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-rw-r--r--drivers/usb/gadget/f_acm.c4
-rw-r--r--drivers/usb/gadget/f_rndis.c3
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c16
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c2
4 files changed, 14 insertions, 11 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index 5ee1590b8e9c..c1d34df0b157 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -463,7 +463,11 @@ static int acm_cdc_notify(struct f_acm *acm, u8 type, u16 value,
notify->wLength = cpu_to_le16(length);
memcpy(buf, data, length);
+ /* ep_queue() can complete immediately if it fills the fifo... */
+ spin_unlock(&acm->lock);
status = usb_ep_queue(ep, req, GFP_ATOMIC);
+ spin_lock(&acm->lock);
+
if (status < 0) {
ERROR(acm->port.func.config->cdev,
"acm ttyGS%d can't notify serial state, %d\n",
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 659b3d9671c4..428b5993575a 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -172,7 +172,6 @@ static struct usb_interface_descriptor rndis_data_intf __initdata = {
.bDescriptorType = USB_DT_INTERFACE,
/* .bInterfaceNumber = DYNAMIC */
- .bAlternateSetting = 1,
.bNumEndpoints = 2,
.bInterfaceClass = USB_CLASS_CDC_DATA,
.bInterfaceSubClass = 0,
@@ -303,7 +302,7 @@ static void rndis_response_available(void *_rndis)
__le32 *data = req->buf;
int status;
- if (atomic_inc_return(&rndis->notify_count))
+ if (atomic_inc_return(&rndis->notify_count) != 1)
return;
/* Send RNDIS RESPONSE_AVAILABLE notification; a
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index da6e93c201d2..8c5026be79d4 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -141,7 +141,11 @@ static int is_vbus_present(void)
if (mach->gpio_vbus) {
int value = gpio_get_value(mach->gpio_vbus);
- return mach->gpio_vbus_inverted ? !value : value;
+
+ if (mach->gpio_vbus_inverted)
+ return !value;
+ else
+ return !!value;
}
if (mach->udc_is_connected)
return mach->udc_is_connected();
@@ -982,7 +986,7 @@ static int pxa25x_udc_vbus_session(struct usb_gadget *_gadget, int is_active)
struct pxa25x_udc *udc;
udc = container_of(_gadget, struct pxa25x_udc, gadget);
- udc->vbus = (is_active != 0);
+ udc->vbus = is_active;
DMSG("vbus %s\n", is_active ? "supplied" : "inactive");
pullup(udc);
return 0;
@@ -1399,12 +1403,8 @@ lubbock_vbus_irq(int irq, void *_dev)
static irqreturn_t udc_vbus_irq(int irq, void *_dev)
{
struct pxa25x_udc *dev = _dev;
- int vbus = gpio_get_value(dev->mach->gpio_vbus);
- if (dev->mach->gpio_vbus_inverted)
- vbus = !vbus;
-
- pxa25x_udc_vbus_session(&dev->gadget, vbus);
+ pxa25x_udc_vbus_session(&dev->gadget, is_vbus_present());
return IRQ_HANDLED;
}
@@ -2145,7 +2145,7 @@ static int __init pxa25x_udc_probe(struct platform_device *pdev)
if (irq < 0)
return -ENODEV;
- dev->clk = clk_get(&pdev->dev, "UDCCLK");
+ dev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(dev->clk)) {
retval = PTR_ERR(dev->clk);
goto err_clk;
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index caa37c95802c..944e4ff641df 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -2226,7 +2226,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
udc->dev = &pdev->dev;
udc->mach = pdev->dev.platform_data;
- udc->clk = clk_get(&pdev->dev, "UDCCLK");
+ udc->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(udc->clk)) {
retval = PTR_ERR(udc->clk);
goto err_clk;