diff --git a/drivers/staging/vt6655/device.h b/drivers/staging/vt6655/device.h
index 9e236f7..bad3256 100644
--- a/drivers/staging/vt6655/device.h
+++ b/drivers/staging/vt6655/device.h
@@ -423,7 +423,7 @@
 
     CHIP_TYPE                   chip_id;
 
-    u32                         PortOffset;
+    unsigned long               PortOffset;
     DWORD                       dwIsr;
     u32                         memaddr;
     u32                         ioaddr;
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index a2b2bc5..f354507 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -116,7 +116,7 @@
 	pDevice->wstats.discard.nwid = 0;
 	pDevice->wstats.discard.code = 0;
 	pDevice->wstats.discard.fragment = 0;
-	pDevice->wstats.discard.retries = (u32)pDevice->scStatistic.dwTsrErr;
+	pDevice->wstats.discard.retries = (unsigned long)pDevice->scStatistic.dwTsrErr;
 	pDevice->wstats.discard.misc = 0;
 	pDevice->wstats.miss.beacon = 0;