Merge branch 'for-next' of master.kernel.org:/pub/scm/linux/kernel/gi…

…t/balbi/usb into usb-next

* 'for-next' of master.kernel.org:/pub/scm/linux/kernel/git/balbi/usb:
  usb: gadget: m66592-udc: add pullup function
  usb: gadget: m66592-udc: add function for external controller
  usb: gadget: r8a66597-udc: add pullup function
  usb: gadget: zero: add superspeed support
  usb: gadget: add SS descriptors to Ethernet gadget
  usb: gadget: r8a66597-udc: add support for TEST_MODE
  usb: gadget: m66592-udc: add support for TEST_MODE
  usb: gadget: r8a66597-udc: Make BUSWAIT configurable through platform data
  usb: gadget: r8a66597-udc: fix cannot connect after rmmod gadget driver
  usb: update email address in r8a66597-udc and m66592-udc
  usb: musb: restore INDEX register in resume path
  usb: gadget: fix up depencies
  usb: gadget: fusb300_udc: fix compile warnings
  usb: gadget: ci13xx_udc.c: fix compile warning
  usb: gadget: net2272: fix compile warnings
  usb: gadget: langwell_udc: fix compile warnings
  usb: gadget: fusb300_udc: drop dead code

drivers/usb/gadget/Kconfig

@@ -157,6 +157,7 @@ config USB_FSL_USB2
 
 config USB_FUSB300
 	tristate "Faraday FUSB300 USB Peripheral Controller"
+	depends on !PHYS_ADDR_T_64BIT
 	select USB_GADGET_DUALSPEED
 	help
 	   Faraday usb device controller FUSB300 driver
@@ -427,6 +428,7 @@ config USB_GOKU
 config USB_LANGWELL
 	tristate "Intel Langwell USB Device Controller"
 	depends on PCI
+	depends on !PHYS_ADDR_T_64BIT
 	select USB_GADGET_DUALSPEED
 	help
 	   Intel Langwell USB Device Controller is a High-Speed USB

drivers/usb/gadget/ci13xxx_udc.c

@@ -1214,12 +1214,13 @@ static DEVICE_ATTR(qheads, S_IRUSR, show_qheads, NULL);
  *
  * Check "device.h" for details
  */
+#define DUMP_ENTRIES	512
 static ssize_t show_registers(struct device *dev,
 			      struct device_attribute *attr, char *buf)
 {
 	struct ci13xxx *udc = container_of(dev, struct ci13xxx, gadget.dev);
 	unsigned long flags;
-	u32 dump[512];
+	u32 *dump;
 	unsigned i, k, n = 0;
 
 	dbg_trace("[%s] %p\n", __func__, buf);
@@ -1228,15 +1229,22 @@ static ssize_t show_registers(struct device *dev,
 		return 0;
 	}
 
+	dump = kmalloc(sizeof(u32) * DUMP_ENTRIES, GFP_KERNEL);
+	if (!dump) {
+		dev_err(dev, "%s: out of memory\n", __func__);
+		return 0;
+	}
+
 	spin_lock_irqsave(udc->lock, flags);
-	k = hw_register_read(dump, sizeof(dump)/sizeof(u32));
+	k = hw_register_read(dump, DUMP_ENTRIES);
 	spin_unlock_irqrestore(udc->lock, flags);
 
 	for (i = 0; i < k; i++) {
 		n += scnprintf(buf + n, PAGE_SIZE - n,
 			       "reg[0x%04X] = 0x%08X\n",
 			       i * (unsigned)sizeof(u32), dump[i]);
 	}
+	kfree(dump);
 
 	return n;
 }

drivers/usb/gadget/ether.c

@@ -401,7 +401,7 @@ static struct usb_composite_driver eth_driver = {
 	.name		= "g_ether",
 	.dev		= &device_desc,
 	.strings	= dev_strings,
-	.max_speed	= USB_SPEED_HIGH,
+	.max_speed	= USB_SPEED_SUPER,
 	.unbind		= __exit_p(eth_unbind),
 };
 

drivers/usb/gadget/f_ecm.c

@@ -77,10 +77,12 @@ static inline struct f_ecm *func_to_ecm(struct usb_function *f)
 /* peak (theoretical) bulk transfer rate in bits-per-second */
 static inline unsigned ecm_bitrate(struct usb_gadget *g)
 {
-	if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
+	if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER)
+		return 13 * 1024 * 8 * 1000 * 8;
+	else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
 		return 13 * 512 * 8 * 1000 * 8;
 	else
-		return 19 *  64 * 1 * 1000 * 8;
+		return 19 * 64 * 1 * 1000 * 8;
 }
 
 /*-------------------------------------------------------------------------*/
@@ -210,8 +212,10 @@ static struct usb_descriptor_header *ecm_fs_function[] = {
 	(struct usb_descriptor_header *) &ecm_header_desc,
 	(struct usb_descriptor_header *) &ecm_union_desc,
 	(struct usb_descriptor_header *) &ecm_desc,
+
 	/* NOTE: status endpoint might need to be removed */
 	(struct usb_descriptor_header *) &fs_ecm_notify_desc,
+
 	/* data interface, altsettings 0 and 1 */
 	(struct usb_descriptor_header *) &ecm_data_nop_intf,
 	(struct usb_descriptor_header *) &ecm_data_intf,
@@ -231,6 +235,7 @@ static struct usb_endpoint_descriptor hs_ecm_notify_desc = {
 	.wMaxPacketSize =	cpu_to_le16(ECM_STATUS_BYTECOUNT),
 	.bInterval =		LOG2_STATUS_INTERVAL_MSEC + 4,
 };
+
 static struct usb_endpoint_descriptor hs_ecm_in_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
@@ -255,8 +260,10 @@ static struct usb_descriptor_header *ecm_hs_function[] = {
 	(struct usb_descriptor_header *) &ecm_header_desc,
 	(struct usb_descriptor_header *) &ecm_union_desc,
 	(struct usb_descriptor_header *) &ecm_desc,
+
 	/* NOTE: status endpoint might need to be removed */
 	(struct usb_descriptor_header *) &hs_ecm_notify_desc,
+
 	/* data interface, altsettings 0 and 1 */
 	(struct usb_descriptor_header *) &ecm_data_nop_intf,
 	(struct usb_descriptor_header *) &ecm_data_intf,
@@ -265,6 +272,76 @@ static struct usb_descriptor_header *ecm_hs_function[] = {
 	NULL,
 };
 
+/* super speed support: */
+
+static struct usb_endpoint_descriptor ss_ecm_notify_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_XFER_INT,
+	.wMaxPacketSize =	cpu_to_le16(ECM_STATUS_BYTECOUNT),
+	.bInterval =		LOG2_STATUS_INTERVAL_MSEC + 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_ecm_intr_comp_desc = {
+	.bLength =		sizeof ss_ecm_intr_comp_desc,
+	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
+
+	/* the following 3 values can be tweaked if necessary */
+	/* .bMaxBurst =		0, */
+	/* .bmAttributes =	0, */
+	.wBytesPerInterval =	cpu_to_le16(ECM_STATUS_BYTECOUNT),
+};
+
+static struct usb_endpoint_descriptor ss_ecm_in_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor ss_ecm_out_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	USB_DIR_OUT,
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor ss_ecm_bulk_comp_desc = {
+	.bLength =		sizeof ss_ecm_bulk_comp_desc,
+	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
+
+	/* the following 2 values can be tweaked if necessary */
+	/* .bMaxBurst =		0, */
+	/* .bmAttributes =	0, */
+};
+
+static struct usb_descriptor_header *ecm_ss_function[] = {
+	/* CDC ECM control descriptors */
+	(struct usb_descriptor_header *) &ecm_control_intf,
+	(struct usb_descriptor_header *) &ecm_header_desc,
+	(struct usb_descriptor_header *) &ecm_union_desc,
+	(struct usb_descriptor_header *) &ecm_desc,
+
+	/* NOTE: status endpoint might need to be removed */
+	(struct usb_descriptor_header *) &ss_ecm_notify_desc,
+	(struct usb_descriptor_header *) &ss_ecm_intr_comp_desc,
+
+	/* data interface, altsettings 0 and 1 */
+	(struct usb_descriptor_header *) &ecm_data_nop_intf,
+	(struct usb_descriptor_header *) &ecm_data_intf,
+	(struct usb_descriptor_header *) &ss_ecm_in_desc,
+	(struct usb_descriptor_header *) &ss_ecm_bulk_comp_desc,
+	(struct usb_descriptor_header *) &ss_ecm_out_desc,
+	(struct usb_descriptor_header *) &ss_ecm_bulk_comp_desc,
+	NULL,
+};
+
 /* string descriptors: */
 
 static struct usb_string ecm_string_defs[] = {
@@ -679,6 +756,20 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 			goto fail;
 	}
 
+	if (gadget_is_superspeed(c->cdev->gadget)) {
+		ss_ecm_in_desc.bEndpointAddress =
+				fs_ecm_in_desc.bEndpointAddress;
+		ss_ecm_out_desc.bEndpointAddress =
+				fs_ecm_out_desc.bEndpointAddress;
+		ss_ecm_notify_desc.bEndpointAddress =
+				fs_ecm_notify_desc.bEndpointAddress;
+
+		/* copy descriptors, and track endpoint copies */
+		f->ss_descriptors = usb_copy_descriptors(ecm_ss_function);
+		if (!f->ss_descriptors)
+			goto fail;
+	}
+
 	/* NOTE:  all that is done without knowing or caring about
 	 * the network link ... which is unavailable to this code
 	 * until we're activated via set_alt().
@@ -688,6 +779,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 	ecm->port.close = ecm_close;
 
 	DBG(cdev, "CDC Ethernet: %s speed IN/%s OUT/%s NOTIFY/%s\n",
+			gadget_is_superspeed(c->cdev->gadget) ? "super" :
 			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
 			ecm->port.in_ep->name, ecm->port.out_ep->name,
 			ecm->notify->name);
@@ -696,6 +788,8 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
 fail:
 	if (f->descriptors)
 		usb_free_descriptors(f->descriptors);
+	if (f->hs_descriptors)
+		usb_free_descriptors(f->hs_descriptors);
 
 	if (ecm->notify_req) {
 		kfree(ecm->notify_req->buf);
@@ -722,6 +816,8 @@ ecm_unbind(struct usb_configuration *c, struct usb_function *f)
 
 	DBG(c->cdev, "ecm unbind\n");
 
+	if (gadget_is_superspeed(c->cdev->gadget))
+		usb_free_descriptors(f->ss_descriptors);
 	if (gadget_is_dualspeed(c->cdev->gadget))
 		usb_free_descriptors(f->hs_descriptors);
 	usb_free_descriptors(f->descriptors);

drivers/usb/gadget/f_eem.c

@@ -115,6 +115,45 @@ static struct usb_descriptor_header *eem_hs_function[] __initdata = {
 	NULL,
 };
 
+/* super speed support: */
+
+static struct usb_endpoint_descriptor eem_ss_in_desc __initdata = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	USB_DIR_IN,
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor eem_ss_out_desc __initdata = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	USB_DIR_OUT,
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor eem_ss_bulk_comp_desc __initdata = {
+	.bLength =		sizeof eem_ss_bulk_comp_desc,
+	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
+
+	/* the following 2 values can be tweaked if necessary */
+	/* .bMaxBurst =		0, */
+	/* .bmAttributes =	0, */
+};
+
+static struct usb_descriptor_header *eem_ss_function[] __initdata = {
+	/* CDC EEM control descriptors */
+	(struct usb_descriptor_header *) &eem_intf,
+	(struct usb_descriptor_header *) &eem_ss_in_desc,
+	(struct usb_descriptor_header *) &eem_ss_bulk_comp_desc,
+	(struct usb_descriptor_header *) &eem_ss_out_desc,
+	(struct usb_descriptor_header *) &eem_ss_bulk_comp_desc,
+	NULL,
+};
+
 /* string descriptors: */
 
 static struct usb_string eem_string_defs[] = {
@@ -265,14 +304,29 @@ eem_bind(struct usb_configuration *c, struct usb_function *f)
 			goto fail;
 	}
 
+	if (gadget_is_superspeed(c->cdev->gadget)) {
+		eem_ss_in_desc.bEndpointAddress =
+				eem_fs_in_desc.bEndpointAddress;
+		eem_ss_out_desc.bEndpointAddress =
+				eem_fs_out_desc.bEndpointAddress;
+
+		/* copy descriptors, and track endpoint copies */
+		f->ss_descriptors = usb_copy_descriptors(eem_ss_function);
+		if (!f->ss_descriptors)
+			goto fail;
+	}
+
 	DBG(cdev, "CDC Ethernet (EEM): %s speed IN/%s OUT/%s\n",
+			gadget_is_superspeed(c->cdev->gadget) ? "super" :
 			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
 			eem->port.in_ep->name, eem->port.out_ep->name);
 	return 0;
 
 fail:
 	if (f->descriptors)
 		usb_free_descriptors(f->descriptors);
+	if (f->hs_descriptors)
+		usb_free_descriptors(f->hs_descriptors);
 
 	/* we might as well release our claims on endpoints */
 	if (eem->port.out_ep->desc)
@@ -292,6 +346,8 @@ eem_unbind(struct usb_configuration *c, struct usb_function *f)
 
 	DBG(c->cdev, "eem unbind\n");
 
+	if (gadget_is_superspeed(c->cdev->gadget))
+		usb_free_descriptors(f->ss_descriptors);
 	if (gadget_is_dualspeed(c->cdev->gadget))
 		usb_free_descriptors(f->hs_descriptors);
 	usb_free_descriptors(f->descriptors);

drivers/usb/gadget/f_loopback.c

@@ -118,6 +118,49 @@ static struct usb_descriptor_header *hs_loopback_descs[] = {
 	NULL,
 };
 
+/* super speed support: */
+
+static struct usb_endpoint_descriptor ss_loop_source_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+struct usb_ss_ep_comp_descriptor ss_loop_source_comp_desc = {
+	.bLength =		USB_DT_SS_EP_COMP_SIZE,
+	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst =		0,
+	.bmAttributes =		0,
+	.wBytesPerInterval =	0,
+};
+
+static struct usb_endpoint_descriptor ss_loop_sink_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize =	cpu_to_le16(1024),
+};
+
+struct usb_ss_ep_comp_descriptor ss_loop_sink_comp_desc = {
+	.bLength =		USB_DT_SS_EP_COMP_SIZE,
+	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
+	.bMaxBurst =		0,
+	.bmAttributes =		0,
+	.wBytesPerInterval =	0,
+};
+
+static struct usb_descriptor_header *ss_loopback_descs[] = {
+	(struct usb_descriptor_header *) &loopback_intf,
+	(struct usb_descriptor_header *) &ss_loop_source_desc,
+	(struct usb_descriptor_header *) &ss_loop_source_comp_desc,
+	(struct usb_descriptor_header *) &ss_loop_sink_desc,
+	(struct usb_descriptor_header *) &ss_loop_sink_comp_desc,
+	NULL,
+};
+
 /* function-specific strings: */
 
 static struct usb_string strings_loopback[] = {
@@ -175,8 +218,18 @@ loopback_bind(struct usb_configuration *c, struct usb_function *f)
 		f->hs_descriptors = hs_loopback_descs;
 	}
 
+	/* support super speed hardware */
+	if (gadget_is_superspeed(c->cdev->gadget)) {
+		ss_loop_source_desc.bEndpointAddress =
+				fs_loop_source_desc.bEndpointAddress;
+		ss_loop_sink_desc.bEndpointAddress =
+				fs_loop_sink_desc.bEndpointAddress;
+		f->ss_descriptors = ss_loopback_descs;
+	}
+
 	DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n",
-			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
+	    (gadget_is_superspeed(c->cdev->gadget) ? "super" :
+	     (gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full")),
 			f->name, loop->in_ep->name, loop->out_ep->name);
 	return 0;
 }