_INIT_TRIES; i++) {
+ for (i = 0; i < PORT_INIT_TRIES; i++) {
+ usb_lock_port(port_dev);
+ mutex_lock(hcd->address0_mutex);
+ retry_locked = true;
/* reallocate for each attempt, since references
* to the previous one can escape in various ways
*/
@@ -5255,6 +5256,8 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
if (!udev) {
dev_err(&port_dev->dev,
"couldn't allocate usb_device\n");
+ mutex_unlock(hcd->address0_mutex);
+ usb_unlock_port(port_dev);
goto done;
}
@@ -5276,12 +5279,14 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
}
/* reset (non-USB 3.0 devices) and get descriptor */
- usb_lock_port(port_dev);
status = hub_port_init(hub, udev, port1, i);
- usb_unlock_port(port_dev);
if (status < 0)
goto loop;
+ mutex_unlock(hcd->address0_mutex);
+ usb_unlock_port(port_dev);
+ retry_locked = false;
+
if (udev->quirks & USB_QUIRK_DELAY_INIT)
msleep(2000);
@@ -5374,6 +5379,10 @@ loop:
usb_ep0_reinit(udev);
release_devnum(udev);
hub_free_dev(udev);
+ if (retry_locked) {
+ mutex_unlock(hcd->address0_mutex);
+ usb_unlock_port(port_dev);
+ }
usb_put_dev(udev);
if ((status == -ENOTCONN) || (status == -ENOTSUPP))
break;
@@ -5915,6 +5924,8 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
bos = udev->bos;
udev->bos = NULL;
+ mutex_lock(hcd->address0_mutex);
+
for (i = 0; i < PORT_INIT_TRIES; ++i) {
/* ep0 maxpacket size may change; let the HCD know about it.
@@ -5924,6 +5935,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV)
break;
}
+ mutex_unlock(hcd->address0_mutex);
if (ret < 0)
goto re_enumerate;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8239fe7129dd..019351c0b52c 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -434,6 +434,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x1532, 0x0116), .driver_info =
USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+ /* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */
+ { USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM },
+
/* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */
{ USB_DEVICE(0x17ef, 0xa012), .driver_info =
USB_QUIRK_DISCONNECT_SUSPEND },
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 4ab4a1d5062b..ab8d7dad9f56 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1198,6 +1198,8 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg,
}
ctrl |= DXEPCTL_CNAK;
} else {
+ hs_req->req.frame_number = hs_ep->target_frame;
+ hs_req->req.actual = 0;
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA);
return;
}
@@ -2857,9 +2859,12 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep)
do {
hs_req = get_ep_head(hs_ep);
- if (hs_req)
+ if (hs_req) {
+ hs_req->req.frame_number = hs_ep->target_frame;
+ hs_req->req.actual = 0;
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req,
-ENODATA);
+ }
dwc2_gadget_incr_frame_num(hs_ep);
/* Update current frame number value. */
hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg);
@@ -2912,8 +2917,11 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep)
while (dwc2_gadget_target_frame_elapsed(ep)) {
hs_req = get_ep_head(ep);
- if (hs_req)
+ if (hs_req) {
+ hs_req->req.frame_number = ep->target_frame;
+ hs_req->req.actual = 0;
dwc2_hsotg_complete_request(hsotg, ep, hs_req, -ENODATA);
+ }
dwc2_gadget_incr_frame_num(ep);
/* Update current frame number value. */
@@ -3002,8 +3010,11 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep)
while (dwc2_gadget_target_frame_elapsed(hs_ep)) {
hs_req = get_ep_head(hs_ep);
- if (hs_req)
+ if (hs_req) {
+ hs_req->req.frame_number = hs_ep->target_frame;
+ hs_req->req.actual = 0;
dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA);
+ }
dwc2_gadget_incr_frame_num(hs_ep);
/* Update current frame number value. */
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index 89a788326c56..24beff610cf2 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -59,7 +59,7 @@
#define DWC2_UNRESERVE_DELAY (msecs_to_jiffies(5))
/* If we get a NAK, wait this long before retrying */
-#define DWC2_RETRY_WAIT_DELAY (1 * 1E6L)
+#define DWC2_RETRY_WAIT_DELAY (1 * NSEC_PER_MSEC)
/**
* dwc2_periodic_channel_available() - Checks that a channel is available for a
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 643239d7d370..f4c09951b517 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1594,9 +1594,11 @@ static int dwc3_probe(struct platform_device *pdev)
dwc3_get_properties(dwc);
- ret = dma_set_mask_and_coherent(dwc->sysdev, DMA_BIT_MASK(64));
- if (ret)
- return ret;
+ if (!dwc->sysdev_is_parent) {
+ ret = dma_set_mask_and_coherent(dwc->sysdev, DMA_BIT_MASK(64));
+ if (ret)
+ return ret;
+ }
dwc->reset = devm_reset_control_array_get_optional_shared(dev);
if (IS_ERR(dwc->reset))
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 620c8d3914d7..5c491d0a19d7 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -143,7 +143,7 @@
#define DWC3_GHWPARAMS8 0xc600
#define DWC3_GUCTL3 0xc60c
#define DWC3_GFLADJ 0xc630
-#define DWC3_GHWPARAMS9 0xc680
+#define DWC3_GHWPARAMS9 0xc6e0
/* Device Registers */
#define DWC3_DCFG 0xc700
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 9abbd01028c5..3cb01cdd02c2 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -649,7 +649,6 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
struct device_node *np = pdev->dev.of_node, *dwc3_np;
struct device *dev = &pdev->dev;
- struct property *prop;
int ret;
dwc3_np = of_get_compatible_child(np, "snps,dwc3");
@@ -658,20 +657,6 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
return -ENODEV;
}
- prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL);
- if (!prop) {
- ret = -ENOMEM;
- dev_err(dev, "unable to allocate memory for property\n");
- goto node_put;
- }
-
- prop->name = "tx-fifo-resize";
- ret = of_add_property(dwc3_np, prop);
- if (ret) {
- dev_err(dev, "unable to add property\n");
- goto node_put;
- }
-
ret = of_platform_populate(np, NULL, NULL, dev);
if (ret) {
dev_err(dev, "failed to register dwc3 core - %d\n", ret);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 23de2a5a40d6..7e3db00e9759 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -310,13 +310,24 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
if (DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
int link_state;
+ /*
+ * Initiate remote wakeup if the link state is in U3 when
+ * operating in SS/SSP or L1/L2 when operating in HS/FS. If the
+ * link state is in U1/U2, no remote wakeup is needed. The Start
+ * Transfer command will initiate the link recovery.
+ */
link_state = dwc3_gadget_get_link_state(dwc);
- if (link_state == DWC3_LINK_STATE_U1 ||
- link_state == DWC3_LINK_STATE_U2 ||
- link_state == DWC3_LINK_STATE_U3) {
+ switch (link_state) {
+ case DWC3_LINK_STATE_U2:
+ if (dwc->gadget->speed >= USB_SPEED_SUPER)
+ break;
+
+ fallthrough;
+ case DWC3_LINK_STATE_U3:
ret = __dwc3_gadget_wakeup(dwc);
dev_WARN_ONCE(dwc->dev, ret, "wakeup failed --> %d\n",
ret);
+ break;
}
}
@@ -3252,6 +3263,9 @@ static bool dwc3_gadget_endpoint_trbs_complete(struct dwc3_ep *dep,
struct dwc3 *dwc = dep->dwc;
bool no_started_trb = true;
+ if (!dep->endpoint.desc)
+ return no_started_trb;
+
dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
if (dep->flags & DWC3_EP_END_TRANSFER_PENDING)
@@ -3299,6 +3313,9 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
{
int status = 0;
+ if (!dep->endpoint.desc)
+ return;
+
if (usb_endpoint_xfer_isoc(dep->endpoint.desc))
dwc3_gadget_endpoint_frame_from_event(dep, event);
@@ -3352,6 +3369,14 @@ static void dwc3_gadget_endpoint_command_complete(struct dwc3_ep *dep,
if (cmd != DWC3_DEPCMD_ENDTRANSFER)
return;
+ /*
+ * The END_TRANSFER command will cause the controller to generate a
+ * NoStream Event, and it's not due to the host DP NoStream rejection.
+ * Ignore the next NoStream event.
+ */
+ if (dep->stream_capable)
+ dep->flags |= DWC3_EP_IGNORE_NEXT_NOSTREAM;
+
dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
dwc3_gadget_ep_cleanup_cancelled_requests(dep);
@@ -3574,14 +3599,6 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
WARN_ON_ONCE(ret);
dep->resource_index = 0;
- /*
- * The END_TRANSFER command will cause the controller to generate a
- * NoStream Event, and it's not due to the host DP NoStream rejection.
- * Ignore the next NoStream event.
- */
- if (dep->stream_capable)
- dep->flags |= DWC3_EP_IGNORE_NEXT_NOSTREAM;
-
if (!interrupt)
dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
else
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 504c1cbc255d..284eea9f6e4d 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1679,6 +1679,18 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
struct usb_function *f = NULL;
u8 endp;
+ if (w_length > USB_COMP_EP0_BUFSIZ) {
+ if (ctrl->bRequestType == USB_DIR_OUT) {
+ goto done;
+ } else {
+ /* Cast away the const, we are going to overwrite on purpose. */
+ __le16 *temp = (__le16 *)&ctrl->wLength;
+
+ *temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ);
+ w_length = USB_COMP_EP0_BUFSIZ;
+ }
+ }
+
/* partial re-init of the response message; the function or the
* gadget might need to intercept e.g. a control-OUT completion
* when we delegate to it.
@@ -2209,7 +2221,7 @@ int composite_dev_prepare(struct usb_composite_driver *composite,
if (!cdev->req)
return -ENOMEM;
- cdev->req->buf = kmalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
+ cdev->req->buf = kzalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
if (!cdev->req->buf)
goto fail;
diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c
index e1d566c9918a..355bc7dab9d5 100644
--- a/drivers/usb/gadget/legacy/dbgp.c
+++ b/drivers/usb/gadget/legacy/dbgp.c
@@ -137,7 +137,7 @@ static int dbgp_enable_ep_req(struct usb_ep *ep)
goto fail_1;
}
- req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL);
+ req->buf = kzalloc(DBGP_REQ_LEN, GFP_KERNEL);
if (!req->buf) {
err = -ENOMEM;
stp = 2;
@@ -345,6 +345,19 @@ static int dbgp_setup(struct usb_gadget *gadget,
void *data = NULL;
u16 len = 0;
+ if (length > DBGP_REQ_LEN) {
+ if (ctrl->bRequestType == USB_DIR_OUT) {
+ return err;
+ } else {
+ /* Cast away the const, we are going to overwrite on purpose. */
+ __le16 *temp = (__le16 *)&ctrl->wLength;
+
+ *temp = cpu_to_le16(DBGP_REQ_LEN);
+ length = DBGP_REQ_LEN;
+ }
+ }
+
+
if (request == USB_REQ_GET_DESCRIPTOR) {
switch (value>>8) {
case USB_DT_DEVICE:
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 78be94750232..63150e3889ef 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -110,6 +110,8 @@ enum ep0_state {
/* enough for the whole queue: most events invalidate others */
#define N_EVENT 5
+#define RBUF_SIZE 256
+
struct dev_data {
spinlock_t lock;
refcount_t count;
@@ -144,7 +146,7 @@ struct dev_data {
struct dentry *dentry;
/* except this scratch i/o buffer for ep0 */
- u8 rbuf [256];
+ u8 rbuf[RBUF_SIZE];
};
static inline void get_dev (struct dev_data *data)
@@ -1331,6 +1333,18 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
u16 w_value = le16_to_cpu(ctrl->wValue);
u16 w_length = le16_to_cpu(ctrl->wLength);
+ if (w_length > RBUF_SIZE) {
+ if (ctrl->bRequestType == USB_DIR_OUT) {
+ return value;
+ } else {
+ /* Cast away the const, we are going to overwrite on purpose. */
+ __le16 *temp = (__le16 *)&ctrl->wLength;
+
+ *temp = cpu_to_le16(RBUF_SIZE);
+ w_length = RBUF_SIZE;
+ }
+ }
+
spin_lock (&dev->lock);
dev->setup_abort = 0;
if (dev->state == STATE_DEV_UNCONNECTED) {
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index f5ca670776a3..857159dd5ae0 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -2136,7 +2136,7 @@ static int xudc_probe(struct platform_device *pdev)
ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget);
if (ret)
- goto fail;
+ goto err_disable_unprepare_clk;
udc->dev = &udc->gadget.dev;
@@ -2155,6 +2155,9 @@ static int xudc_probe(struct platform_device *pdev)
udc->dma_enabled ? "with DMA" : "without DMA");
return 0;
+
+err_disable_unprepare_clk:
+ clk_disable_unprepare(udc->clk);
fail:
dev_err(&pdev->dev, "probe failed, %d\n", ret);
return ret;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index af946c42b6f0..df3522dab31b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -717,6 +717,7 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci,
continue;
retval = xhci_disable_slot(xhci, i);
+ xhci_free_virt_device(xhci, i);
if (retval)
xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n",
i, retval);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 311597bba80e..d0b6806275e0 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -366,7 +366,9 @@ static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci,
/* Must be called with xhci->lock held, releases and aquires lock back */
static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
{
- u32 temp_32;
+ struct xhci_segment *new_seg = xhci->cmd_ring->deq_seg;
+ union xhci_trb *new_deq = xhci->cmd_ring->dequeue;
+ u64 crcr;
int ret;
xhci_dbg(xhci, "Abort command ring\n");
@@ -375,13 +377,18 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags)
/*
* The control bits like command stop, abort are located in lower
- * dword of the command ring control register. Limit the write
- * to the lower dword to avoid corrupting the command ring pointer
- * in case if the command ring is stopped by the time upper dword
- * is written.
+ * dword of the command ring control register.
+ * Some controllers require all 64 bits to be written to abort the ring.
+ * Make sure the upper dword is valid, pointing to the next command,
+ * avoiding corrupting the command ring pointer in case the command ring
+ * is stopped by the time the upper dword is written.
*/
- temp_32 = readl(&xhci->op_regs->cmd_ring);
- writel(temp_32 | CMD_RING_ABORT, &xhci->op_regs->cmd_ring);
+ next_trb(xhci, NULL, &new_seg, &new_deq);
+ if (trb_is_link(new_deq))
+ next_trb(xhci, NULL, &new_seg, &new_deq);
+
+ crcr = xhci_trb_virt_to_dma(new_seg, new_deq);
+ xhci_write_64(xhci, crcr | CMD_RING_ABORT, &xhci->op_regs->cmd_ring);
/* Section 4.6.1.2 of xHCI 1.0 spec says software should also time the
* completion of the Command Abort operation. If CRR is not negated in 5
@@ -1518,7 +1525,6 @@ static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id)
if (xhci->quirks & XHCI_EP_LIMIT_QUIRK)
/* Delete default control endpoint resources */
xhci_free_device_endpoint_resources(xhci, virt_dev, true);
- xhci_free_virt_device(xhci, slot_id);
}
static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index 1bf494b649bd..c8af2cd2216d 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1400,6 +1400,7 @@ static void tegra_xusb_deinit_usb_phy(struct tegra_xusb *tegra)
static int tegra_xusb_probe(struct platform_device *pdev)
{
+ struct of_phandle_args args;
struct tegra_xusb *tegra;
struct device_node *np;
struct resource *regs;
@@ -1454,10 +1455,17 @@ static int tegra_xusb_probe(struct platform_device *pdev)
goto put_padctl;
}
- tegra->padctl_irq = of_irq_get(np, 0);
- if (tegra->padctl_irq <= 0) {
- err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
- goto put_padctl;
+ /* Older device-trees don't have padctrl interrupt */
+ err = of_irq_parse_one(np, 0, &args);
+ if (!err) {
+ tegra->padctl_irq = of_irq_get(np, 0);
+ if (tegra->padctl_irq <= 0) {
+ err = (tegra->padctl_irq == 0) ? -ENODEV : tegra->padctl_irq;
+ goto put_padctl;
+ }
+ } else {
+ dev_dbg(&pdev->dev,
+ "%pOF is missing an interrupt, disabling PM support\n", np);
}
tegra->host_clk = devm_clk_get(&pdev->dev, "xusb_host");
@@ -1696,11 +1704,15 @@ static int tegra_xusb_probe(struct platform_device *pdev)
goto remove_usb3;
}
- err = devm_request_threaded_irq(&pdev->dev, tegra->padctl_irq, NULL, tegra_xusb_padctl_irq,
- IRQF_ONESHOT, dev_name(&pdev->dev), tegra);
- if (err < 0) {
- dev_err(&pdev->dev, "failed to request padctl IRQ: %d\n", err);
- goto remove_usb3;
+ if (tegra->padctl_irq) {
+ err = devm_request_threaded_irq(&pdev->dev, tegra->padctl_irq,
+ NULL, tegra_xusb_padctl_irq,
+ IRQF_ONESHOT, dev_name(&pdev->dev),
+ tegra);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to request padctl IRQ: %d\n", err);
+ goto remove_usb3;
+ }
}
err = tegra_xusb_enable_firmware_messages(tegra);
@@ -1718,13 +1730,16 @@ static int tegra_xusb_probe(struct platform_device *pdev)
/* Enable wake for both USB 2.0 and USB 3.0 roothubs */
device_init_wakeup(&tegra->hcd->self.root_hub->dev, true);
device_init_wakeup(&xhci->shared_hcd->self.root_hub->dev, true);
- device_init_wakeup(tegra->dev, true);
pm_runtime_use_autosuspend(tegra->dev);
pm_runtime_set_autosuspend_delay(tegra->dev, 2000);
pm_runtime_mark_last_busy(tegra->dev);
pm_runtime_set_active(tegra->dev);
- pm_runtime_enable(tegra->dev);
+
+ if (tegra->padctl_irq) {
+ device_init_wakeup(tegra->dev, true);
+ pm_runtime_enable(tegra->dev);
+ }
return 0;
@@ -1772,7 +1787,9 @@ static int tegra_xusb_remove(struct platform_device *pdev)
dma_free_coherent(&pdev->dev, tegra->fw.size, tegra->fw.virt,
tegra->fw.phys);
- pm_runtime_disable(&pdev->dev);
+ if (tegra->padctl_irq)
+ pm_runtime_disable(&pdev->dev);
+
pm_runtime_put(&pdev->dev);
tegra_xusb_powergate_partitions(tegra);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 902f410874e8..f5b1bcc875de 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3934,7 +3934,6 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
struct xhci_slot_ctx *slot_ctx;
int i, ret;
-#ifndef CONFIG_USB_DEFAULT_PERSIST
/*
* We called pm_runtime_get_noresume when the device was attached.
* Decrement the counter here to allow controller to runtime suspend
@@ -3942,7 +3941,6 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
*/
if (xhci->quirks & XHCI_RESET_ON_RESUME)
pm_runtime_put_noidle(hcd->self.controller);
-#endif
ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);
/* If the host is halted due to driver unload, we still need to free the
@@ -3961,9 +3959,8 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
del_timer_sync(&virt_dev->eps[i].stop_cmd_timer);
}
virt_dev->udev = NULL;
- ret = xhci_disable_slot(xhci, udev->slot_id);
- if (ret)
- xhci_free_virt_device(xhci, udev->slot_id);
+ xhci_disable_slot(xhci, udev->slot_id);
+ xhci_free_virt_device(xhci, udev->slot_id);
}
int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
@@ -3973,7 +3970,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
u32 state;
int ret = 0;
- command = xhci_alloc_command(xhci, false, GFP_KERNEL);
+ command = xhci_alloc_command(xhci, true, GFP_KERNEL);
if (!command)
return -ENOMEM;
@@ -3998,6 +3995,15 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
}
xhci_ring_cmd_db(xhci);
spin_unlock_irqrestore(&xhci->lock, flags);
+
+ wait_for_completion(command->completion);
+
+ if (command->status != COMP_SUCCESS)
+ xhci_warn(xhci, "Unsuccessful disable slot %u command, status %d\n",
+ slot_id, command->status);
+
+ xhci_free_command(xhci, command);
+
return ret;
}
@@ -4094,23 +4100,20 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
xhci_debugfs_create_slot(xhci, slot_id);
-#ifndef CONFIG_USB_DEFAULT_PERSIST
/*
* If resetting upon resume, we can't put the controller into runtime
* suspend if there is a device attached.
*/
if (xhci->quirks & XHCI_RESET_ON_RESUME)
pm_runtime_get_noresume(hcd->self.controller);
-#endif
/* Is this a LS or FS device under a HS hub? */
/* Hub or peripherial? */
return 1;
disable_slot:
- ret = xhci_disable_slot(xhci, udev->slot_id);
- if (ret)
- xhci_free_virt_device(xhci, udev->slot_id);
+ xhci_disable_slot(xhci, udev->slot_id);
+ xhci_free_virt_device(xhci, udev->slot_id);
return 0;
}
@@ -4240,6 +4243,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
mutex_unlock(&xhci->mutex);
ret = xhci_disable_slot(xhci, udev->slot_id);
+ xhci_free_virt_device(xhci, udev->slot_id);
if (!ret)
xhci_alloc_dev(hcd, udev);
kfree(command->completion);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index a484ff5e4ebf..546fce4617a8 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1267,6 +1267,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */
.driver_info = NCTRL(0) | ZLP },
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x9200), /* Telit LE910S1 flashing device */
+ .driver_info = NCTRL(0) | ZLP },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
@@ -2094,6 +2096,9 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */
+ .driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index f45ca7ddf78e..a70fd86f735c 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -432,6 +432,7 @@ static int pl2303_detect_type(struct usb_serial *serial)
case 0x200:
switch (bcdDevice) {
case 0x100:
+ case 0x105:
case 0x305:
case 0x405:
/*
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 7a2a17866a82..72f9001b0792 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -669,25 +669,27 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc)
ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK,
FUSB_REG_MASK_BC_LVL |
FUSB_REG_MASK_COMP_CHNG,
- FUSB_REG_MASK_COMP_CHNG);
+ FUSB_REG_MASK_BC_LVL);
if (ret < 0) {
fusb302_log(chip, "cannot set SRC interrupt, ret=%d",
ret);
goto done;
}
chip->intr_comp_chng = true;
+ chip->intr_bc_lvl = false;
break;
case TYPEC_CC_RD:
ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK,
FUSB_REG_MASK_BC_LVL |
FUSB_REG_MASK_COMP_CHNG,
- FUSB_REG_MASK_BC_LVL);
+ FUSB_REG_MASK_COMP_CHNG);
if (ret < 0) {
fusb302_log(chip, "cannot set SRC interrupt, ret=%d",
ret);
goto done;
}
chip->intr_bc_lvl = true;
+ chip->intr_comp_chng = false;
break;
default:
break;
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 7f2f3ff1b391..6010b9901126 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -4110,11 +4110,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_try_src(port) ? SRC_TRY
: SNK_ATTACHED,
0);
- else
- /* Wait for VBUS, but not forever */
- tcpm_set_state(port, PORT_RESET, PD_T_PS_SOURCE_ON);
break;
-
case SRC_TRY:
port->try_src_count++;
tcpm_set_cc(port, tcpm_rp_cc(port));
diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
index fb8ef12bbe9c..6d27a5b5e3ca 100644
--- a/drivers/usb/typec/tipd/core.c
+++ b/drivers/usb/typec/tipd/core.c
@@ -653,7 +653,7 @@ static int cd321x_switch_power_state(struct tps6598x *tps, u8 target_state)
if (state == target_state)
return 0;
- ret = tps6598x_exec_cmd(tps, "SPSS", sizeof(u8), &target_state, 0, NULL);
+ ret = tps6598x_exec_cmd(tps, "SSPS", sizeof(u8), &target_state, 0, NULL);
if (ret)
return ret;
@@ -707,6 +707,7 @@ static int tps6598x_probe(struct i2c_client *client)
u32 conf;
u32 vid;
int ret;
+ u64 mask1;
tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
@@ -730,11 +731,6 @@ static int tps6598x_probe(struct i2c_client *client)
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
tps->i2c_protocol = true;
- /* Make sure the controller has application firmware running */
- ret = tps6598x_check_mode(tps);
- if (ret)
- return ret;
-
if (np && of_device_is_compatible(np, "apple,cd321x")) {
/* Switch CD321X chips to the correct system power state */
ret = cd321x_switch_power_state(tps, TPS_SYSTEM_POWER_STATE_S0);
@@ -742,24 +738,27 @@ static int tps6598x_probe(struct i2c_client *client)
return ret;
/* CD321X chips have all interrupts masked initially */
- ret = tps6598x_write64(tps, TPS_REG_INT_MASK1,
- APPLE_CD_REG_INT_POWER_STATUS_UPDATE |
- APPLE_CD_REG_INT_DATA_STATUS_UPDATE |
- APPLE_CD_REG_INT_PLUG_EVENT);
- if (ret)
- return ret;
+ mask1 = APPLE_CD_REG_INT_POWER_STATUS_UPDATE |
+ APPLE_CD_REG_INT_DATA_STATUS_UPDATE |
+ APPLE_CD_REG_INT_PLUG_EVENT;
irq_handler = cd321x_interrupt;
} else {
/* Enable power status, data status and plug event interrupts */
- ret = tps6598x_write64(tps, TPS_REG_INT_MASK1,
- TPS_REG_INT_POWER_STATUS_UPDATE |
- TPS_REG_INT_DATA_STATUS_UPDATE |
- TPS_REG_INT_PLUG_EVENT);
- if (ret)
- return ret;
+ mask1 = TPS_REG_INT_POWER_STATUS_UPDATE |
+ TPS_REG_INT_DATA_STATUS_UPDATE |
+ TPS_REG_INT_PLUG_EVENT;
}
+ /* Make sure the controller has application firmware running */
+ ret = tps6598x_check_mode(tps);
+ if (ret)
+ return ret;
+
+ ret = tps6598x_write64(tps, TPS_REG_INT_MASK1, mask1);
+ if (ret)
+ return ret;
+
ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
if (ret < 0)
return ret;