From f6fcebf5c181365a3c9ebc672d88121d54359eed Mon Sep 17 00:00:00 2001
From: Michal Simek <michal.simek@xilinx.com>
Date: Fri, 30 Oct 2015 16:21:30 +0100
Subject: [PATCH] usb: udc: Fix warnings on 64-bit builds
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Cast u32 bit value to 64bit before recasting to 64bit pointer to avoid
pointer from integer cast size mismatch warnings.

Warning log:
+../drivers/usb/gadget/udc/udc-core.c: In function
‘usb_gadget_unmap_request’:
+../drivers/usb/gadget/udc/udc-core.c:68:19: warning: cast to pointer
from integer of different size [-Wint-to-pointer-cast]

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
 drivers/usb/gadget/udc/udc-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
index 875e998a82..326757b547 100644
--- a/drivers/usb/gadget/udc/udc-core.c
+++ b/drivers/usb/gadget/udc/udc-core.c
@@ -65,7 +65,7 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget,
 	if (req->length == 0)
 		return;
 
-	dma_unmap_single((void *)req->dma, req->length,
+	dma_unmap_single((void *)(uintptr_t)req->dma, req->length,
 			 is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
 }
 EXPORT_SYMBOL_GPL(usb_gadget_unmap_request);
-- 
2.39.5