usb: cdnsp: Fixes for sparse warnings

Patch fixes all sparse warnings in cdsnp driver.

It fixes the following warnings:
cdnsp-ring.c:1441: warning: incorrect type in assignment
cdnsp-ring.c:1444: warning: restricted __le32 degrades to integer
cdnsp-ring.c:2200: warning: dubious: x | !y
cdnsp-gadget.c:501: warning: incorrect type in assignment
cdnsp-gadget.c:504: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:507: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:508: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:509: warning: invalid assignment: |=
cdnsp-gadget.c:510: warning: cast from restricted __le32
cdnsp-gadget.c:558: warning: incorrect type in assignment
cdnsp-gadget.c:561: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:570: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:1571: warning: incorrect type in argument 1
cdnsp-gadget.c:1602: warning: restricted __le32 degrades to integer
cdnsp-gadget.c:1760: warning: incorrect type in assignment
cdnsp-gadget.c:1762: warning: incorrect type in assignment
cdnsp-gadget.c:1763: warning: incorrect type in assignment
cdnsp-gadget.c:1764: warning: incorrect type in assignment
cdnsp-gadget.c:1765: warning: incorrect type in assignment
cdnsp-gadget.c:1766: warning: incorrect type in assignment
cdnsp-gadget.c:1767: warning: incorrect type in assignment
cdnsp-gadget.c:458: warning: cast truncates bits from constant value
                    (ffffffff07ffffff becomes 7ffffff)
cdnsp-gadget.c:666: warning: cast truncates bits from constant value
                    (ffffffff07ffffff becomes 7ffffff)
cdnsp-mem.c:762: warning: incorrect type in assignment
cdnsp-mem.c:763: warning: incorrect type in assignment
cdnsp-mem.c:928: warning: cast from restricted __le16
cdnsp-mem.c:1187: warning: incorrect type in assignment
cdnsp-mem.c:1191: warning: incorrect type in assignment
cdnsp-ep0.c:142: warning: incorrect type in assignment
cdnsp-ep0.c:144: warning: restricted __le32 degrades to integer
cdnsp-ep0.c:147: warning: restricted __le32 degrades to integer
cdnsp-ep0.c:148: warning: restricted __le32 degrades to integer
cdnsp-ep0.c:179: warning: incorrect type in argument 1
cdnsp-ep0.c:311: warning: incorrect type in argument 1
cdnsp-ep0.c:469: warning: incorrect type in assignment
cdnsp-trace.h:611:1: warning: cast from restricted __le32

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>

1 files changed, 6 insertions, 7 deletions

diff --git a/drivers/usb/cdns3/cdnsp-ep0.c b/drivers/usb/cdns3/cdnsp-ep0.c
index d55b59ed7381..e2b1bcb3f80e 100644
--- a/drivers/usb/cdns3/cdnsp-ep0.c
+++ b/drivers/usb/cdns3/cdnsp-ep0.c
@@ -137,10 +137,8 @@ int cdnsp_status_stage(struct cdnsp_device *pdev)
 	return cdnsp_ep_enqueue(pdev->ep0_preq.pep, &pdev->ep0_preq);
 }
 
-static int cdnsp_w_index_to_ep_index(__le32  wIndex)
+static int cdnsp_w_index_to_ep_index(u16 wIndex)
 {
-	wIndex = le32_to_cpu(wIndex);
-
 	if (!(wIndex & USB_ENDPOINT_NUMBER_MASK))
 		return 0;
 
@@ -176,7 +174,8 @@ static int cdnsp_ep0_handle_status(struct cdnsp_device *pdev,
 		 */
 		return cdnsp_ep0_delegate_req(pdev, ctrl);
 	case USB_RECIP_ENDPOINT:
-		pep = &pdev->eps[cdnsp_w_index_to_ep_index(ctrl->wIndex)];
+		ep_sts = cdnsp_w_index_to_ep_index(le16_to_cpu(ctrl->wIndex));
+		pep = &pdev->eps[ep_sts];
 		ep_sts = GET_EP_CTX_STATE(pep->out_ctx);
 
 		/* check if endpoint is stalled */
@@ -305,10 +304,10 @@ static int cdnsp_ep0_handle_feature_endpoint(struct cdnsp_device *pdev,
 					     int set)
 {
 	struct cdnsp_ep *pep;
-	u32 wValue;
+	u16 wValue;
 
 	wValue = le16_to_cpu(ctrl->wValue);
-	pep = &pdev->eps[cdnsp_w_index_to_ep_index(ctrl->wIndex)];
+	pep = &pdev->eps[cdnsp_w_index_to_ep_index(le16_to_cpu(ctrl->wIndex))];
 
 	switch (wValue) {
 	case USB_ENDPOINT_HALT:
@@ -435,7 +434,7 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
 {
 	struct usb_ctrlrequest *ctrl = &pdev->setup;
 	int ret = 0;
-	__le16 len;
+	u16 len;
 
 	trace_cdnsp_ctrl_req(ctrl);