diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index b7827df..fc15b4a 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -106,7 +106,7 @@
 void *hcd_buffer_alloc (
 	struct usb_bus 		*bus,
 	size_t			size,
-	int			mem_flags,
+	unsigned		mem_flags,
 	dma_addr_t		*dma
 )
 {
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 83e732a..8616356 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1112,7 +1112,7 @@
  * expects usb_submit_urb() to have sanity checked and conditioned all
  * inputs in the urb
  */
-static int hcd_submit_urb (struct urb *urb, int mem_flags)
+static int hcd_submit_urb (struct urb *urb, unsigned mem_flags)
 {
 	int			status;
 	struct usb_hcd		*hcd = urb->dev->bus->hcpriv;
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index 8dc13cd..67db4a9 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -142,12 +142,12 @@
 
 struct usb_operations {
 	int (*get_frame_number) (struct usb_device *usb_dev);
-	int (*submit_urb) (struct urb *urb, int mem_flags);
+	int (*submit_urb) (struct urb *urb, unsigned mem_flags);
 	int (*unlink_urb) (struct urb *urb, int status);
 
 	/* allocate dma-consistent buffer for URB_DMA_NOMAPPING */
 	void *(*buffer_alloc)(struct usb_bus *bus, size_t size,
-			int mem_flags,
+			unsigned mem_flags,
 			dma_addr_t *dma);
 	void (*buffer_free)(struct usb_bus *bus, size_t size,
 			void *addr, dma_addr_t dma);
@@ -200,7 +200,7 @@
 	int	(*urb_enqueue) (struct usb_hcd *hcd,
 					struct usb_host_endpoint *ep,
 					struct urb *urb,
-					int mem_flags);
+					unsigned mem_flags);
 	int	(*urb_dequeue) (struct usb_hcd *hcd, struct urb *urb);
 
 	/* hw synch, freeing endpoint resources that urb_dequeue can't */
@@ -247,7 +247,7 @@
 void hcd_buffer_destroy (struct usb_hcd *hcd);
 
 void *hcd_buffer_alloc (struct usb_bus *bus, size_t size,
-	int mem_flags, dma_addr_t *dma);
+	unsigned mem_flags, dma_addr_t *dma);
 void hcd_buffer_free (struct usb_bus *bus, size_t size,
 	void *addr, dma_addr_t dma);
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index f50aaf2..a428ef4 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -320,7 +320,7 @@
 	struct scatterlist	*sg,
 	int			nents,
 	size_t			length,
-	int			mem_flags
+	unsigned		mem_flags
 )
 {
 	int			i;
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 0faf18d..c0feee2 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -60,7 +60,7 @@
  *
  * The driver must call usb_free_urb() when it is finished with the urb.
  */
-struct urb *usb_alloc_urb(int iso_packets, int mem_flags)
+struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags)
 {
 	struct urb *urb;
 
@@ -224,7 +224,7 @@
  *      GFP_NOIO, unless b) or c) apply
  *
  */
-int usb_submit_urb(struct urb *urb, int mem_flags)
+int usb_submit_urb(struct urb *urb, unsigned mem_flags)
 {
 	int			pipe, temp, max;
 	struct usb_device	*dev;
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index a3c4220..7713a60 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1129,7 +1129,7 @@
 void *usb_buffer_alloc (
 	struct usb_device *dev,
 	size_t size,
-	int mem_flags,
+	unsigned mem_flags,
 	dma_addr_t *dma
 )
 {
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 4d69267..583db7c 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -470,7 +470,7 @@
 }
 
 static struct usb_request *
-dummy_alloc_request (struct usb_ep *_ep, int mem_flags)
+dummy_alloc_request (struct usb_ep *_ep, unsigned mem_flags)
 {
 	struct dummy_ep		*ep;
 	struct dummy_request	*req;
@@ -507,7 +507,7 @@
 	struct usb_ep *_ep,
 	unsigned bytes,
 	dma_addr_t *dma,
-	int mem_flags
+	unsigned mem_flags
 ) {
 	char			*retval;
 	struct dummy_ep		*ep;
@@ -540,7 +540,8 @@
 }
 
 static int
-dummy_queue (struct usb_ep *_ep, struct usb_request *_req, int mem_flags)
+dummy_queue (struct usb_ep *_ep, struct usb_request *_req,
+		unsigned mem_flags)
 {
 	struct dummy_ep		*ep;
 	struct dummy_request	*req;
@@ -998,7 +999,7 @@
 	struct usb_hcd			*hcd,
 	struct usb_host_endpoint	*ep,
 	struct urb			*urb,
-	int				mem_flags
+	unsigned			mem_flags
 ) {
 	struct dummy	*dum;
 	struct urbp	*urbp;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 5bb53ae..00a5d25 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -945,11 +945,11 @@
 
 /*-------------------------------------------------------------------------*/
 
-static void eth_start (struct eth_dev *dev, int gfp_flags);
-static int alloc_requests (struct eth_dev *dev, unsigned n, int gfp_flags);
+static void eth_start (struct eth_dev *dev, unsigned gfp_flags);
+static int alloc_requests (struct eth_dev *dev, unsigned n, unsigned gfp_flags);
 
 static int
-set_ether_config (struct eth_dev *dev, int gfp_flags)
+set_ether_config (struct eth_dev *dev, unsigned gfp_flags)
 {
 	int					result = 0;
 	struct usb_gadget			*gadget = dev->gadget;
@@ -1079,7 +1079,7 @@
  * that returns config descriptors, and altsetting code.
  */
 static int
-eth_set_config (struct eth_dev *dev, unsigned number, int gfp_flags)
+eth_set_config (struct eth_dev *dev, unsigned number, unsigned gfp_flags)
 {
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
@@ -1596,7 +1596,7 @@
 static void rx_complete (struct usb_ep *ep, struct usb_request *req);
 
 static int
-rx_submit (struct eth_dev *dev, struct usb_request *req, int gfp_flags)
+rx_submit (struct eth_dev *dev, struct usb_request *req, unsigned gfp_flags)
 {
 	struct sk_buff		*skb;
 	int			retval = -ENOMEM;
@@ -1722,7 +1722,7 @@
 }
 
 static int prealloc (struct list_head *list, struct usb_ep *ep,
-			unsigned n, int gfp_flags)
+			unsigned n, unsigned gfp_flags)
 {
 	unsigned		i;
 	struct usb_request	*req;
@@ -1761,7 +1761,7 @@
 	return 0;
 }
 
-static int alloc_requests (struct eth_dev *dev, unsigned n, int gfp_flags)
+static int alloc_requests (struct eth_dev *dev, unsigned n, unsigned gfp_flags)
 {
 	int status;
 
@@ -1777,7 +1777,7 @@
 	return status;
 }
 
-static void rx_fill (struct eth_dev *dev, int gfp_flags)
+static void rx_fill (struct eth_dev *dev, unsigned gfp_flags)
 {
 	struct usb_request	*req;
 	unsigned long		flags;
@@ -2022,7 +2022,7 @@
 
 #endif	/* RNDIS */
 
-static void eth_start (struct eth_dev *dev, int gfp_flags)
+static void eth_start (struct eth_dev *dev, unsigned gfp_flags)
 {
 	DEBUG (dev, "%s\n", __FUNCTION__);
 
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index ed773a9..eaab26f 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -269,7 +269,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-goku_alloc_request(struct usb_ep *_ep, int gfp_flags)
+goku_alloc_request(struct usb_ep *_ep, unsigned gfp_flags)
 {
 	struct goku_request	*req;
 
@@ -327,7 +327,7 @@
  */
 static void *
 goku_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
-			dma_addr_t *dma, int  gfp_flags)
+			dma_addr_t *dma, unsigned gfp_flags)
 {
 	void		*retval;
 	struct goku_ep	*ep;
@@ -789,7 +789,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-goku_queue(struct usb_ep *_ep, struct usb_request *_req, int gfp_flags)
+goku_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
 {
 	struct goku_request	*req;
 	struct goku_ep		*ep;
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index df75ab6..4842577 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -1106,7 +1106,7 @@
 }
 
 static struct usb_request *lh7a40x_alloc_request(struct usb_ep *ep,
-						 int gfp_flags)
+						 unsigned gfp_flags)
 {
 	struct lh7a40x_request *req;
 
@@ -1134,7 +1134,7 @@
 }
 
 static void *lh7a40x_alloc_buffer(struct usb_ep *ep, unsigned bytes,
-				  dma_addr_t * dma, int gfp_flags)
+				  dma_addr_t * dma, unsigned gfp_flags)
 {
 	char *retval;
 
@@ -1158,7 +1158,7 @@
  *  NOTE: Sets INDEX register
  */
 static int lh7a40x_queue(struct usb_ep *_ep, struct usb_request *_req,
-			 int gfp_flags)
+			 unsigned gfp_flags)
 {
 	struct lh7a40x_request *req;
 	struct lh7a40x_ep *ep;
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 13a3dbc..234a1a9 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -376,7 +376,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-net2280_alloc_request (struct usb_ep *_ep, int gfp_flags)
+net2280_alloc_request (struct usb_ep *_ep, unsigned gfp_flags)
 {
 	struct net2280_ep	*ep;
 	struct net2280_request	*req;
@@ -463,7 +463,7 @@
 	struct usb_ep		*_ep,
 	unsigned		bytes,
 	dma_addr_t		*dma,
-	int			gfp_flags
+	unsigned		gfp_flags
 )
 {
 	void			*retval;
@@ -897,7 +897,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-net2280_queue (struct usb_ep *_ep, struct usb_request *_req, int gfp_flags)
+net2280_queue (struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
 {
 	struct net2280_request	*req;
 	struct net2280_ep	*ep;
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index a2b812a..c906d67 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -269,7 +269,7 @@
 /*-------------------------------------------------------------------------*/
 
 static struct usb_request *
-omap_alloc_request(struct usb_ep *ep, int gfp_flags)
+omap_alloc_request(struct usb_ep *ep, unsigned gfp_flags)
 {
 	struct omap_req	*req;
 
@@ -298,7 +298,7 @@
 	struct usb_ep	*_ep,
 	unsigned	bytes,
 	dma_addr_t	*dma,
-	int		gfp_flags
+	unsigned	gfp_flags
 )
 {
 	void		*retval;
@@ -937,7 +937,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, int gfp_flags)
+omap_ep_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
 {
 	struct omap_ep	*ep = container_of(_ep, struct omap_ep, ep);
 	struct omap_req	*req = container_of(_req, struct omap_req, req);
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 6a0b957..1507738 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -332,7 +332,7 @@
  * 	pxa2xx_ep_alloc_request - allocate a request data structure
  */
 static struct usb_request *
-pxa2xx_ep_alloc_request (struct usb_ep *_ep, int gfp_flags)
+pxa2xx_ep_alloc_request (struct usb_ep *_ep, unsigned gfp_flags)
 {
 	struct pxa2xx_request *req;
 
@@ -367,7 +367,7 @@
  */
 static void *
 pxa2xx_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
-	dma_addr_t *dma, int gfp_flags)
+	dma_addr_t *dma, unsigned gfp_flags)
 {
 	char			*retval;
 
@@ -874,7 +874,7 @@
 /*-------------------------------------------------------------------------*/
 
 static int
-pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, int gfp_flags)
+pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, unsigned gfp_flags)
 {
 	struct pxa2xx_request	*req;
 	struct pxa2xx_ep	*ep;
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index a6e035e..bb9b2d9 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -612,7 +612,7 @@
 }
 
 static struct usb_request *
-source_sink_start_ep (struct usb_ep *ep, int gfp_flags)
+source_sink_start_ep (struct usb_ep *ep, unsigned gfp_flags)
 {
 	struct usb_request	*req;
 	int			status;
@@ -640,7 +640,7 @@
 }
 
 static int
-set_source_sink_config (struct zero_dev *dev, int gfp_flags)
+set_source_sink_config (struct zero_dev *dev, unsigned gfp_flags)
 {
 	int			result = 0;
 	struct usb_ep		*ep;
@@ -744,7 +744,7 @@
 }
 
 static int
-set_loopback_config (struct zero_dev *dev, int gfp_flags)
+set_loopback_config (struct zero_dev *dev, unsigned gfp_flags)
 {
 	int			result = 0;
 	struct usb_ep		*ep;
@@ -845,7 +845,7 @@
  * by limiting configuration choices (like the pxa2xx).
  */
 static int
-zero_set_config (struct zero_dev *dev, unsigned number, int gfp_flags)
+zero_set_config (struct zero_dev *dev, unsigned number, unsigned gfp_flags)
 {
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 35248a3..149b13f 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -960,7 +960,7 @@
 	struct usb_hcd	*hcd,
 	struct usb_host_endpoint *ep,
 	struct urb	*urb,
-	int		mem_flags
+	unsigned	mem_flags
 ) {
 	struct ehci_hcd		*ehci = hcd_to_ehci (hcd);
 	struct list_head	qtd_list;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 45d89a7..d74b2d6 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -898,7 +898,7 @@
 	struct usb_host_endpoint *ep,
 	struct urb		*urb,
 	struct list_head	*qtd_list,
-	int			mem_flags
+	unsigned		mem_flags
 ) {
 	struct ehci_qtd		*qtd;
 	int			epnum;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index c2104ca..9af4f64 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -588,7 +588,7 @@
 	struct usb_host_endpoint *ep,
 	struct urb		*urb,
 	struct list_head	*qtd_list,
-	int			mem_flags
+	unsigned		mem_flags
 ) {
 	unsigned		epnum;
 	unsigned long		flags;
@@ -633,7 +633,7 @@
 /* ehci_iso_stream ops work with both ITD and SITD */
 
 static struct ehci_iso_stream *
-iso_stream_alloc (int mem_flags)
+iso_stream_alloc (unsigned mem_flags)
 {
 	struct ehci_iso_stream *stream;
 
@@ -846,7 +846,7 @@
 /* ehci_iso_sched ops can be ITD-only or SITD-only */
 
 static struct ehci_iso_sched *
-iso_sched_alloc (unsigned packets, int mem_flags)
+iso_sched_alloc (unsigned packets, unsigned mem_flags)
 {
 	struct ehci_iso_sched	*iso_sched;
 	int			size = sizeof *iso_sched;
@@ -919,7 +919,7 @@
 	struct ehci_iso_stream	*stream,
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
-	int			mem_flags
+	unsigned		mem_flags
 )
 {
 	struct ehci_itd		*itd;
@@ -1412,7 +1412,8 @@
 
 /*-------------------------------------------------------------------------*/
 
-static int itd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+static int itd_submit (struct ehci_hcd *ehci, struct urb *urb,
+	unsigned mem_flags)
 {
 	int			status = -EINVAL;
 	unsigned long		flags;
@@ -1523,7 +1524,7 @@
 	struct ehci_iso_stream	*stream,
 	struct ehci_hcd		*ehci,
 	struct urb		*urb,
-	int			mem_flags
+	unsigned		mem_flags
 )
 {
 	struct ehci_sitd	*sitd;
@@ -1772,7 +1773,8 @@
 }
 
 
-static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
+	unsigned mem_flags)
 {
 	int			status = -EINVAL;
 	unsigned long		flags;
@@ -1822,7 +1824,8 @@
 #else
 
 static inline int
-sitd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
+	unsigned mem_flags)
 {
 	ehci_dbg (ehci, "split iso support is disabled\n");
 	return -ENOSYS;
diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c
index d9883d7..81f8f6b 100644
--- a/drivers/usb/host/hc_crisv10.c
+++ b/drivers/usb/host/hc_crisv10.c
@@ -463,7 +463,8 @@
 
 static int etrax_remove_from_sb_list(struct urb *urb);
 
-static void* etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size, int mem_flags, dma_addr_t *dma);
+static void* etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size,
+	unsigned mem_flags, dma_addr_t *dma);
 static void etrax_usb_buffer_free(struct usb_bus *bus, size_t size, void *addr, dma_addr_t dma);
 
 static void etrax_usb_add_to_bulk_sb_list(struct urb *urb, int epid);
@@ -476,7 +477,7 @@
 static int etrax_usb_submit_intr_urb(struct urb *urb);
 static int etrax_usb_submit_isoc_urb(struct urb *urb);
 
-static int etrax_usb_submit_urb(struct urb *urb, int mem_flags);
+static int etrax_usb_submit_urb(struct urb *urb, unsigned mem_flags);
 static int etrax_usb_unlink_urb(struct urb *urb, int status);
 static int etrax_usb_get_frame_number(struct usb_device *usb_dev);
 
@@ -1262,7 +1263,7 @@
 	return -1;
 }
 
-static int etrax_usb_submit_urb(struct urb *urb, int mem_flags)
+static int etrax_usb_submit_urb(struct urb *urb, unsigned mem_flags)
 {
 	etrax_hc_t *hc;
 	int ret = -EINVAL;
@@ -4277,7 +4278,8 @@
 }
 
 static void*
-etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size, int mem_flags, dma_addr_t *dma)
+etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size,
+	unsigned mem_flags, dma_addr_t *dma)
 {
   return kmalloc(size, mem_flags);
 }
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 3f2cea2..50b1970 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -693,7 +693,7 @@
 
 static int isp116x_urb_enqueue(struct usb_hcd *hcd,
 			       struct usb_host_endpoint *hep, struct urb *urb,
-			       int mem_flags)
+			       unsigned mem_flags)
 {
 	struct isp116x *isp116x = hcd_to_isp116x(hcd);
 	struct usb_device *udev = urb->dev;
@@ -715,7 +715,7 @@
 	}
 	/* avoid all allocations within spinlocks: request or endpoint */
 	if (!hep->hcpriv) {
-		ep = kcalloc(1, sizeof *ep, (__force unsigned)mem_flags);
+		ep = kcalloc(1, sizeof *ep, mem_flags);
 		if (!ep)
 			return -ENOMEM;
 	}
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 13cd217..0375097 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -180,7 +180,7 @@
 	struct usb_hcd	*hcd,
 	struct usb_host_endpoint *ep,
 	struct urb	*urb,
-	int		mem_flags
+	unsigned	mem_flags
 ) {
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 	struct ed	*ed;
diff --git a/drivers/usb/host/ohci-mem.c b/drivers/usb/host/ohci-mem.c
index 23735a3..fd3c4d3 100644
--- a/drivers/usb/host/ohci-mem.c
+++ b/drivers/usb/host/ohci-mem.c
@@ -84,7 +84,7 @@
 
 /* TDs ... */
 static struct td *
-td_alloc (struct ohci_hcd *hc, int mem_flags)
+td_alloc (struct ohci_hcd *hc, unsigned mem_flags)
 {
 	dma_addr_t	dma;
 	struct td	*td;
@@ -118,7 +118,7 @@
 
 /* EDs ... */
 static struct ed *
-ed_alloc (struct ohci_hcd *hc, int mem_flags)
+ed_alloc (struct ohci_hcd *hc, unsigned mem_flags)
 {
 	dma_addr_t	dma;
 	struct ed	*ed;
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 6c3f910..7a890a6 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -815,7 +815,7 @@
 	struct usb_hcd		*hcd,
 	struct usb_host_endpoint *hep,
 	struct urb		*urb,
-	int			mem_flags
+	unsigned		mem_flags
 ) {
 	struct sl811		*sl811 = hcd_to_sl811(hcd);
 	struct usb_device	*udev = urb->dev;
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 5f18084..bbb36cd 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1164,7 +1164,7 @@
 
 static int uhci_urb_enqueue(struct usb_hcd *hcd,
 		struct usb_host_endpoint *ep,
-		struct urb *urb, int mem_flags)
+		struct urb *urb, unsigned mem_flags)
 {
 	int ret;
 	struct uhci_hcd *uhci = hcd_to_uhci(hcd);
diff --git a/drivers/usb/net/kaweth.c b/drivers/usb/net/kaweth.c
index fd6ff4c..7ffa99b 100644
--- a/drivers/usb/net/kaweth.c
+++ b/drivers/usb/net/kaweth.c
@@ -477,7 +477,7 @@
 }
 
 static void kaweth_usb_receive(struct urb *, struct pt_regs *regs);
-static int kaweth_resubmit_rx_urb(struct kaweth_device *, int);
+static int kaweth_resubmit_rx_urb(struct kaweth_device *, unsigned);
 
 /****************************************************************
 	int_callback
@@ -550,7 +550,7 @@
  *     kaweth_resubmit_rx_urb
  ****************************************************************/
 static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
-						int mem_flags)
+						unsigned mem_flags)
 {
 	int result;