diff --git a/drivers/net/wireless/rt2x00/rt2800pci.h b/drivers/net/wireless/rt2x00/rt2800pci.h
index fecb71c05c1eab6da5519728450a34d4706eb5ba..586eb81ad76a82ac0ddad910886026e50bfe378b 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.h
+++ b/drivers/net/wireless/rt2x00/rt2800pci.h
@@ -37,10 +37,10 @@ struct rt2800_ops {
 
 	void (*register_multiread)(struct rt2x00_dev *rt2x00dev,
 				   const unsigned int offset,
-				   void *value, const u16 length);
+				   void *value, const u32 length);
 	void (*register_multiwrite)(struct rt2x00_dev *rt2x00dev,
 				    const unsigned int offset,
-				    const void *value, const u16 length);
+				    const void *value, const u32 length);
 
 	int (*regbusy_read)(struct rt2x00_dev *rt2x00dev,
 			    const unsigned int offset,
@@ -76,7 +76,7 @@ static inline void rt2800_register_write_lock(struct rt2x00_dev *rt2x00dev,
 
 static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 					     const unsigned int offset,
-					     void *value, const u16 length)
+					     void *value, const u32 length)
 {
 	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
 
@@ -86,7 +86,7 @@ static inline void rt2800_register_multiread(struct rt2x00_dev *rt2x00dev,
 static inline void rt2800_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 					      const unsigned int offset,
 					      const void *value,
-					      const u16 length)
+					      const u32 length)
 {
 	const struct rt2800_ops *rt2800ops = rt2x00dev->priv;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index 15a12487e04b024cfde0400d407d11b67fa95a27..f5af4b40308d2e3e534a6665d952d5c1a43150d0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -53,10 +53,9 @@ static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
 	*value = readl(rt2x00dev->csr.base + offset);
 }
 
-static inline void
-rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
-			     const unsigned int offset,
-			     void *value, const u16 length)
+static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
+						const unsigned int offset,
+						void *value, const u32 length)
 {
 	memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
 }
@@ -68,10 +67,10 @@ static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
 	writel(value, rt2x00dev->csr.base + offset);
 }
 
-static inline void
-rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-			      const unsigned int offset,
-			      const void *value, const u16 length)
+static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+						 const unsigned int offset,
+						 const void *value,
+						 const u32 length)
 {
 	memcpy_toio(rt2x00dev->csr.base + offset, value, length);
 }