diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index b870872e020f1e0bd8e93c157b76d145bc2b2122..70fc43027a5c65b6f29f22dc9ec64c18db220323 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -1,7 +1,6 @@
config USB_DWC3
tristate "DesignWare USB3 DRD Core Support"
depends on (USB || USB_GADGET) && HAS_DMA
- depends on EXTCON
select USB_XHCI_PLATFORM if USB_SUPPORT && USB_XHCI_HCD
help
Say Y or M here if your system has a Dual Role SuperSpeed
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 9b138129e856aa22b27c4a83398adf55c8949247..997ebe420bc9f5ea780f0339fea0193235be1398 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -28,6 +28,7 @@
/* FIXME define these in <linux/pci_ids.h> */
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
struct dwc3_pci {
struct device *dev;
@@ -187,6 +188,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = {
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index f168eaebdef8fc6731de7c6994c658737495fdce..5452c0fce36074d4238e3553bb00d879d8df9ac3 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2611,15 +2611,13 @@ int dwc3_gadget_init(struct dwc3 *dwc)
ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget);
if (ret) {
dev_err(dwc->dev, "failed to register udc\n");
- goto err5;
+ goto err4;
}
return 0;
-err5:
- dwc3_gadget_free_endpoints(dwc);
-
err4:
+ dwc3_gadget_free_endpoints(dwc);
dma_free_coherent(dwc->dev, DWC3_EP0_BOUNCE_SIZE,
dwc->ep0_bounce, dwc->ep0_bounce_addr);
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index 5a5acf22c694514f5b3ebede7903f9912e4138b5..e126b6b248e63cd1b412bea2561e90bd15a104d3 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -113,12 +113,6 @@ static int __init cdc_do_config(struct usb_configuration *c)
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- fi_ecm = usb_get_function_instance("ecm");
- if (IS_ERR(fi_ecm)) {
- status = PTR_ERR(fi_ecm);
- goto err_func_ecm;
- }
-
f_ecm = usb_get_function(fi_ecm);
if (IS_ERR(f_ecm)) {
status = PTR_ERR(f_ecm);
@@ -129,35 +123,24 @@ static int __init cdc_do_config(struct usb_configuration *c)
if (status)
goto err_add_ecm;
- fi_serial = usb_get_function_instance("acm");
- if (IS_ERR(fi_serial)) {
- status = PTR_ERR(fi_serial);
- goto err_get_acm;
- }
-
f_acm = usb_get_function(fi_serial);
if (IS_ERR(f_acm)) {
status = PTR_ERR(f_acm);
- goto err_func_acm;
+ goto err_get_acm;
}
status = usb_add_function(c, f_acm);
if (status)
goto err_add_acm;
-
return 0;
err_add_acm:
usb_put_function(f_acm);
-err_func_acm:
- usb_put_function_instance(fi_serial);
err_get_acm:
usb_remove_function(c, f_ecm);
err_add_ecm:
usb_put_function(f_ecm);
err_get_ecm:
- usb_put_function_instance(fi_ecm);
-err_func_ecm:
return status;
}
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 06ecd08fd57a3174022a3579f458c84f30440123..b8a2376971a47aa357794117f74390aaee01a594 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -923,8 +923,9 @@ static int dummy_udc_stop(struct usb_gadget *g,
struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
struct dummy *dum = dum_hcd->dum;
- dev_dbg(udc_dev(dum), "unregister gadget driver '%s'\n",
- driver->driver.name);
+ if (driver)
+ dev_dbg(udc_dev(dum), "unregister gadget driver '%s'\n",
+ driver->driver.name);
dum->driver = NULL;
@@ -1000,8 +1001,8 @@ static int dummy_udc_remove(struct platform_device *pdev)
{
struct dummy *dum = platform_get_drvdata(pdev);
- usb_del_gadget_udc(&dum->gadget);
device_remove_file(&dum->gadget.dev, &dev_attr_function);
+ usb_del_gadget_udc(&dum->gadget);
return 0;
}
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index edab45da37417e16960b75033a46a8453475b77b..8d9e6f7e8f1a5a6c36965dfdd4c5a213f4f917aa 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -995,7 +995,7 @@ static void ecm_unbind(struct usb_configuration *c, struct usb_function *f)
usb_ep_free_request(ecm->notify, ecm->notify_req);
}
-struct usb_function *ecm_alloc(struct usb_function_instance *fi)
+static struct usb_function *ecm_alloc(struct usb_function_instance *fi)
{
struct f_ecm *ecm;
struct f_ecm_opts *opts;
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index d00392d879db3aa3e75d093d4e26041fa42bcb54..d61c11d765d0a92b9e9e79270e9de4b3cb474ca3 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -624,7 +624,7 @@ static void eem_unbind(struct usb_configuration *c, struct usb_function *f)
usb_free_all_descriptors(f);
}
-struct usb_function *eem_alloc(struct usb_function_instance *fi)
+static struct usb_function *eem_alloc(struct usb_function_instance *fi)
{
struct f_eem *eem;
struct f_eem_opts *opts;
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 313b835eedfd58948d23a96a85ade673347e8114..a01d7d38c01685135a503885342be7f9ec63ebbd 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2260,10 +2260,12 @@ reset:
/* Disable the endpoints */
if (fsg->bulk_in_enabled) {
usb_ep_disable(fsg->bulk_in);
+ fsg->bulk_in->driver_data = NULL;
fsg->bulk_in_enabled = 0;
}
if (fsg->bulk_out_enabled) {
usb_ep_disable(fsg->bulk_out);
+ fsg->bulk_out->driver_data = NULL;
fsg->bulk_out_enabled = 0;
}
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 2a1ebefd8f9eb31318fc861fbc010214148db18d..23393254a8a35593526062cc09880f50c809dced 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -179,7 +179,7 @@ err_conf:
return ret;
}
-static int rndis_config_register(struct usb_composite_dev *cdev)
+static __ref int rndis_config_register(struct usb_composite_dev *cdev)
{
static struct usb_configuration config = {
.bConfigurationValue = MULTI_RNDIS_CONFIG_NUM,
@@ -194,7 +194,7 @@ static int rndis_config_register(struct usb_composite_dev *cdev)
#else
-static int rndis_config_register(struct usb_composite_dev *cdev)
+static __ref int rndis_config_register(struct usb_composite_dev *cdev)
{
return 0;
}
@@ -241,7 +241,7 @@ err_conf:
return ret;
}
-static int cdc_config_register(struct usb_composite_dev *cdev)
+static __ref int cdc_config_register(struct usb_composite_dev *cdev)
{
static struct usb_configuration config = {
.bConfigurationValue = MULTI_CDC_CONFIG_NUM,
@@ -256,7 +256,7 @@ static int cdc_config_register(struct usb_composite_dev *cdev)
#else
-static int cdc_config_register(struct usb_composite_dev *cdev)
+static __ref int cdc_config_register(struct usb_composite_dev *cdev)
{
return 0;
}
diff --git a/drivers/usb/gadget/mv_u3d_core.c b/drivers/usb/gadget/mv_u3d_core.c
index bbb6e98c4384292d3446b62f8671decaf0a51c55..561b30efb8ee84de6fc37c33005cdadc6fbcc5ff 100644
--- a/drivers/usb/gadget/mv_u3d_core.c
+++ b/drivers/usb/gadget/mv_u3d_core.c
@@ -645,6 +645,7 @@ static int mv_u3d_ep_disable(struct usb_ep *_ep)
struct mv_u3d_ep *ep;
struct mv_u3d_ep_context *ep_context;
u32 epxcr, direction;
+ unsigned long flags;
if (!_ep)
return -EINVAL;
@@ -661,7 +662,9 @@ static int mv_u3d_ep_disable(struct usb_ep *_ep)
direction = mv_u3d_ep_dir(ep);
/* nuke all pending requests (does flush) */
+ spin_lock_irqsave(&u3d->lock, flags);
mv_u3d_nuke(ep, -ESHUTDOWN);
+ spin_unlock_irqrestore(&u3d->lock, flags);
/* Disable the endpoint for Rx or Tx and reset the endpoint type */
if (direction == MV_U3D_EP_DIR_OUT) {
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index d69b36a99dbcd8ae5a1bc57275398be86a2562ca..6bddf1aa23479f388ac101355d500a858d8b02a4 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2475,8 +2475,6 @@ irq_retry:
if (gintsts & GINTSTS_ErlySusp) {
dev_dbg(hsotg->dev, "GINTSTS_ErlySusp\n");
writel(GINTSTS_ErlySusp, hsotg->regs + GINTSTS);
-
- s3c_hsotg_disconnect(hsotg);
}
/*
@@ -2962,9 +2960,6 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
if (!hsotg)
return -ENODEV;
- if (!driver || driver != hsotg->driver || !driver->unbind)
- return -EINVAL;
-
/* all endpoints should be shutdown */
for (ep = 0; ep < hsotg->num_of_eps; ep++)
s3c_hsotg_ep_disable(&hsotg->eps[ep].ep);
@@ -2972,15 +2967,15 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
spin_lock_irqsave(&hsotg->lock, flags);
s3c_hsotg_phy_disable(hsotg);
- regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies);
- hsotg->driver = NULL;
+ if (!driver)
+ hsotg->driver = NULL;
+
hsotg->gadget.speed = USB_SPEED_UNKNOWN;
spin_unlock_irqrestore(&hsotg->lock, flags);
- dev_info(hsotg->dev, "unregistered gadget driver '%s'\n",
- driver->driver.name);
+ regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies);
return 0;
}
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 9e0020d9e4c8cc01353ef4b804a9ba9d50bc8cfd..abd5050a4899bdb4518294175477a418583c4e83 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -24,7 +24,7 @@ struct fsl_usb2_dev_data {
enum fsl_usb2_operating_modes op_mode; /* operating mode */
};
-struct fsl_usb2_dev_data dr_mode_data[] = {
+static struct fsl_usb2_dev_data dr_mode_data[] = {
{
.dr_mode = "host",
.drivers = { "fsl-ehci", NULL, NULL, },
@@ -42,7 +42,7 @@ struct fsl_usb2_dev_data dr_mode_data[] = {
},
};
-struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np)
+static struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np)
{
const unsigned char *prop;
int i;
@@ -75,7 +75,7 @@ static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
return FSL_USB2_PHY_NONE;
}
-struct platform_device *fsl_usb2_device_register(
+static struct platform_device *fsl_usb2_device_register(
struct platform_device *ofdev,
struct fsl_usb2_platform_data *pdata,
const char *name, int id)
diff --git a/drivers/usb/phy/phy-omap-usb3.c b/drivers/usb/phy/phy-omap-usb3.c
index fc15694d3031bbf83b76e932914e44251280d491..4e8a0405f956c478491a1ed6f18d65a9afc07e9a 100644
--- a/drivers/usb/phy/phy-omap-usb3.c
+++ b/drivers/usb/phy/phy-omap-usb3.c
@@ -79,7 +79,7 @@ static struct usb_dpll_params *omap_usb3_get_dpll_params(unsigned long rate)
return &dpll_map[i].params;
}
- return 0;
+ return NULL;
}
static int omap_usb3_suspend(struct usb_phy *x, int suspend)