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-rw-r--r--drivers/usb/cdns3/gadget.c8
-rw-r--r--drivers/usb/core/hub.c34
-rw-r--r--drivers/usb/gadget/function/f_mass_storage.c20
-rw-r--r--drivers/usb/gadget/function/f_ncm.c10
-rw-r--r--drivers/usb/gadget/udc/net2272.c2
-rw-r--r--drivers/usb/roles/class.c12
-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/option.c1
-rw-r--r--drivers/usb/serial/qcserial.c2
9 files changed, 69 insertions, 21 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index d111cf81cece..61283e7e602a 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -661,7 +661,11 @@ void cdns3_gadget_giveback(struct cdns3_endpoint *priv_ep,
return;
}
- if (request->complete) {
+ /*
+ * zlp request is appended by driver, needn't call usb_gadget_giveback_request() to notify
+ * gadget composite driver.
+ */
+ if (request->complete && request->buf != priv_dev->zlp_buf) {
spin_unlock(&priv_dev->lock);
usb_gadget_giveback_request(&priv_ep->endpoint,
request);
@@ -1951,11 +1955,11 @@ static int cdns3_gadget_ep_disable(struct usb_ep *ep)
while (!list_empty(&priv_ep->wa2_descmiss_req_list)) {
priv_req = cdns3_next_priv_request(&priv_ep->wa2_descmiss_req_list);
+ list_del_init(&priv_req->list);
kfree(priv_req->request.buf);
cdns3_gadget_ep_free_request(&priv_ep->endpoint,
&priv_req->request);
- list_del_init(&priv_req->list);
--priv_ep->wa2_counter;
}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 9a1954e9f6f1..238674fab7ce 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -44,8 +44,8 @@
#define USB_VENDOR_TEXAS_INSTRUMENTS 0x0451
#define USB_PRODUCT_TUSB8041_USB3 0x8140
#define USB_PRODUCT_TUSB8041_USB2 0x8142
-#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01
-#define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02
+#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND BIT(0)
+#define HUB_QUIRK_DISABLE_AUTOSUSPEND BIT(1)
#define USB_TP_TRANSMISSION_DELAY 40 /* ns */
#define USB_TP_TRANSMISSION_DELAY_MAX 65535 /* ns */
@@ -2365,17 +2365,25 @@ static int usb_enumerate_device_otg(struct usb_device *udev)
}
} else if (desc->bLength == sizeof
(struct usb_otg_descriptor)) {
- /* Set a_alt_hnp_support for legacy otg device */
- err = usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
- USB_REQ_SET_FEATURE, 0,
- USB_DEVICE_A_ALT_HNP_SUPPORT,
- 0, NULL, 0,
- USB_CTRL_SET_TIMEOUT);
- if (err < 0)
- dev_err(&udev->dev,
- "set a_alt_hnp_support failed: %d\n",
- err);
+ /*
+ * We are operating on a legacy OTP device
+ * These should be told that they are operating
+ * on the wrong port if we have another port that does
+ * support HNP
+ */
+ if (bus->otg_port != 0) {
+ /* Set a_alt_hnp_support for legacy otg device */
+ err = usb_control_msg(udev,
+ usb_sndctrlpipe(udev, 0),
+ USB_REQ_SET_FEATURE, 0,
+ USB_DEVICE_A_ALT_HNP_SUPPORT,
+ 0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
+ if (err < 0)
+ dev_err(&udev->dev,
+ "set a_alt_hnp_support failed: %d\n",
+ err);
+ }
}
}
#endif
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 6c8aba574e6e..9fee28a35a5e 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -574,21 +574,37 @@ static int start_transfer(struct fsg_dev *fsg, struct usb_ep *ep,
static bool start_in_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_SENDING;
- if (start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq);
+ if (rc) {
bh->state = BUF_STATE_EMPTY;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}
static bool start_out_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_RECEIVING;
- if (start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq);
+ if (rc) {
bh->state = BUF_STATE_FULL;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 2ef2464a5043..b8597d4a4864 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1349,7 +1349,15 @@ parse_ntb:
"Parsed NTB with %d frames\n", dgram_counter);
to_process -= block_len;
- if (to_process != 0) {
+
+ /*
+ * Windows NCM driver avoids USB ZLPs by adding a 1-byte
+ * zero pad as needed.
+ */
+ if (to_process == 1 &&
+ (*(unsigned char *)(ntb_ptr + block_len) == 0x00)) {
+ to_process--;
+ } else if (to_process > 0) {
ntb_ptr = (unsigned char *)(ntb_ptr + block_len);
goto parse_ntb;
}
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 5980540a8fff..de7757260d6c 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2632,7 +2632,7 @@ net2272_plat_probe(struct platform_device *pdev)
goto err_req;
}
- ret = net2272_probe_fin(dev, IRQF_TRIGGER_LOW);
+ ret = net2272_probe_fin(dev, irqflags);
if (ret)
goto err_io;
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 873d89823f5b..aa4fb7a66dce 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -20,6 +20,7 @@ struct usb_role_switch {
struct device dev;
struct mutex lock; /* device lock*/
enum usb_role role;
+ bool registered;
/* From descriptor */
struct device *usb2_port;
@@ -46,6 +47,9 @@ int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role)
if (IS_ERR_OR_NULL(sw))
return 0;
+ if (!sw->registered)
+ return -EOPNOTSUPP;
+
mutex_lock(&sw->lock);
ret = sw->set(sw->dev.parent, role);
@@ -69,7 +73,7 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
{
enum usb_role role;
- if (IS_ERR_OR_NULL(sw))
+ if (IS_ERR_OR_NULL(sw) || !sw->registered)
return USB_ROLE_NONE;
mutex_lock(&sw->lock);
@@ -319,6 +323,8 @@ usb_role_switch_register(struct device *parent,
return ERR_PTR(ret);
}
+ sw->registered = true;
+
/* TODO: Symlinks for the host port and the device controller. */
return sw;
@@ -333,8 +339,10 @@ EXPORT_SYMBOL_GPL(usb_role_switch_register);
*/
void usb_role_switch_unregister(struct usb_role_switch *sw)
{
- if (!IS_ERR_OR_NULL(sw))
+ if (!IS_ERR_OR_NULL(sw)) {
+ sw->registered = false;
device_unregister(&sw->dev);
+ }
}
EXPORT_SYMBOL_GPL(usb_role_switch_unregister);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 05d93eeffccc..1724cade102e 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -147,6 +147,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+ { USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */
{ USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
{ USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c632e143a813..406cfd5ad9f4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2269,6 +2269,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */
{ 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, 0x01a3, 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 */
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index b7ba15d0ed6c..5570c50d005d 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -184,6 +184,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
{DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */
+ {DEVICE_SWI(0x413c, 0x8217)}, /* Dell Wireless DW5826e */
+ {DEVICE_SWI(0x413c, 0x8218)}, /* Dell Wireless DW5826e QDL */
/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */