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-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c142
-rw-r--r--drivers/usb/chipidea/debug.c2
-rw-r--r--drivers/usb/chipidea/udc.c17
-rw-r--r--drivers/usb/chipidea/usbmisc_imx.c10
-rw-r--r--drivers/usb/class/cdc-acm.c5
-rw-r--r--drivers/usb/class/usblp.c2
-rw-r--r--drivers/usb/core/Kconfig3
-rw-r--r--drivers/usb/core/config.c3
-rw-r--r--drivers/usb/core/devices.c26
-rw-r--r--drivers/usb/core/devio.c26
-rw-r--r--drivers/usb/core/hub.c44
-rw-r--r--drivers/usb/core/port.c4
-rw-r--r--drivers/usb/core/quirks.c9
-rw-r--r--drivers/usb/dwc2/hcd.c9
-rw-r--r--drivers/usb/dwc2/platform.c84
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c4
-rw-r--r--drivers/usb/dwc3/gadget.c25
-rw-r--r--drivers/usb/gadget/function/f_fs.c6
-rw-r--r--drivers/usb/gadget/function/f_loopback.c2
-rw-r--r--drivers/usb/gadget/function/f_midi.c3
-rw-r--r--drivers/usb/gadget/function/uvc_configfs.c2
-rw-r--r--drivers/usb/gadget/function/uvc_queue.c4
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c2
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c3
-rw-r--r--drivers/usb/host/ohci-at91.c11
-rw-r--r--drivers/usb/host/uhci-debug.c23
-rw-r--r--drivers/usb/host/whci/qset.c4
-rw-r--r--drivers/usb/host/xhci-hub.c62
-rw-r--r--drivers/usb/host/xhci-pci.c8
-rw-r--r--drivers/usb/host/xhci-ring.c35
-rw-r--r--drivers/usb/host/xhci.c18
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb.c16
-rw-r--r--drivers/usb/musb/Kconfig2
-rw-r--r--drivers/usb/musb/musb_core.c20
-rw-r--r--drivers/usb/musb/musb_host.c22
-rw-r--r--drivers/usb/phy/Kconfig4
-rw-r--r--drivers/usb/phy/phy-msm-usb.c6
-rw-r--r--drivers/usb/phy/phy-mxs-usb.c12
-rw-r--r--drivers/usb/phy/phy-omap-otg.c2
-rw-r--r--drivers/usb/renesas_usbhs/mod_gadget.c11
-rw-r--r--drivers/usb/serial/cp210x.c1
-rw-r--r--drivers/usb/serial/ipaq.c3
-rw-r--r--drivers/usb/serial/option.c11
-rw-r--r--drivers/usb/serial/qcserial.c94
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c2
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.h4
-rw-r--r--drivers/usb/serial/usb-serial-simple.c1
-rw-r--r--drivers/usb/storage/uas.c4
-rw-r--r--drivers/usb/storage/unusual_devs.h2
-rw-r--r--drivers/usb/storage/unusual_uas.h2
50 files changed, 551 insertions, 266 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 6ccbf60cdd5c..5a048b7b92e8 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -84,6 +84,12 @@ struct ci_hdrc_imx_data {
struct imx_usbmisc_data *usbmisc_data;
bool supports_runtime_pm;
bool in_lpm;
+ /* SoC before i.mx6 (except imx23/imx28) needs three clks */
+ bool need_three_clks;
+ struct clk *clk_ipg;
+ struct clk *clk_ahb;
+ struct clk *clk_per;
+ /* --------------------------------- */
};
/* Common functions shared by usbmisc drivers */
@@ -135,6 +141,102 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
}
/* End of common functions shared by usbmisc drivers*/
+static int imx_get_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret = 0;
+
+ data->clk_ipg = devm_clk_get(dev, "ipg");
+ if (IS_ERR(data->clk_ipg)) {
+ /* If the platform only needs one clocks */
+ data->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(data->clk)) {
+ ret = PTR_ERR(data->clk);
+ dev_err(dev,
+ "Failed to get clks, err=%ld,%ld\n",
+ PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
+ return ret;
+ }
+ return ret;
+ }
+
+ data->clk_ahb = devm_clk_get(dev, "ahb");
+ if (IS_ERR(data->clk_ahb)) {
+ ret = PTR_ERR(data->clk_ahb);
+ dev_err(dev,
+ "Failed to get ahb clock, err=%d\n", ret);
+ return ret;
+ }
+
+ data->clk_per = devm_clk_get(dev, "per");
+ if (IS_ERR(data->clk_per)) {
+ ret = PTR_ERR(data->clk_per);
+ dev_err(dev,
+ "Failed to get per clock, err=%d\n", ret);
+ return ret;
+ }
+
+ data->need_three_clks = true;
+ return ret;
+}
+
+static int imx_prepare_enable_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (data->need_three_clks) {
+ ret = clk_prepare_enable(data->clk_ipg);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable ipg clk, err=%d\n",
+ ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(data->clk_ahb);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable ahb clk, err=%d\n",
+ ret);
+ clk_disable_unprepare(data->clk_ipg);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(data->clk_per);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable per clk, err=%d\n",
+ ret);
+ clk_disable_unprepare(data->clk_ahb);
+ clk_disable_unprepare(data->clk_ipg);
+ return ret;
+ }
+ } else {
+ ret = clk_prepare_enable(data->clk);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable clk, err=%d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static void imx_disable_unprepare_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+
+ if (data->need_three_clks) {
+ clk_disable_unprepare(data->clk_per);
+ clk_disable_unprepare(data->clk_ahb);
+ clk_disable_unprepare(data->clk_ipg);
+ } else {
+ clk_disable_unprepare(data->clk);
+ }
+}
static int ci_hdrc_imx_probe(struct platform_device *pdev)
{
@@ -145,31 +247,31 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
.flags = CI_HDRC_SET_NON_ZERO_TTHA,
};
int ret;
- const struct of_device_id *of_id =
- of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev);
- const struct ci_hdrc_imx_platform_flag *imx_platform_flag = of_id->data;
+ const struct of_device_id *of_id;
+ const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
+
+ of_id = of_match_device(ci_hdrc_imx_dt_ids, &pdev->dev);
+ if (!of_id)
+ return -ENODEV;
+
+ imx_platform_flag = of_id->data;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
+ platform_set_drvdata(pdev, data);
data->usbmisc_data = usbmisc_get_init_data(&pdev->dev);
if (IS_ERR(data->usbmisc_data))
return PTR_ERR(data->usbmisc_data);
- data->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(data->clk)) {
- dev_err(&pdev->dev,
- "Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
- return PTR_ERR(data->clk);
- }
+ ret = imx_get_clks(&pdev->dev);
+ if (ret)
+ return ret;
- ret = clk_prepare_enable(data->clk);
- if (ret) {
- dev_err(&pdev->dev,
- "Failed to prepare or enable clock, err=%d\n", ret);
+ ret = imx_prepare_enable_clks(&pdev->dev);
+ if (ret)
return ret;
- }
data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
if (IS_ERR(data->phy)) {
@@ -212,8 +314,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
goto disable_device;
}
- platform_set_drvdata(pdev, data);
-
if (data->supports_runtime_pm) {
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
@@ -226,7 +326,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
disable_device:
ci_hdrc_remove_device(data->ci_pdev);
err_clk:
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(&pdev->dev);
return ret;
}
@@ -240,7 +340,7 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
pm_runtime_put_noidle(&pdev->dev);
}
ci_hdrc_remove_device(data->ci_pdev);
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(&pdev->dev);
return 0;
}
@@ -252,7 +352,7 @@ static int imx_controller_suspend(struct device *dev)
dev_dbg(dev, "at %s\n", __func__);
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(dev);
data->in_lpm = true;
return 0;
@@ -270,7 +370,7 @@ static int imx_controller_resume(struct device *dev)
return 0;
}
- ret = clk_prepare_enable(data->clk);
+ ret = imx_prepare_enable_clks(dev);
if (ret)
return ret;
@@ -285,7 +385,7 @@ static int imx_controller_resume(struct device *dev)
return 0;
clk_disable:
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(dev);
return ret;
}
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 080b7be3daf0..58c8485a0715 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -322,8 +322,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf,
return -EINVAL;
pm_runtime_get_sync(ci->dev);
+ disable_irq(ci->irq);
ci_role_stop(ci);
ret = ci_role_start(ci, role);
+ enable_irq(ci->irq);
pm_runtime_put_sync(ci->dev);
return ret ? ret : count;
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 8223fe73ea85..391a1225b0ba 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1751,6 +1751,22 @@ static int ci_udc_start(struct usb_gadget *gadget,
return retval;
}
+static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci)
+{
+ if (!ci_otg_is_fsm_mode(ci))
+ return;
+
+ mutex_lock(&ci->fsm.lock);
+ if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) {
+ ci->fsm.a_bidl_adis_tmout = 1;
+ ci_hdrc_otg_fsm_start(ci);
+ } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) {
+ ci->fsm.protocol = PROTO_UNDEF;
+ ci->fsm.otg->state = OTG_STATE_UNDEFINED;
+ }
+ mutex_unlock(&ci->fsm.lock);
+}
+
/**
* ci_udc_stop: unregister a gadget driver
*/
@@ -1775,6 +1791,7 @@ static int ci_udc_stop(struct usb_gadget *gadget)
ci->driver = NULL;
spin_unlock_irqrestore(&ci->lock, flags);
+ ci_udc_stop_for_otg_fsm(ci);
return 0;
}
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index fcea4eb36eee..ab8b027e8cc8 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -500,7 +500,11 @@ static int usbmisc_imx_probe(struct platform_device *pdev)
{
struct resource *res;
struct imx_usbmisc *data;
- struct of_device_id *tmp_dev;
+ const struct of_device_id *of_id;
+
+ of_id = of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
+ if (!of_id)
+ return -ENODEV;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
@@ -513,9 +517,7 @@ static int usbmisc_imx_probe(struct platform_device *pdev)
if (IS_ERR(data->base))
return PTR_ERR(data->base);
- tmp_dev = (struct of_device_id *)
- of_match_device(usbmisc_imx_dt_ids, &pdev->dev);
- data->ops = (const struct usbmisc_ops *)tmp_dev->data;
+ data->ops = (const struct usbmisc_ops *)of_id->data;
platform_set_drvdata(pdev, data);
return 0;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index b30e7423549b..26ca4f910cb0 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1838,6 +1838,11 @@ static const struct usb_device_id acm_ids[] = {
},
#endif
+ /* Exclude Infineon Flash Loader utility */
+ { USB_DEVICE(0x058b, 0x0041),
+ .driver_info = IGNORE_DEVICE,
+ },
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 433bbc34a8a4..071964c7847f 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -884,11 +884,11 @@ static int usblp_wwait(struct usblp *usblp, int nonblock)
add_wait_queue(&usblp->wwait, &waita);
for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
if (mutex_lock_interruptible(&usblp->mut)) {
rc = -EINTR;
break;
}
+ set_current_state(TASK_INTERRUPTIBLE);
rc = usblp_wtest(usblp, nonblock);
mutex_unlock(&usblp->mut);
if (rc <= 0)
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index a99c89e78126..dd280108758f 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -77,8 +77,7 @@ config USB_OTG_BLACKLIST_HUB
config USB_OTG_FSM
tristate "USB 2.0 OTG FSM implementation"
- depends on USB
- select USB_OTG
+ depends on USB && USB_OTG
select USB_PHY
help
Implements OTG Finite State Machine as specified in On-The-Go
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 7caff020106e..5050760f5e17 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -115,7 +115,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
USB_SS_MULT(desc->bmAttributes) > 3) {
dev_warn(ddev, "Isoc endpoint has Mult of %d in "
"config %d interface %d altsetting %d ep %d: "
- "setting to 3\n", desc->bmAttributes + 1,
+ "setting to 3\n",
+ USB_SS_MULT(desc->bmAttributes),
cfgno, inum, asnum, ep->desc.bEndpointAddress);
ep->ss_ep_comp.bmAttributes = 2;
}
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 2a3bbdf7eb94..cffa0a0d7de2 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -661,32 +661,8 @@ static unsigned int usb_device_poll(struct file *file,
return 0;
}
-static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
-{
- loff_t ret;
-
- mutex_lock(&file_inode(file)->i_mutex);
-
- switch (orig) {
- case 0:
- file->f_pos = offset;
- ret = file->f_pos;
- break;
- case 1:
- file->f_pos += offset;
- ret = file->f_pos;
- break;
- case 2:
- default:
- ret = -EINVAL;
- }
-
- mutex_unlock(&file_inode(file)->i_mutex);
- return ret;
-}
-
const struct file_operations usbfs_devices_fops = {
- .llseek = usb_device_lseek,
+ .llseek = no_seek_end_llseek,
.read = usb_device_read,
.poll = usb_device_poll,
};
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 38ae877c46e3..dbc3e143453a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -157,30 +157,6 @@ static int connected(struct usb_dev_state *ps)
ps->dev->state != USB_STATE_NOTATTACHED);
}
-static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
-{
- loff_t ret;
-
- mutex_lock(&file_inode(file)->i_mutex);
-
- switch (orig) {
- case 0:
- file->f_pos = offset;
- ret = file->f_pos;
- break;
- case 1:
- file->f_pos += offset;
- ret = file->f_pos;
- break;
- case 2:
- default:
- ret = -EINVAL;
- }
-
- mutex_unlock(&file_inode(file)->i_mutex);
- return ret;
-}
-
static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes,
loff_t *ppos)
{
@@ -2366,7 +2342,7 @@ static unsigned int usbdev_poll(struct file *file,
const struct file_operations usbdev_file_operations = {
.owner = THIS_MODULE,
- .llseek = usbdev_lseek,
+ .llseek = no_seek_end_llseek,
.read = usbdev_read,
.poll = usbdev_poll,
.unlocked_ioctl = usbdev_ioctl,
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index bdeadc112d29..ddbf32d599cb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -124,6 +124,10 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev)
int usb_device_supports_lpm(struct usb_device *udev)
{
+ /* Some devices have trouble with LPM */
+ if (udev->quirks & USB_QUIRK_NO_LPM)
+ return 0;
+
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
@@ -1031,10 +1035,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
unsigned delay;
/* Continue a partial initialization */
- if (type == HUB_INIT2)
- goto init2;
- if (type == HUB_INIT3)
+ if (type == HUB_INIT2 || type == HUB_INIT3) {
+ device_lock(hub->intfdev);
+
+ /* Was the hub disconnected while we were waiting? */
+ if (hub->disconnected) {
+ device_unlock(hub->intfdev);
+ kref_put(&hub->kref, hub_release);
+ return;
+ }
+ if (type == HUB_INIT2)
+ goto init2;
goto init3;
+ }
+ kref_get(&hub->kref);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1232,6 +1246,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
queue_delayed_work(system_power_efficient_wq,
&hub->init_work,
msecs_to_jiffies(delay));
+ device_unlock(hub->intfdev);
return; /* Continues at init3: below */
} else {
msleep(delay);
@@ -1253,6 +1268,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Allow autosuspend if it was suppressed */
if (type <= HUB_INIT3)
usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+
+ if (type == HUB_INIT2 || type == HUB_INIT3)
+ device_unlock(hub->intfdev);
+
+ kref_put(&hub->kref, hub_release);
}
/* Implement the continuations for the delays above */
@@ -4512,6 +4532,8 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1,
goto fail;
}
+ usb_detect_quirks(udev);
+
if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) {
retval = usb_get_bos_descriptor(udev);
if (!retval) {
@@ -4710,7 +4732,6 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus,
if (status < 0)
goto loop;
- usb_detect_quirks(udev);
if (udev->quirks & USB_QUIRK_DELAY_INIT)
msleep(1000);
@@ -5326,9 +5347,6 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
if (udev->usb2_hw_lpm_enabled == 1)
usb_set_usb2_hardware_lpm(udev, 0);
- bos = udev->bos;
- udev->bos = NULL;
-
/* Disable LPM and LTM while we reset the device and reinstall the alt
* settings. Device-initiated LPM settings, and system exit latency
* settings are cleared when the device is reset, so we have to set
@@ -5337,15 +5355,18 @@ static int usb_reset_and_verify_device(struct usb_device *udev)
ret = usb_unlocked_disable_lpm(udev);
if (ret) {
dev_err(&udev->dev, "%s Failed to disable LPM\n.", __func__);
- goto re_enumerate;
+ goto re_enumerate_no_bos;
}
ret = usb_disable_ltm(udev);
if (ret) {
dev_err(&udev->dev, "%s Failed to disable LTM\n.",
__func__);
- goto re_enumerate;
+ goto re_enumerate_no_bos;
}
+ bos = udev->bos;
+ udev->bos = NULL;
+
for (i = 0; i < SET_CONFIG_TRIES; ++i) {
/* ep0 maxpacket size may change; let the HCD know about it.
@@ -5442,10 +5463,11 @@ done:
return 0;
re_enumerate:
- /* LPM state doesn't matter when we're about to destroy the device. */
- hub_port_logical_disconnect(parent_hub, port1);
usb_release_bos_descriptor(udev);
udev->bos = bos;
+re_enumerate_no_bos:
+ /* LPM state doesn't matter when we're about to destroy the device. */
+ hub_port_logical_disconnect(parent_hub, port1);
return -ENODEV;
}
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 210618319f10..5487fe308f01 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -206,7 +206,7 @@ static int link_peers(struct usb_port *left, struct usb_port *right)
else
method = "default";
- pr_warn("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n",
+ pr_debug("usb: failed to peer %s and %s by %s (%s:%s) (%s:%s)\n",
dev_name(&left->dev), dev_name(&right->dev), method,
dev_name(&left->dev),
lpeer ? dev_name(&lpeer->dev) : "none",
@@ -265,7 +265,7 @@ static void link_peers_report(struct usb_port *left, struct usb_port *right)
if (rc == 0) {
dev_dbg(&left->dev, "peered to %s\n", dev_name(&right->dev));
} else {
- dev_warn(&left->dev, "failed to peer to %s (%d)\n",
+ dev_dbg(&left->dev, "failed to peer to %s (%d)\n",
dev_name(&right->dev), rc);
pr_warn_once("usb: port power management may be unreliable\n");
usb_port_block_power_off = 1;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index f5a381945db2..6dc810bce295 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -125,6 +125,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
USB_QUIRK_DEVICE_QUALIFIER },
+ { USB_DEVICE(0x04f3, 0x21b8), .driver_info =
+ USB_QUIRK_DEVICE_QUALIFIER },
+
/* Roland SC-8820 */
{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
@@ -199,6 +202,12 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+ /* Blackmagic Design Intensity Shuttle */
+ { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
+
+ /* Blackmagic Design UltraStudio SDI */
+ { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
+
{ } /* terminating entry must be last */
};
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index e79baf73c234..571c21727ff9 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -324,12 +324,13 @@ void dwc2_hcd_disconnect(struct dwc2_hsotg *hsotg)
*/
static void dwc2_hcd_rem_wakeup(struct dwc2_hsotg *hsotg)
{
- if (hsotg->lx_state == DWC2_L2) {
+ if (hsotg->bus_suspended) {
hsotg->flags.b.port_suspend_change = 1;
usb_hcd_resume_root_hub(hsotg->priv);
- } else {
- hsotg->flags.b.port_l1_change = 1;
}
+
+ if (hsotg->lx_state == DWC2_L1)
+ hsotg->flags.b.port_l1_change = 1;
}
/**
@@ -1428,8 +1429,8 @@ static void dwc2_wakeup_detected(unsigned long data)
dev_dbg(hsotg->dev, "Clear Resume: HPRT0=%0x\n",
dwc2_readl(hsotg->regs + HPRT0));
- hsotg->bus_suspended = 0;
dwc2_hcd_rem_wakeup(hsotg);
+ hsotg->bus_suspended = 0;
/* Change to L0 state */
hsotg->lx_state = DWC2_L0;
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 5859b0fa19ee..39c1cbf0e75d 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -108,7 +108,8 @@ static const struct dwc2_core_params params_rk3066 = {
.host_ls_low_power_phy_clk = -1,
.ts_dline = -1,
.reload_ctl = -1,
- .ahbcfg = 0x7, /* INCR16 */
+ .ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
+ GAHBCFG_HBSTLEN_SHIFT,
.uframe_sched = -1,
.external_id_pin_ctl = -1,
.hibernation = -1,
@@ -124,9 +125,11 @@ static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg)
if (ret)
return ret;
- ret = clk_prepare_enable(hsotg->clk);
- if (ret)
- return ret;
+ if (hsotg->clk) {
+ ret = clk_prepare_enable(hsotg->clk);
+ if (ret)
+ return ret;
+ }
if (hsotg->uphy)
ret = usb_phy_init(hsotg->uphy);
@@ -174,7 +177,8 @@ static int __dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg)
if (ret)
return ret;
- clk_disable_unprepare(hsotg->clk);
+ if (hsotg->clk)
+ clk_disable_unprepare(hsotg->clk);
ret = regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies),
hsotg->supplies);
@@ -211,14 +215,41 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg)
*/
hsotg->phy = devm_phy_get(hsotg->dev, "usb2-phy");
if (IS_ERR(hsotg->phy)) {
- hsotg->phy = NULL;
+ ret = PTR_ERR(hsotg->phy);
+ switch (ret) {
+ case -ENODEV:
+ case -ENOSYS:
+ hsotg->phy = NULL;
+ break;
+ case -EPROBE_DEFER:
+ return ret;
+ default:
+ dev_err(hsotg->dev, "error getting phy %d\n", ret);
+ return ret;
+ }
+ }
+
+ if (!hsotg->phy) {
hsotg->uphy = devm_usb_get_phy(hsotg->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR(hsotg->uphy))
- hsotg->uphy = NULL;
- else
- hsotg->plat = dev_get_platdata(hsotg->dev);
+ if (IS_ERR(hsotg->uphy)) {
+ ret = PTR_ERR(hsotg->uphy);
+ switch (ret) {
+ case -ENODEV:
+ case -ENXIO:
+ hsotg->uphy = NULL;
+ break;
+ case -EPROBE_DEFER:
+ return ret;
+ default:
+ dev_err(hsotg->dev, "error getting usb phy %d\n",
+ ret);
+ return ret;
+ }
+ }
}
+ hsotg->plat = dev_get_platdata(hsotg->dev);
+
if (hsotg->phy) {
/*
* If using the generic PHY framework, check if the PHY bus
@@ -228,11 +259,6 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg)
hsotg->phyif = GUSBCFG_PHYIF8;
}
- if (!hsotg->phy && !hsotg->uphy && !hsotg->plat) {
- dev_err(hsotg->dev, "no platform data or transceiver defined\n");
- return -EPROBE_DEFER;
- }
-
/* Clock */
hsotg->clk = devm_clk_get(hsotg->dev, "otg");
if (IS_ERR(hsotg->clk)) {
@@ -341,20 +367,6 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (retval)
return retval;
- irq = platform_get_irq(dev, 0);
- if (irq < 0) {
- dev_err(&dev->dev, "missing IRQ resource\n");
- return irq;
- }
-
- dev_dbg(hsotg->dev, "registering common handler for irq%d\n",
- irq);
- retval = devm_request_irq(hsotg->dev, irq,
- dwc2_handle_common_intr, IRQF_SHARED,
- dev_name(hsotg->dev), hsotg);
- if (retval)
- return retval;
-
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
hsotg->regs = devm_ioremap_resource(&dev->dev, res);
if (IS_ERR(hsotg->regs))
@@ -389,6 +401,20 @@ static int dwc2_driver_probe(struct platform_device *dev)
dwc2_set_all_params(hsotg->core_params, -1);
+ irq = platform_get_irq(dev, 0);
+ if (irq < 0) {
+ dev_err(&dev->dev, "missing IRQ resource\n");
+ return irq;
+ }
+
+ dev_dbg(hsotg->dev, "registering common handler for irq%d\n",
+ irq);
+ retval = devm_request_irq(hsotg->dev, irq,
+ dwc2_handle_common_intr, IRQF_SHARED,
+ dev_name(hsotg->dev), hsotg);
+ if (retval)
+ return retval;
+
retval = dwc2_lowlevel_hw_enable(hsotg);
if (retval)
return retval;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 77a622cb48ab..009d83048c8c 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -34,6 +34,8 @@
#define PCI_DEVICE_ID_INTEL_BSW 0x22b7
#define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30
#define PCI_DEVICE_ID_INTEL_SPTH 0xa130
+#define PCI_DEVICE_ID_INTEL_BXT 0x0aaa
+#define PCI_DEVICE_ID_INTEL_APL 0x5aaa
static const struct acpi_gpio_params reset_gpios = { 0, 0, false };
static const struct acpi_gpio_params cs_gpios = { 1, 0, false };
@@ -210,6 +212,8 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
{ } /* Terminating Entry */
};
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 55ba447fdf8b..a58376fd65fe 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1078,6 +1078,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
* little bit faster.
*/
if (!usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
+ !usb_endpoint_xfer_int(dep->endpoint.desc) &&
!(dep->flags & DWC3_EP_BUSY)) {
ret = __dwc3_gadget_kick_transfer(dep, 0, true);
goto out;
@@ -2744,12 +2745,34 @@ int dwc3_gadget_init(struct dwc3 *dwc)
}
dwc->gadget.ops = &dwc3_gadget_ops;
- dwc->gadget.max_speed = USB_SPEED_SUPER;
dwc->gadget.speed = USB_SPEED_UNKNOWN;
dwc->gadget.sg_supported = true;
dwc->gadget.name = "dwc3-gadget";
/*
+ * FIXME We might be setting max_speed to <SUPER, however versions
+ * <2.20a of dwc3 have an issue with metastability (documented
+ * elsewhere in this driver) which tells us we can't set max speed to
+ * anything lower than SUPER.
+ *
+ * Because gadget.max_speed is only used by composite.c and function
+ * drivers (i.e. it won't go into dwc3's registers) we are allowing this
+ * to happen so we avoid sending SuperSpeed Capability descriptor
+ * together with our BOS descriptor as that could confuse host into
+ * thinking we can handle super speed.
+ *
+ * Note that, in fact, we won't even support GetBOS requests when speed
+ * is less than super speed because we don't have means, yet, to tell
+ * composite.c that we are USB 2.0 + LPM ECN.
+ */
+ if (dwc->revision < DWC3_REVISION_220A)
+ dwc3_trace(trace_dwc3_gadget,
+ "Changing max_speed on rev %08x\n",
+ dwc->revision);
+
+ dwc->gadget.max_speed = dwc->maximum_speed;
+
+ /*
* Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
* on ep out.
*/
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index adc6d52efa46..cf43e9e18368 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -423,7 +423,7 @@ static ssize_t __ffs_ep0_read_events(struct ffs_data *ffs, char __user *buf,
spin_unlock_irq(&ffs->ev.waitq.lock);
mutex_unlock(&ffs->mutex);
- return unlikely(__copy_to_user(buf, events, size)) ? -EFAULT : size;
+ return unlikely(copy_to_user(buf, events, size)) ? -EFAULT : size;
}
static ssize_t ffs_ep0_read(struct file *file, char __user *buf,
@@ -513,7 +513,7 @@ static ssize_t ffs_ep0_read(struct file *file, char __user *buf,
/* unlocks spinlock */
ret = __ffs_ep0_queue_wait(ffs, data, len);
- if (likely(ret > 0) && unlikely(__copy_to_user(buf, data, len)))
+ if (likely(ret > 0) && unlikely(copy_to_user(buf, data, len)))
ret = -EFAULT;
goto done_mutex;
@@ -3493,7 +3493,7 @@ static char *ffs_prepare_buffer(const char __user *buf, size_t len)
if (unlikely(!data))
return ERR_PTR(-ENOMEM);
- if (unlikely(__copy_from_user(data, buf, len))) {
+ if (unlikely(copy_from_user(data, buf, len))) {
kfree(data);
return ERR_PTR(-EFAULT);
}
diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c
index 23933bdf2d9d..ddc3aad886b7 100644
--- a/drivers/usb/gadget/function/f_loopback.c
+++ b/drivers/usb/gadget/function/f_loopback.c
@@ -329,7 +329,7 @@ static int alloc_requests(struct usb_composite_dev *cdev,
for (i = 0; i < loop->qlen && result == 0; i++) {
result = -ENOMEM;
- in_req = usb_ep_alloc_request(loop->in_ep, GFP_KERNEL);
+ in_req = usb_ep_alloc_request(loop->in_ep, GFP_ATOMIC);
if (!in_req)
goto fail;
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 42acb45e1ab4..898a570319f1 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -370,6 +370,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
if (err) {
ERROR(midi, "%s queue req: %d\n",
midi->out_ep->name, err);
+ free_ep_req(midi->out_ep, req);
}
}
@@ -545,7 +546,7 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req)
}
}
- if (req->length > 0) {
+ if (req->length > 0 && ep->enabled) {
int err;
err = usb_ep_queue(ep, req, GFP_ATOMIC);
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 289ebca316d3..ad8c9b05572d 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -20,7 +20,7 @@
#define UVC_ATTR(prefix, cname, aname) \
static struct configfs_attribute prefix##attr_##cname = { \
.ca_name = __stringify(aname), \
- .ca_mode = S_IRUGO, \
+ .ca_mode = S_IRUGO | S_IWUGO, \
.ca_owner = THIS_MODULE, \
.show = prefix##cname##_show, \
.store = prefix##cname##_store, \
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 51d4a1703af2..912694f3d54e 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -41,7 +41,7 @@
* videobuf2 queue operations
*/
-static int uvc_queue_setup(struct vb2_queue *vq, const void *parg,
+static int uvc_queue_setup(struct vb2_queue *vq,
unsigned int *nbuffers, unsigned int *nplanes,
unsigned int sizes[], void *alloc_ctxs[])
{
@@ -329,7 +329,7 @@ struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = queue->sequence++;
- v4l2_get_timestamp(&buf->buf.timestamp);
+ buf->buf.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index f0f2b066ac08..f92f5aff0dd5 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1633,7 +1633,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
spin_lock(&udc->lock);
int_enb = usba_int_enb_get(udc);
- status = usba_readl(udc, INT_STA) & int_enb;
+ status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED);
DBG(DBG_INT, "irq, status=%#08x\n", status);
if (status & USBA_DET_SUSPEND) {
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index 670ac0b12f00..001a3b74a993 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2536,6 +2536,9 @@ static int pxa_udc_suspend(struct platform_device *_dev, pm_message_t state)
udc->pullup_resume = udc->pullup_on;
dplus_pullup(udc, 0);
+ if (udc->driver)
+ udc->driver->disconnect(&udc->gadget);
+
return 0;
}
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 342ffd140122..8c6e15bd6ff0 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -473,6 +473,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
if (!pdata)
return -ENOMEM;
+ pdev->dev.platform_data = pdata;
+
if (!of_property_read_u32(np, "num-ports", &ports))
pdata->ports = ports;
@@ -483,6 +485,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
*/
if (i >= pdata->ports) {
pdata->vbus_pin[i] = -EINVAL;
+ pdata->overcurrent_pin[i] = -EINVAL;
continue;
}
@@ -513,10 +516,8 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
}
at91_for_each_port(i) {
- if (i >= pdata->ports) {
- pdata->overcurrent_pin[i] = -EINVAL;
- continue;
- }
+ if (i >= pdata->ports)
+ break;
pdata->overcurrent_pin[i] =
of_get_named_gpio_flags(np, "atmel,oc-gpio", i, &flags);
@@ -552,8 +553,6 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
}
}
- pdev->dev.platform_data = pdata;
-
device_init_wakeup(&pdev->dev, 1);
return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
}
diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c
index 1b28a000d5c6..9c6635d43db0 100644
--- a/drivers/usb/host/uhci-debug.c
+++ b/drivers/usb/host/uhci-debug.c
@@ -584,27 +584,8 @@ static int uhci_debug_open(struct inode *inode, struct file *file)
static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence)
{
- struct uhci_debug *up;
- loff_t new = -1;
-
- up = file->private_data;
-
- /*
- * XXX: atomic 64bit seek access, but that needs to be fixed in the VFS
- */
- switch (whence) {
- case 0:
- new = off;
- break;
- case 1:
- new = file->f_pos + off;
- break;
- }
-
- if (new < 0 || new > up->size)
- return -EINVAL;
-
- return (file->f_pos = new);
+ struct uhci_debug *up = file->private_data;
+ return no_seek_end_llseek_size(file, off, whence, up->size);
}
static ssize_t uhci_debug_read(struct file *file, char __user *buf,
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index dc31c425ce01..9f1c0538b211 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -377,6 +377,10 @@ static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_f
if (std->pl_virt == NULL)
return -ENOMEM;
std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) {
+ kfree(std->pl_virt);
+ return -EFAULT;
+ }
for (p = 0; p < std->num_pointers; p++) {
std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 5d2d7e954bd4..f980c239eded 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -733,8 +733,30 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
if ((raw_port_status & PORT_RESET) ||
!(raw_port_status & PORT_PE))
return 0xffffffff;
- if (time_after_eq(jiffies,
- bus_state->resume_done[wIndex])) {
+ /* did port event handler already start resume timing? */
+ if (!bus_state->resume_done[wIndex]) {
+ /* If not, maybe we are in a host initated resume? */
+ if (test_bit(wIndex, &bus_state->resuming_ports)) {
+ /* Host initated resume doesn't time the resume
+ * signalling using resume_done[].
+ * It manually sets RESUME state, sleeps 20ms
+ * and sets U0 state. This should probably be
+ * changed, but not right now.
+ */
+ } else {
+ /* port resume was discovered now and here,
+ * start resume timing
+ */
+ unsigned long timeout = jiffies +
+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
+
+ set_bit(wIndex, &bus_state->resuming_ports);
+ bus_state->resume_done[wIndex] = timeout;
+ mod_timer(&hcd->rh_timer, timeout);
+ }
+ /* Has resume been signalled for USB_RESUME_TIME yet? */
+ } else if (time_after_eq(jiffies,
+ bus_state->resume_done[wIndex])) {
int time_left;
xhci_dbg(xhci, "Resume USB2 port %d\n",
@@ -775,19 +797,35 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
} else {
/*
* The resume has been signaling for less than
- * 20ms. Report the port status as SUSPEND,
- * let the usbcore check port status again
- * and clear resume signaling later.
+ * USB_RESUME_TIME. Report the port status as SUSPEND,
+ * let the usbcore check port status again and clear
+ * resume signaling later.
*/
status |= USB_PORT_STAT_SUSPEND;
}
}
- if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0
- && (raw_port_status & PORT_POWER)
- && (bus_state->suspended_ports & (1 << wIndex))) {
- bus_state->suspended_ports &= ~(1 << wIndex);
- if (hcd->speed < HCD_USB3)
- bus_state->port_c_suspend |= 1 << wIndex;
+ /*
+ * Clear stale usb2 resume signalling variables in case port changed
+ * state during resume signalling. For example on error
+ */
+ if ((bus_state->resume_done[wIndex] ||
+ test_bit(wIndex, &bus_state->resuming_ports)) &&
+ (raw_port_status & PORT_PLS_MASK) != XDEV_U3 &&
+ (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) {
+ bus_state->resume_done[wIndex] = 0;
+ clear_bit(wIndex, &bus_state->resuming_ports);
+ }
+
+
+ if ((raw_port_status & PORT_PLS_MASK) == XDEV_U0 &&
+ (raw_port_status & PORT_POWER)) {
+ if (bus_state->suspended_ports & (1 << wIndex)) {
+ bus_state->suspended_ports &= ~(1 << wIndex);
+ if (hcd->speed < HCD_USB3)
+ bus_state->port_c_suspend |= 1 << wIndex;
+ }
+ bus_state->resume_done[wIndex] = 0;
+ clear_bit(wIndex, &bus_state->resuming_ports);
}
if (raw_port_status & PORT_CONNECT) {
status |= USB_PORT_STAT_CONNECTION;
@@ -1112,6 +1150,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
if ((temp & PORT_PE) == 0)
goto error;
+ set_bit(wIndex, &bus_state->resuming_ports);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_RESUME);
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -1119,6 +1158,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
spin_lock_irqsave(&xhci->lock, flags);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
+ clear_bit(wIndex, &bus_state->resuming_ports);
}
bus_state->port_c_suspend |= 1 << wIndex;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 17f6897acde2..c62109091d12 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -188,10 +188,14 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45,
0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23,
};
- acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL);
+ union acpi_object *obj;
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1,
+ NULL);
+ ACPI_FREE(obj);
}
#else
- static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
#endif /* CONFIG_ACPI */
/* called during probe() after chip reset completes */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index fa836251ca21..eeaa6c6bd540 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1583,7 +1583,8 @@ static void handle_port_status(struct xhci_hcd *xhci,
*/
bogus_port_status = true;
goto cleanup;
- } else {
+ } else if (!test_bit(faked_port_index,
+ &bus_state->resuming_ports)) {
xhci_dbg(xhci, "resume HS port %d\n", port_id);
bus_state->resume_done[faked_port_index] = jiffies +
msecs_to_jiffies(USB_RESUME_TIMEOUT);
@@ -3896,28 +3897,6 @@ cleanup:
return ret;
}
-static int ep_ring_is_processing(struct xhci_hcd *xhci,
- int slot_id, unsigned int ep_index)
-{
- struct xhci_virt_device *xdev;
- struct xhci_ring *ep_ring;
- struct xhci_ep_ctx *ep_ctx;
- struct xhci_virt_ep *xep;
- dma_addr_t hw_deq;
-
- xdev = xhci->devs[slot_id];
- xep = &xhci->devs[slot_id]->eps[ep_index];
- ep_ring = xep->ring;
- ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
-
- if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) != EP_STATE_RUNNING)
- return 0;
-
- hw_deq = le64_to_cpu(ep_ctx->deq) & ~EP_CTX_CYCLE_MASK;
- return (hw_deq !=
- xhci_trb_virt_to_dma(ep_ring->enq_seg, ep_ring->enqueue));
-}
-
/*
* Check transfer ring to guarantee there is enough room for the urb.
* Update ISO URB start_frame and interval.
@@ -3983,10 +3962,12 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
}
/* Calculate the start frame and put it in urb->start_frame. */
- if (HCC_CFC(xhci->hcc_params) &&
- ep_ring_is_processing(xhci, slot_id, ep_index)) {
- urb->start_frame = xep->next_frame_id;
- goto skip_start_over;
+ if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) {
+ if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) ==
+ EP_STATE_RUNNING) {
+ urb->start_frame = xep->next_frame_id;
+ goto skip_start_over;
+ }
}
start_frame = readl(&xhci->run_regs->microframe_index);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6e7dc6f93978..3f912705dcef 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -175,6 +175,16 @@ int xhci_reset(struct xhci_hcd *xhci)
command |= CMD_RESET;
writel(command, &xhci->op_regs->command);
+ /* Existing Intel xHCI controllers require a delay of 1 mS,
+ * after setting the CMD_RESET bit, and before accessing any
+ * HC registers. This allows the HC to complete the
+ * reset operation and be ready for HC register access.
+ * Without this delay, the subsequent HC register access,
+ * may result in a system hang very rarely.
+ */
+ if (xhci->quirks & XHCI_INTEL_HOST)
+ udelay(1000);
+
ret = xhci_handshake(&xhci->op_regs->command,
CMD_RESET, 0, 10 * 1000 * 1000);
if (ret)
@@ -4768,8 +4778,16 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx);
slot_ctx->dev_info |= cpu_to_le32(DEV_HUB);
+ /*
+ * refer to section 6.2.2: MTT should be 0 for full speed hub,
+ * but it may be already set to 1 when setup an xHCI virtual
+ * device, so clear it anyway.
+ */
if (tt->multi)
slot_ctx->dev_info |= cpu_to_le32(DEV_MTT);
+ else if (hdev->speed == USB_SPEED_FULL)
+ slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT);
+
if (xhci->hci_version > 0x95) {
xhci_dbg(xhci, "xHCI version %x needs hub "
"TT think time and number of ports\n",
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 306d6852ebc7..8efbabacc84e 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -2825,21 +2825,7 @@ sisusb_lseek(struct file *file, loff_t offset, int orig)
return -ENODEV;
}
- switch (orig) {
- case 0:
- file->f_pos = offset;
- ret = file->f_pos;
- /* never negative, no force_successful_syscall needed */
- break;
- case 1:
- file->f_pos += offset;
- ret = file->f_pos;
- /* never negative, no force_successful_syscall needed */
- break;
- default:
- /* seeking relative to "end of file" is not supported */
- ret = -EINVAL;
- }
+ ret = no_seek_end_llseek(file, offset, orig);
mutex_unlock(&sisusb->lock);
return ret;
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 1f2037bbeb0d..45c83baf675d 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -159,7 +159,7 @@ config USB_TI_CPPI_DMA
config USB_TI_CPPI41_DMA
bool 'TI CPPI 4.1 (AM335x)'
- depends on ARCH_OMAP
+ depends on ARCH_OMAP && DMADEVICES
select TI_CPPI41
config USB_TUSB_OMAP_DMA
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index ba13529cbd52..ee9ff7028b92 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -132,7 +132,7 @@ static inline struct musb *dev_to_musb(struct device *dev)
/*-------------------------------------------------------------------------*/
#ifndef CONFIG_BLACKFIN
-static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
+static int musb_ulpi_read(struct usb_phy *phy, u32 reg)
{
void __iomem *addr = phy->io_priv;
int i = 0;
@@ -151,7 +151,7 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
* ULPICarKitControlDisableUTMI after clearing POWER_SUSPENDM.
*/
- musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
+ musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
musb_writeb(addr, MUSB_ULPI_REG_CONTROL,
MUSB_ULPI_REG_REQ | MUSB_ULPI_RDN_WR);
@@ -176,7 +176,7 @@ out:
return ret;
}
-static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
+static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg)
{
void __iomem *addr = phy->io_priv;
int i = 0;
@@ -191,8 +191,8 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
power &= ~MUSB_POWER_SUSPENDM;
musb_writeb(addr, MUSB_POWER, power);
- musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
- musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)data);
+ musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
+ musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)val);
musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ);
while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL)
@@ -1668,7 +1668,7 @@ EXPORT_SYMBOL_GPL(musb_interrupt);
static bool use_dma = 1;
/* "modprobe ... use_dma=0" etc */
-module_param(use_dma, bool, 0);
+module_param(use_dma, bool, 0644);
MODULE_PARM_DESC(use_dma, "enable/disable use of DMA");
void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit)
@@ -2017,7 +2017,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
/* We need musb_read/write functions initialized for PM */
pm_runtime_use_autosuspend(musb->controller);
pm_runtime_set_autosuspend_delay(musb->controller, 200);
- pm_runtime_irq_safe(musb->controller);
pm_runtime_enable(musb->controller);
/* The musb_platform_init() call:
@@ -2095,6 +2094,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
#ifndef CONFIG_MUSB_PIO_ONLY
if (!musb->ops->dma_init || !musb->ops->dma_exit) {
dev_err(dev, "DMA controller not set\n");
+ status = -ENODEV;
goto fail2;
}
musb_dma_controller_create = musb->ops->dma_init;
@@ -2218,6 +2218,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
pm_runtime_put(musb->controller);
+ /*
+ * For why this is currently needed, see commit 3e43a0725637
+ * ("usb: musb: core: add pm_runtime_irq_safe()")
+ */
+ pm_runtime_irq_safe(musb->controller);
+
return 0;
fail5:
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 26c65e66cc0f..795a45b1b25b 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -112,22 +112,32 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
struct musb *musb = ep->musb;
void __iomem *epio = ep->regs;
u16 csr;
- u16 lastcsr = 0;
int retries = 1000;
csr = musb_readw(epio, MUSB_TXCSR);
while (csr & MUSB_TXCSR_FIFONOTEMPTY) {
- if (csr != lastcsr)
- dev_dbg(musb->controller, "Host TX FIFONOTEMPTY csr: %02x\n", csr);
- lastcsr = csr;
csr |= MUSB_TXCSR_FLUSHFIFO | MUSB_TXCSR_TXPKTRDY;
musb_writew(epio, MUSB_TXCSR, csr);
csr = musb_readw(epio, MUSB_TXCSR);
- if (WARN(retries-- < 1,
+
+ /*
+ * FIXME: sometimes the tx fifo flush failed, it has been
+ * observed during device disconnect on AM335x.
+ *
+ * To reproduce the issue, ensure tx urb(s) are queued when
+ * unplug the usb device which is connected to AM335x usb
+ * host port.
+ *
+ * I found using a usb-ethernet device and running iperf
+ * (client on AM335x) has very high chance to trigger it.
+ *
+ * Better to turn on dev_dbg() in musb_cleanup_urb() with
+ * CPPI enabled to see the issue when aborting the tx channel.
+ */
+ if (dev_WARN_ONCE(musb->controller, retries-- < 1,
"Could not flush host TX%d fifo: csr: %04x\n",
ep->epnum, csr))
return;
- mdelay(1);
}
}
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 173132416170..22e8ecb6bfbd 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -21,7 +21,6 @@ config AB8500_USB
config FSL_USB2_OTG
bool "Freescale USB OTG Transceiver Driver"
depends on USB_EHCI_FSL && USB_FSL_USB2 && USB_OTG_FSM && PM
- select USB_OTG
select USB_PHY
help
Enable this to support Freescale USB OTG transceiver.
@@ -168,8 +167,7 @@ config USB_QCOM_8X16_PHY
config USB_MV_OTG
tristate "Marvell USB OTG support"
- depends on USB_EHCI_MV && USB_MV_UDC && PM
- select USB_OTG
+ depends on USB_EHCI_MV && USB_MV_UDC && PM && USB_OTG
select USB_PHY
help
Say Y here if you want to build Marvell USB OTG transciever
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index 80eb991c2506..0d19a6d61a71 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -1506,7 +1506,6 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg)
{
struct msm_otg_platform_data *pdata;
struct extcon_dev *ext_id, *ext_vbus;
- const struct of_device_id *id;
struct device_node *node = pdev->dev.of_node;
struct property *prop;
int len, ret, words;
@@ -1518,8 +1517,9 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg)
motg->pdata = pdata;
- id = of_match_device(msm_otg_dt_match, &pdev->dev);
- pdata->phy_type = (enum msm_usb_phy_type) id->data;
+ pdata->phy_type = (enum msm_usb_phy_type)of_device_get_match_data(&pdev->dev);
+ if (!pdata->phy_type)
+ return 1;
motg->link_rst = devm_reset_control_get(&pdev->dev, "link");
if (IS_ERR(motg->link_rst))
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index 4d863ebc117c..c2936dc48ca7 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -143,12 +143,17 @@ static const struct mxs_phy_data imx6sx_phy_data = {
.flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS,
};
+static const struct mxs_phy_data imx6ul_phy_data = {
+ .flags = MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS,
+};
+
static const struct of_device_id mxs_phy_dt_ids[] = {
{ .compatible = "fsl,imx6sx-usbphy", .data = &imx6sx_phy_data, },
{ .compatible = "fsl,imx6sl-usbphy", .data = &imx6sl_phy_data, },
{ .compatible = "fsl,imx6q-usbphy", .data = &imx6q_phy_data, },
{ .compatible = "fsl,imx23-usbphy", .data = &imx23_phy_data, },
{ .compatible = "fsl,vf610-usbphy", .data = &vf610_phy_data, },
+ { .compatible = "fsl,imx6ul-usbphy", .data = &imx6ul_phy_data, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
@@ -452,10 +457,13 @@ static int mxs_phy_probe(struct platform_device *pdev)
struct clk *clk;
struct mxs_phy *mxs_phy;
int ret;
- const struct of_device_id *of_id =
- of_match_device(mxs_phy_dt_ids, &pdev->dev);
+ const struct of_device_id *of_id;
struct device_node *np = pdev->dev.of_node;
+ of_id = of_match_device(mxs_phy_dt_ids, &pdev->dev);
+ if (!of_id)
+ return -ENODEV;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c
index 1270906ccb95..c4bf2de6d14e 100644
--- a/drivers/usb/phy/phy-omap-otg.c
+++ b/drivers/usb/phy/phy-omap-otg.c
@@ -105,7 +105,6 @@ static int omap_otg_probe(struct platform_device *pdev)
extcon = extcon_get_extcon_dev(config->extcon);
if (!extcon)
return -EPROBE_DEFER;
- otg_dev->extcon = extcon;
otg_dev = devm_kzalloc(&pdev->dev, sizeof(*otg_dev), GFP_KERNEL);
if (!otg_dev)
@@ -115,6 +114,7 @@ static int omap_otg_probe(struct platform_device *pdev)
if (IS_ERR(otg_dev->base))
return PTR_ERR(otg_dev->base);
+ otg_dev->extcon = extcon;
otg_dev->id_nb.notifier_call = omap_otg_id_notifier;
otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier;
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index de4f97d84a82..8f7a78e70975 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -131,7 +131,8 @@ static void __usbhsg_queue_pop(struct usbhsg_uep *uep,
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
- dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe));
+ if (pipe)
+ dev_dbg(dev, "pipe %d : queue pop\n", usbhs_pipe_number(pipe));
ureq->req.status = status;
spin_unlock(usbhs_priv_to_lock(priv));
@@ -685,7 +686,13 @@ static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req)
struct usbhsg_request *ureq = usbhsg_req_to_ureq(req);
struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
- usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq));
+ if (pipe)
+ usbhs_pkt_pop(pipe, usbhsg_ureq_to_pkt(ureq));
+
+ /*
+ * To dequeue a request, this driver should call the usbhsg_queue_pop()
+ * even if the pipe is NULL.
+ */
usbhsg_queue_pop(uep, ureq, -ECONNRESET);
return 0;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eac7ccaa3c85..7d4f51a32e66 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -132,7 +132,6 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
- { USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index f51a5d52c0ed..ec1b8f2c1183 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty,
* through. Since this has a reasonably high failure rate, we retry
* several times.
*/
- while (retries--) {
+ while (retries) {
+ retries--;
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
0x1, 0, NULL, 0, 100);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 685fef71d3d1..f2280606b73c 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -161,6 +161,7 @@ static void option_instat_callback(struct urb *urb);
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
#define NOVATELWIRELESS_PRODUCT_E362 0x9010
#define NOVATELWIRELESS_PRODUCT_E371 0x9011
+#define NOVATELWIRELESS_PRODUCT_U620L 0x9022
#define NOVATELWIRELESS_PRODUCT_G2 0xA010
#define NOVATELWIRELESS_PRODUCT_MC551 0xB001
@@ -354,6 +355,7 @@ static void option_instat_callback(struct urb *urb);
/* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
* It seems to contain a Qualcomm QSC6240/6290 chipset */
#define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603
+#define FOUR_G_SYSTEMS_PRODUCT_W100 0x9b01
/* iBall 3.5G connect wireless modem */
#define IBALL_3_5G_CONNECT 0x9605
@@ -519,6 +521,11 @@ static const struct option_blacklist_info four_g_w14_blacklist = {
.sendsetup = BIT(0) | BIT(1),
};
+static const struct option_blacklist_info four_g_w100_blacklist = {
+ .sendsetup = BIT(1) | BIT(2),
+ .reserved = BIT(3),
+};
+
static const struct option_blacklist_info alcatel_x200_blacklist = {
.sendsetup = BIT(0) | BIT(1),
.reserved = BIT(4),
@@ -1052,6 +1059,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U620L, 0xff, 0x00, 0x00) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -1641,6 +1649,9 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
.driver_info = (kernel_ulong_t)&four_g_w14_blacklist
},
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100),
+ .driver_info = (kernel_ulong_t)&four_g_w100_blacklist
+ },
{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 5022fcfa0260..9919d2a9faf2 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,6 +22,8 @@
#define DRIVER_AUTHOR "Qualcomm Inc"
#define DRIVER_DESC "Qualcomm USB Serial driver"
+#define QUECTEL_EC20_PID 0x9215
+
/* standard device layouts supported by this driver */
enum qcserial_layouts {
QCSERIAL_G2K = 0, /* Gobi 2000 */
@@ -171,6 +173,38 @@ static const struct usb_device_id id_table[] = {
};
MODULE_DEVICE_TABLE(usb, id_table);
+static int handle_quectel_ec20(struct device *dev, int ifnum)
+{
+ int altsetting = 0;
+
+ /*
+ * Quectel EC20 Mini PCIe LTE module layout:
+ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
+ * 1: NMEA
+ * 2: AT-capable modem port
+ * 3: Modem interface
+ * 4: NDIS
+ */
+ switch (ifnum) {
+ case 0:
+ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
+ break;
+ case 1:
+ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
+ break;
+ case 2:
+ case 3:
+ dev_dbg(dev, "Quectel EC20 Modem port found\n");
+ break;
+ case 4:
+ /* Don't claim the QMI/net interface */
+ altsetting = -1;
+ break;
+ }
+
+ return altsetting;
+}
+
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_host_interface *intf = serial->interface->cur_altsetting;
@@ -181,6 +215,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
int altsetting = -1;
bool sendsetup = false;
+ /* we only support vendor specific functions */
+ if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
+ goto done;
+
nintf = serial->dev->actconfig->desc.bNumInterfaces;
dev_dbg(dev, "Num Interfaces = %d\n", nintf);
ifnum = intf->desc.bInterfaceNumber;
@@ -240,6 +278,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
altsetting = -1;
break;
case QCSERIAL_G2K:
+ /* handle non-standard layouts */
+ if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
+ altsetting = handle_quectel_ec20(dev, ifnum);
+ goto done;
+ }
+
/*
* Gobi 2K+ USB layout:
* 0: QMI/net
@@ -301,29 +345,39 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
break;
case QCSERIAL_HWI:
/*
- * Huawei layout:
- * 0: AT-capable modem port
- * 1: DM/DIAG
- * 2: AT-capable modem port
- * 3: CCID-compatible PCSC interface
- * 4: QMI/net
- * 5: NMEA
+ * Huawei devices map functions by subclass + protocol
+ * instead of interface numbers. The protocol identify
+ * a specific function, while the subclass indicate a
+ * specific firmware source
+ *
+ * This is a blacklist of functions known to be
+ * non-serial. The rest are assumed to be serial and
+ * will be handled by this driver
*/
- switch (ifnum) {
- case 0:
- case 2:
- dev_dbg(dev, "Modem port found\n");
- break;
- case 1:
- dev_dbg(dev, "DM/DIAG interface found\n");
- break;
- case 5:
- dev_dbg(dev, "NMEA GPS interface found\n");
- break;
- default:
- /* don't claim any unsupported interface */
+ switch (intf->desc.bInterfaceProtocol) {
+ /* QMI combined (qmi_wwan) */
+ case 0x07:
+ case 0x37:
+ case 0x67:
+ /* QMI data (qmi_wwan) */
+ case 0x08:
+ case 0x38:
+ case 0x68:
+ /* QMI control (qmi_wwan) */
+ case 0x09:
+ case 0x39:
+ case 0x69:
+ /* NCM like (huawei_cdc_ncm) */
+ case 0x16:
+ case 0x46:
+ case 0x76:
altsetting = -1;
break;
+ default:
+ dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
+ intf->desc.bInterfaceClass,
+ intf->desc.bInterfaceSubClass,
+ intf->desc.bInterfaceProtocol);
}
break;
default:
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index e9da41d9fe7f..2694df2f4559 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -159,6 +159,7 @@ static const struct usb_device_id ti_id_table_3410[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) },
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+ { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
{ } /* terminator */
};
@@ -191,6 +192,7 @@ static const struct usb_device_id ti_id_table_combined[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+ { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
{ } /* terminator */
};
diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 4a2423e84d55..98f35c656c02 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -56,6 +56,10 @@
#define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID
#define ABBOTT_STRIP_PORT_ID 0x3420
+/* Honeywell vendor and product IDs */
+#define HONEYWELL_VENDOR_ID 0x10ac
+#define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */
+
/* Commands */
#define TI_GET_VERSION 0x01
#define TI_GET_PORT_STATUS 0x02
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 3658662898fc..a204782ae530 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -53,6 +53,7 @@ DEVICE(funsoft, FUNSOFT_IDS);
/* Infineon Flashloader driver */
#define FLASHLOADER_IDS() \
+ { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
{ USB_DEVICE(0x8087, 0x0716) }
DEVICE(flashloader, FLASHLOADER_IDS);
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index e69151664436..5c66d3f7a6d0 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -796,6 +796,10 @@ static int uas_slave_configure(struct scsi_device *sdev)
if (devinfo->flags & US_FL_NO_REPORT_OPCODES)
sdev->no_report_opcodes = 1;
+ /* A few buggy USB-ATA bridges don't understand FUA */
+ if (devinfo->flags & US_FL_BROKEN_FUA)
+ sdev->broken_fua = 1;
+
scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
return 0;
}
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 6b2479123de7..7ffe4209067b 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1987,7 +1987,7 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201,
US_FL_IGNORE_RESIDUE ),
/* Reported by Michael Büsch <m@bues.ch> */
-UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0114,
+UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0116,
"JMicron",
"USB to ATA/ATAPI Bridge",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index c85ea530085f..ccc113e83d88 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -132,7 +132,7 @@ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
"JMicron",
"JMS567",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_REPORT_OPCODES),
+ US_FL_BROKEN_FUA | US_FL_NO_REPORT_OPCODES),
/* Reported-by: Hans de Goede <hdegoede@redhat.com> */
UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,