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path: root/drivers/usb/gadget
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Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/function/f_fs.c1
-rw-r--r--drivers/usb/gadget/function/f_hid.c6
-rw-r--r--drivers/usb/gadget/function/f_sourcesink.c2
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c19
-rw-r--r--drivers/usb/gadget/udc/net2272.c3
-rw-r--r--drivers/usb/gadget/udc/net2280.c8
-rw-r--r--drivers/usb/gadget/udc/renesas_usb3.c15
7 files changed, 35 insertions, 19 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 4d6741a54dd0..5e9269cd14fa 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1008,6 +1008,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
* condition with req->complete callback.
*/
usb_ep_dequeue(ep->ep, req);
+ wait_for_completion(&done);
interrupted = ep->status < 0;
}
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 54e859dcb25c..492bb44153b3 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -391,20 +391,20 @@ try_again:
req->complete = f_hidg_req_complete;
req->context = hidg;
+ spin_unlock_irqrestore(&hidg->write_spinlock, flags);
+
status = usb_ep_queue(hidg->in_ep, req, GFP_ATOMIC);
if (status < 0) {
ERROR(hidg->func.config->cdev,
"usb_ep_queue error on int endpoint %zd\n", status);
- goto release_write_pending_unlocked;
+ goto release_write_pending;
} else {
status = count;
}
- spin_unlock_irqrestore(&hidg->write_spinlock, flags);
return status;
release_write_pending:
spin_lock_irqsave(&hidg->write_spinlock, flags);
-release_write_pending_unlocked:
hidg->write_pending = 0;
spin_unlock_irqrestore(&hidg->write_spinlock, flags);
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 9cdef108fb1b..ed68a4860b7d 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -838,7 +838,7 @@ static struct usb_function *source_sink_alloc_func(
ss = kzalloc(sizeof(*ss), GFP_KERNEL);
if (!ss)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ss_opts = container_of(fi, struct f_ss_opts, func_inst);
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index baf72f95f0f1..213b52508621 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -979,8 +979,18 @@ static int dummy_udc_start(struct usb_gadget *g,
struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
struct dummy *dum = dum_hcd->dum;
- if (driver->max_speed == USB_SPEED_UNKNOWN)
+ switch (g->speed) {
+ /* All the speeds we support */
+ case USB_SPEED_LOW:
+ case USB_SPEED_FULL:
+ case USB_SPEED_HIGH:
+ case USB_SPEED_SUPER:
+ break;
+ default:
+ dev_err(dummy_dev(dum_hcd), "Unsupported driver max speed %d\n",
+ driver->max_speed);
return -EINVAL;
+ }
/*
* SLAVE side init ... the layer above hardware, which
@@ -1784,9 +1794,10 @@ static void dummy_timer(struct timer_list *t)
/* Bus speed is 500000 bytes/ms, so use a little less */
total = 490000;
break;
- default:
+ default: /* Can't happen */
dev_err(dummy_dev(dum_hcd), "bogus device speed\n");
- return;
+ total = 0;
+ break;
}
/* FIXME if HZ != 1000 this will probably misbehave ... */
@@ -1828,7 +1839,7 @@ restart:
/* Used up this frame's bandwidth? */
if (total <= 0)
- break;
+ continue;
/* find the gadget's ep for this request (if configured) */
address = usb_pipeendpoint (urb->pipe);
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 660878a19505..c2011cd7df8c 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -945,6 +945,7 @@ net2272_dequeue(struct usb_ep *_ep, struct usb_request *_req)
break;
}
if (&req->req != _req) {
+ ep->stopped = stopped;
spin_unlock_irqrestore(&ep->dev->lock, flags);
return -EINVAL;
}
@@ -2083,7 +2084,7 @@ static irqreturn_t net2272_irq(int irq, void *_dev)
#if defined(PLX_PCI_RDK2)
/* see if PCI int for us by checking irqstat */
intcsr = readl(dev->rdk2.fpga_base_addr + RDK2_IRQSTAT);
- if (!intcsr & (1 << NET2272_PCI_IRQ)) {
+ if (!(intcsr & (1 << NET2272_PCI_IRQ))) {
spin_unlock(&dev->lock);
return IRQ_NONE;
}
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index b02ab2a8d927..ee872cad5270 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -866,9 +866,6 @@ static void start_queue(struct net2280_ep *ep, u32 dmactl, u32 td_dma)
(void) readl(&ep->dev->pci->pcimstctl);
writel(BIT(DMA_START), &dma->dmastat);
-
- if (!ep->is_in)
- stop_out_naking(ep);
}
static void start_dma(struct net2280_ep *ep, struct net2280_request *req)
@@ -907,6 +904,7 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req)
writel(BIT(DMA_START), &dma->dmastat);
return;
}
+ stop_out_naking(ep);
}
tmp = dmactl_default;
@@ -1275,9 +1273,9 @@ static int net2280_dequeue(struct usb_ep *_ep, struct usb_request *_req)
break;
}
if (&req->req != _req) {
+ ep->stopped = stopped;
spin_unlock_irqrestore(&ep->dev->lock, flags);
- dev_err(&ep->dev->pdev->dev, "%s: Request mismatch\n",
- __func__);
+ ep_dbg(ep->dev, "%s: Request mismatch\n", __func__);
return -EINVAL;
}
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 67d8a501d994..fea02c7ad4f4 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -358,6 +358,7 @@ struct renesas_usb3 {
bool extcon_host; /* check id and set EXTCON_USB_HOST */
bool extcon_usb; /* check vbus and set EXTCON_USB */
bool forced_b_device;
+ bool start_to_connect;
};
#define gadget_to_renesas_usb3(_gadget) \
@@ -476,7 +477,8 @@ static void usb3_init_axi_bridge(struct renesas_usb3 *usb3)
static void usb3_init_epc_registers(struct renesas_usb3 *usb3)
{
usb3_write(usb3, ~0, USB3_USB_INT_STA_1);
- usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
+ if (!usb3->workaround_for_vbus)
+ usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
}
static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3)
@@ -700,8 +702,7 @@ static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev)
usb3_set_mode_by_role_sw(usb3, host);
usb3_vbus_out(usb3, a_dev);
/* for A-Peripheral or forced B-device mode */
- if ((!host && a_dev) ||
- (usb3->workaround_for_vbus && usb3->forced_b_device))
+ if ((!host && a_dev) || usb3->start_to_connect)
usb3_connect(usb3);
spin_unlock_irqrestore(&usb3->lock, flags);
}
@@ -2432,7 +2433,11 @@ static ssize_t renesas_usb3_b_device_write(struct file *file,
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;
- if (!strncmp(buf, "1", 1))
+ usb3->start_to_connect = false;
+ if (usb3->workaround_for_vbus && usb3->forced_b_device &&
+ !strncmp(buf, "2", 1))
+ usb3->start_to_connect = true;
+ else if (!strncmp(buf, "1", 1))
usb3->forced_b_device = true;
else
usb3->forced_b_device = false;
@@ -2440,7 +2445,7 @@ static ssize_t renesas_usb3_b_device_write(struct file *file,
if (usb3->workaround_for_vbus)
usb3_disconnect(usb3);
- /* Let this driver call usb3_connect() anyway */
+ /* Let this driver call usb3_connect() if needed */
usb3_check_id(usb3);
return count;
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-30 08:52:37 +0000