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path: root/drivers/usb/gadget/udc
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Diffstat (limited to 'drivers/usb/gadget/udc')
-rw-r--r--drivers/usb/gadget/udc/fotg210-udc.c15
-rw-r--r--drivers/usb/gadget/udc/net2280.c16
-rw-r--r--drivers/usb/gadget/udc/renesas_usb3.c5
3 files changed, 28 insertions, 8 deletions
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index 53a48f561458..587c5037ff07 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -1063,12 +1063,15 @@ static const struct usb_gadget_ops fotg210_gadget_ops = {
static int fotg210_udc_remove(struct platform_device *pdev)
{
struct fotg210_udc *fotg210 = platform_get_drvdata(pdev);
+ int i;
usb_del_gadget_udc(&fotg210->gadget);
iounmap(fotg210->reg);
free_irq(platform_get_irq(pdev, 0), fotg210);
fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
+ for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+ kfree(fotg210->ep[i]);
kfree(fotg210);
return 0;
@@ -1099,7 +1102,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
/* initialize udc */
fotg210 = kzalloc(sizeof(struct fotg210_udc), GFP_KERNEL);
if (fotg210 == NULL)
- goto err_alloc;
+ goto err;
for (i = 0; i < FOTG210_MAX_NUM_EP; i++) {
_ep[i] = kzalloc(sizeof(struct fotg210_ep), GFP_KERNEL);
@@ -1111,7 +1114,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
fotg210->reg = ioremap(res->start, resource_size(res));
if (fotg210->reg == NULL) {
pr_err("ioremap error.\n");
- goto err_map;
+ goto err_alloc;
}
spin_lock_init(&fotg210->lock);
@@ -1159,7 +1162,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
fotg210->ep0_req = fotg210_ep_alloc_request(&fotg210->ep[0]->ep,
GFP_KERNEL);
if (fotg210->ep0_req == NULL)
- goto err_req;
+ goto err_map;
fotg210_init(fotg210);
@@ -1187,12 +1190,14 @@ err_req:
fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
err_map:
- if (fotg210->reg)
- iounmap(fotg210->reg);
+ iounmap(fotg210->reg);
err_alloc:
+ for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+ kfree(fotg210->ep[i]);
kfree(fotg210);
+err:
return ret;
}
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 318246d8b2e2..b02ab2a8d927 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1545,11 +1545,14 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on)
writel(tmp | BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);
} else {
writel(tmp & ~BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);
- stop_activity(dev, dev->driver);
+ stop_activity(dev, NULL);
}
spin_unlock_irqrestore(&dev->lock, flags);
+ if (!is_on && dev->driver)
+ dev->driver->disconnect(&dev->gadget);
+
return 0;
}
@@ -2466,8 +2469,11 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver)
nuke(&dev->ep[i]);
/* report disconnect; the driver is already quiesced */
- if (driver)
+ if (driver) {
+ spin_unlock(&dev->lock);
driver->disconnect(&dev->gadget);
+ spin_lock(&dev->lock);
+ }
usb_reinit(dev);
}
@@ -3341,6 +3347,8 @@ next_endpoints:
BIT(PCI_RETRY_ABORT_INTERRUPT))
static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
+__releases(dev->lock)
+__acquires(dev->lock)
{
struct net2280_ep *ep;
u32 tmp, num, mask, scratch;
@@ -3381,12 +3389,14 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
if (disconnect || reset) {
stop_activity(dev, dev->driver);
ep0_start(dev);
+ spin_unlock(&dev->lock);
if (reset)
usb_gadget_udc_reset
(&dev->gadget, dev->driver);
else
(dev->driver->disconnect)
(&dev->gadget);
+ spin_lock(&dev->lock);
return;
}
}
@@ -3405,6 +3415,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
tmp = BIT(SUSPEND_REQUEST_CHANGE_INTERRUPT);
if (stat & tmp) {
writel(tmp, &dev->regs->irqstat1);
+ spin_unlock(&dev->lock);
if (stat & BIT(SUSPEND_REQUEST_INTERRUPT)) {
if (dev->driver->suspend)
dev->driver->suspend(&dev->gadget);
@@ -3415,6 +3426,7 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
dev->driver->resume(&dev->gadget);
/* at high speed, note erratum 0133 */
}
+ spin_lock(&dev->lock);
stat &= ~tmp;
}
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 1f879b3f2c96..e1656f361e08 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -812,12 +812,15 @@ static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3)
switch (speed) {
case USB_STA_SPEED_SS:
usb3->gadget.speed = USB_SPEED_SUPER;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE;
break;
case USB_STA_SPEED_HS:
usb3->gadget.speed = USB_SPEED_HIGH;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
break;
case USB_STA_SPEED_FS:
usb3->gadget.speed = USB_SPEED_FULL;
+ usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE;
break;
default:
usb3->gadget.speed = USB_SPEED_UNKNOWN;
@@ -2513,7 +2516,7 @@ static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev,
/* for control pipe */
usb3->gadget.ep0 = &usb3_ep->ep;
usb_ep_set_maxpacket_limit(&usb3_ep->ep,
- USB3_EP0_HSFS_MAX_PACKET_SIZE);
+ USB3_EP0_SS_MAX_PACKET_SIZE);
usb3_ep->ep.caps.type_control = true;
usb3_ep->ep.caps.dir_in = true;
usb3_ep->ep.caps.dir_out = true;