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path: root/drivers/usb/cdns3/ep0.c
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Diffstat (limited to 'drivers/usb/cdns3/ep0.c')
-rw-r--r--drivers/usb/cdns3/ep0.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 82645a2a0f52..5aa69980e7ff 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -37,18 +37,18 @@ static void cdns3_ep0_run_transfer(struct cdns3_device *priv_dev,
struct cdns3_usb_regs __iomem *regs = priv_dev->regs;
struct cdns3_endpoint *priv_ep = priv_dev->eps[0];
- priv_ep->trb_pool[0].buffer = TRB_BUFFER(dma_addr);
- priv_ep->trb_pool[0].length = TRB_LEN(length);
+ priv_ep->trb_pool[0].buffer = cpu_to_le32(TRB_BUFFER(dma_addr));
+ priv_ep->trb_pool[0].length = cpu_to_le32(TRB_LEN(length));
if (zlp) {
- priv_ep->trb_pool[0].control = TRB_CYCLE | TRB_TYPE(TRB_NORMAL);
- priv_ep->trb_pool[1].buffer = TRB_BUFFER(dma_addr);
- priv_ep->trb_pool[1].length = TRB_LEN(0);
- priv_ep->trb_pool[1].control = TRB_CYCLE | TRB_IOC |
- TRB_TYPE(TRB_NORMAL);
+ priv_ep->trb_pool[0].control = cpu_to_le32(TRB_CYCLE | TRB_TYPE(TRB_NORMAL));
+ priv_ep->trb_pool[1].buffer = cpu_to_le32(TRB_BUFFER(dma_addr));
+ priv_ep->trb_pool[1].length = cpu_to_le32(TRB_LEN(0));
+ priv_ep->trb_pool[1].control = cpu_to_le32(TRB_CYCLE | TRB_IOC |
+ TRB_TYPE(TRB_NORMAL));
} else {
- priv_ep->trb_pool[0].control = TRB_CYCLE | TRB_IOC |
- TRB_TYPE(TRB_NORMAL);
+ priv_ep->trb_pool[0].control = cpu_to_le32(TRB_CYCLE | TRB_IOC |
+ TRB_TYPE(TRB_NORMAL));
priv_ep->trb_pool[1].control = 0;
}
@@ -264,11 +264,11 @@ static int cdns3_req_ep0_get_status(struct cdns3_device *priv_dev,
case USB_RECIP_INTERFACE:
return cdns3_ep0_delegate_req(priv_dev, ctrl);
case USB_RECIP_ENDPOINT:
- index = cdns3_ep_addr_to_index(ctrl->wIndex);
+ index = cdns3_ep_addr_to_index(le16_to_cpu(ctrl->wIndex));
priv_ep = priv_dev->eps[index];
/* check if endpoint is stalled or stall is pending */
- cdns3_select_ep(priv_dev, ctrl->wIndex);
+ cdns3_select_ep(priv_dev, le16_to_cpu(ctrl->wIndex));
if (EP_STS_STALL(readl(&priv_dev->regs->ep_sts)) ||
(priv_ep->flags & EP_STALL_PENDING))
usb_status = BIT(USB_ENDPOINT_HALT);
@@ -327,7 +327,8 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev,
if (!set || (tmode & 0xff) != 0)
return -EINVAL;
- switch (tmode >> 8) {
+ tmode >>= 8;
+ switch (tmode) {
case TEST_J:
case TEST_K:
case TEST_SE0_NAK:
@@ -380,10 +381,10 @@ static int cdns3_ep0_feature_handle_endpoint(struct cdns3_device *priv_dev,
if (!(ctrl->wIndex & ~USB_DIR_IN))
return 0;
- index = cdns3_ep_addr_to_index(ctrl->wIndex);
+ index = cdns3_ep_addr_to_index(le16_to_cpu(ctrl->wIndex));
priv_ep = priv_dev->eps[index];
- cdns3_select_ep(priv_dev, ctrl->wIndex);
+ cdns3_select_ep(priv_dev, le16_to_cpu(ctrl->wIndex));
if (set)
__cdns3_gadget_ep_set_halt(priv_ep);
@@ -444,7 +445,7 @@ static int cdns3_req_ep0_set_sel(struct cdns3_device *priv_dev,
if (priv_dev->gadget.state < USB_STATE_ADDRESS)
return -EINVAL;
- if (ctrl_req->wLength != 6) {
+ if (le16_to_cpu(ctrl_req->wLength) != 6) {
dev_err(priv_dev->dev, "Set SEL should be 6 bytes, got %d\n",
ctrl_req->wLength);
return -EINVAL;
@@ -468,7 +469,7 @@ static int cdns3_req_ep0_set_isoch_delay(struct cdns3_device *priv_dev,
if (ctrl_req->wIndex || ctrl_req->wLength)
return -EINVAL;
- priv_dev->isoch_delay = ctrl_req->wValue;
+ priv_dev->isoch_delay = le16_to_cpu(ctrl_req->wValue);
return 0;
}
@@ -704,15 +705,17 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
int ret = 0;
u8 zlp = 0;
+ spin_lock_irqsave(&priv_dev->lock, flags);
trace_cdns3_ep0_queue(priv_dev, request);
/* cancel the request if controller receive new SETUP packet. */
- if (cdns3_check_new_setup(priv_dev))
+ if (cdns3_check_new_setup(priv_dev)) {
+ spin_unlock_irqrestore(&priv_dev->lock, flags);
return -ECONNRESET;
+ }
/* send STATUS stage. Should be called only for SET_CONFIGURATION */
if (priv_dev->ep0_stage == CDNS3_STATUS_STAGE) {
- spin_lock_irqsave(&priv_dev->lock, flags);
cdns3_select_ep(priv_dev, 0x00);
erdy_sent = !priv_dev->hw_configured_flag;
@@ -737,7 +740,6 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
return 0;
}
- spin_lock_irqsave(&priv_dev->lock, flags);
if (!list_empty(&priv_ep->pending_req_list)) {
dev_err(priv_dev->dev,
"can't handle multiple requests for ep0\n");