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path: root/drivers/usb/cdns3/gadget.c
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Diffstat (limited to 'drivers/usb/cdns3/gadget.c')
-rw-r--r--drivers/usb/cdns3/gadget.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 5e24c2e57c0d..dea649ee173b 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -242,9 +242,10 @@ int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep)
return -ENOMEM;
priv_ep->alloc_ring_size = ring_size;
- memset(priv_ep->trb_pool, 0, ring_size);
}
+ memset(priv_ep->trb_pool, 0, ring_size);
+
priv_ep->num_trbs = num_trbs;
if (!priv_ep->num)
@@ -421,7 +422,7 @@ static int cdns3_start_all_request(struct cdns3_device *priv_dev,
if ((priv_req->flags & REQUEST_INTERNAL) ||
(priv_ep->flags & EP_TDLCHK_EN) ||
priv_ep->use_streams) {
- trace_printk("Blocking external request\n");
+ dev_dbg(priv_dev->dev, "Blocking external request\n");
return ret;
}
}
@@ -644,7 +645,7 @@ static void cdns3_wa2_remove_old_request(struct cdns3_endpoint *priv_ep)
/**
* cdns3_wa2_descmissing_packet - handles descriptor missing event.
- * @priv_dev: extended gadget object
+ * @priv_ep: extended gadget object
*
* This function is used only for WA2. For more information see Work around 2
* description.
@@ -1080,6 +1081,7 @@ static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
/**
* cdns3_ep_run_transfer - start transfer on no-default endpoint hardware
* @priv_ep: endpoint object
+ * @request: request object
*
* Returns zero on success or negative value on failure
*/
@@ -1314,7 +1316,6 @@ void cdns3_set_hw_configuration(struct cdns3_device *priv_dev)
return;
writel(USB_CONF_CFGSET, &priv_dev->regs->usb_conf);
- writel(EP_CMD_ERDY | EP_CMD_REQ_CMPL, &priv_dev->regs->ep_cmd);
cdns3_set_register_bit(&priv_dev->regs->usb_conf,
USB_CONF_U1EN | USB_CONF_U2EN);
@@ -1331,6 +1332,8 @@ void cdns3_set_hw_configuration(struct cdns3_device *priv_dev)
cdns3_start_all_request(priv_dev, priv_ep);
}
}
+
+ cdns3_allow_enable_l1(priv_dev, 1);
}
/**
@@ -1809,8 +1812,8 @@ static irqreturn_t cdns3_device_thread_irq_handler(int irq, void *data)
struct cdns3_device *priv_dev = data;
irqreturn_t ret = IRQ_NONE;
unsigned long flags;
- int bit;
- u32 reg;
+ unsigned int bit;
+ unsigned long reg;
spin_lock_irqsave(&priv_dev->lock, flags);
@@ -1841,7 +1844,7 @@ static irqreturn_t cdns3_device_thread_irq_handler(int irq, void *data)
if (!reg)
goto irqend;
- for_each_set_bit(bit, (unsigned long *)&reg,
+ for_each_set_bit(bit, &reg,
sizeof(u32) * BITS_PER_BYTE) {
cdns3_check_ep_interrupt_proceed(priv_dev->eps[bit]);
ret = IRQ_HANDLED;
@@ -2568,7 +2571,7 @@ not_found:
/**
* __cdns3_gadget_ep_set_halt Sets stall on selected endpoint
* Should be called after acquiring spin_lock and selecting ep
- * @ep: endpoint object to set stall on.
+ * @priv_ep: endpoint object to set stall on.
*/
void __cdns3_gadget_ep_set_halt(struct cdns3_endpoint *priv_ep)
{
@@ -2589,7 +2592,7 @@ void __cdns3_gadget_ep_set_halt(struct cdns3_endpoint *priv_ep)
/**
* __cdns3_gadget_ep_clear_halt Clears stall on selected endpoint
* Should be called after acquiring spin_lock and selecting ep
- * @ep: endpoint object to clear stall on
+ * @priv_ep: endpoint object to clear stall on
*/
int __cdns3_gadget_ep_clear_halt(struct cdns3_endpoint *priv_ep)
{
@@ -2814,7 +2817,7 @@ static int cdns3_gadget_udc_start(struct usb_gadget *gadget,
dev_err(priv_dev->dev,
"invalid maximum_speed parameter %d\n",
max_speed);
- /* fall through */
+ fallthrough;
case USB_SPEED_UNKNOWN:
/* default to superspeed */
max_speed = USB_SPEED_SUPER;
@@ -2890,7 +2893,7 @@ static void cdns3_free_all_eps(struct cdns3_device *priv_dev)
/**
* cdns3_init_eps Initializes software endpoints of gadget
- * @cdns3: extended gadget object
+ * @priv_dev: extended gadget object
*
* Returns 0 on success, error code elsewhere
*/
@@ -3014,7 +3017,7 @@ void cdns3_gadget_exit(struct cdns3 *cdns)
kfree(priv_dev->zlp_buf);
kfree(priv_dev);
cdns->gadget_dev = NULL;
- cdns3_drd_switch_gadget(cdns, 0);
+ cdns3_drd_gadget_off(cdns);
}
static int cdns3_gadget_start(struct cdns3 *cdns)
@@ -3055,7 +3058,7 @@ static int cdns3_gadget_start(struct cdns3 *cdns)
default:
dev_err(cdns->dev, "invalid maximum_speed parameter %d\n",
max_speed);
- /* fall through */
+ fallthrough;
case USB_SPEED_UNKNOWN:
/* default to superspeed */
max_speed = USB_SPEED_SUPER;
@@ -3145,7 +3148,7 @@ static int __cdns3_gadget_init(struct cdns3 *cdns)
return ret;
}
- cdns3_drd_switch_gadget(cdns, 1);
+ cdns3_drd_gadget_on(cdns);
pm_runtime_get_sync(cdns->dev);
ret = cdns3_gadget_start(cdns);
@@ -3202,7 +3205,7 @@ static int cdns3_gadget_resume(struct cdns3 *cdns, bool hibernated)
/**
* cdns3_gadget_init - initialize device structure
*
- * cdns: cdns3 instance
+ * @cdns: cdns3 instance
*
* This function initializes the gadget.
*/