26 files changed, 81 insertions, 75 deletions

diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index b7827df21f48..fc15b4acc8af 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -106,7 +106,7 @@ void hcd_buffer_destroy (struct usb_hcd *hcd)
 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 83e732a0d64a..8616356f55e8 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1112,7 +1112,7 @@ static void urb_unlink (struct urb *urb)
  * 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 8dc13cde2f73..67db4a999b93 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -142,12 +142,12 @@ struct hcd_timeout {	/* timeouts we allocate */
 
 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 @@ struct hc_driver {
         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 @@ int hcd_buffer_create (struct usb_hcd *hcd);
 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 f50aaf25c98e..a428ef479bd7 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -320,7 +320,7 @@ int usb_sg_init (
         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 0faf18d511de..c0feee25ff0a 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -60,7 +60,7 @@ void usb_init_urb(struct urb *urb)
  *
  * 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 @@ struct urb * usb_get_urb(struct urb *urb)
  *      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 a3c42203213a..7713a605fce7 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -1129,7 +1129,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
 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 4d692670f288..583db7c38cf1 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -470,7 +470,7 @@ static int dummy_disable (struct usb_ep *_ep)
 }
 
 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 @@ dummy_alloc_buffer (
         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 @@ fifo_complete (struct usb_ep *ep, struct usb_request *req)
 }
 
 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 @@ static int dummy_urb_enqueue (
         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 5bb53ae88969..00a5d2566265 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -945,11 +945,11 @@ config_buf (enum usb_device_speed speed,
 
 /*-------------------------------------------------------------------------*/
 
-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 @@ static void eth_reset_config (struct eth_dev *dev)
  * 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 defer_kevent (struct eth_dev *dev, int flag)
 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 @@ clean:
 }
 
 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 @@ extra:
         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 @@ fail:
         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 @@ static int rndis_control_ack (struct net_device *net)
 
 #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 ed773a9111de..eaab26f4ed37 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -269,7 +269,7 @@ static int goku_ep_disable(struct usb_ep *_ep)
 /*-------------------------------------------------------------------------*/
 
 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 @@ goku_free_request(struct usb_ep *_ep, struct usb_request *_req)
  */
 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 @@ finished:
 /*-------------------------------------------------------------------------*/
 
 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 df75ab65a5ec..4842577789c9 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -1106,7 +1106,7 @@ static int lh7a40x_ep_disable(struct usb_ep *_ep)
 }
 
 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_free_request(struct usb_ep *ep, struct usb_request *_req)
 }
 
 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 @@ static void lh7a40x_free_buffer(struct usb_ep *ep, void *buf, dma_addr_t dma,
  *  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 13a3dbc9949b..234a1a97b84e 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -376,7 +376,7 @@ static int net2280_disable (struct usb_ep *_ep)
 /*-------------------------------------------------------------------------*/
 
 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 @@ net2280_alloc_buffer (
         struct usb_ep           *_ep,
         unsigned                bytes,
         dma_addr_t              *dma,
-        int                     gfp_flags
+        unsigned                gfp_flags
 )
 {
         void                    *retval;
@@ -897,7 +897,7 @@ done (struct net2280_ep *ep, struct net2280_request *req, int status)
 /*-------------------------------------------------------------------------*/
 
 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 a2b812af6e66..c906d675ef4b 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -269,7 +269,7 @@ static int omap_ep_disable(struct usb_ep *_ep)
 /*-------------------------------------------------------------------------*/
 
 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 @@ omap_alloc_buffer(
         struct usb_ep   *_ep,
         unsigned        bytes,
         dma_addr_t      *dma,
-        int             gfp_flags
+        unsigned        gfp_flags
 )
 {
         void            *retval;
@@ -937,7 +937,7 @@ static void dma_channel_release(struct omap_ep *ep)
 /*-------------------------------------------------------------------------*/
 
 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 6a0b957af335..1507738337c4 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -332,7 +332,7 @@ static int pxa2xx_ep_disable (struct usb_ep *_ep)
  *      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 @@ pxa2xx_ep_free_request (struct usb_ep *_ep, struct usb_request *_req)
  */
 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 @@ done:
 /*-------------------------------------------------------------------------*/
 
 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 a6e035e24479..bb9b2d94eed5 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -612,7 +612,7 @@ static void source_sink_complete (struct usb_ep *ep, struct usb_request *req)
 }
 
 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 @@ source_sink_start_ep (struct usb_ep *ep, int gfp_flags)
 }
 
 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 void loopback_complete (struct usb_ep *ep, struct usb_request *req)
 }
 
 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 @@ static void zero_reset_config (struct zero_dev *dev)
  * 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 35248a37b717..149b13fc0a71 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -960,7 +960,7 @@ static int ehci_urb_enqueue (
         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 45d89a7083b1..d74b2d68a50e 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -898,7 +898,7 @@ submit_async (
         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 c2104cad4033..9af4f64532a9 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -588,7 +588,7 @@ static int intr_submit (
         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 @@ done:
 /* 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 @@ iso_stream_find (struct ehci_hcd *ehci, struct urb *urb)
 /* 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 @@ itd_urb_transaction (
         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 @@ itd_complete (
 
 /*-------------------------------------------------------------------------*/
 
-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 @@ sitd_urb_transaction (
         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 @@ sitd_complete (
 }
 
 
-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 @@ done:
 #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 d9883d774d3a..81f8f6b7fdce 100644
--- a/drivers/usb/host/hc_crisv10.c
+++ b/drivers/usb/host/hc_crisv10.c
@@ -463,7 +463,8 @@ static void etrax_usb_free_epid(int epid);
 
 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_ctrl_urb(struct urb *urb);
 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 @@ static int etrax_usb_allocate_epid(void)
         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 @@ etrax_usb_bulk_eot_timer_func(unsigned long dummy)
 }
 
 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 3f2cea21efc5..50b1970fe6b6 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -693,7 +693,7 @@ static int balance(struct isp116x *isp116x, u16 period, u16 load)
 
 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 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd,
         }
         /* 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 13cd2177b557..0375097850ee 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -180,7 +180,7 @@ static int ohci_urb_enqueue (
         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 23735a36af00..fd3c4d3714bd 100644
--- a/drivers/usb/host/ohci-mem.c
+++ b/drivers/usb/host/ohci-mem.c
@@ -84,7 +84,7 @@ dma_to_td (struct ohci_hcd *hc, dma_addr_t td_dma)
 
 /* 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 @@ td_free (struct ohci_hcd *hc, struct td *td)
 
 /* 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 6c3f910bc307..7a890a65f55d 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -815,7 +815,7 @@ static int sl811h_urb_enqueue(
         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 5f18084a116d..bbb36cd6ed61 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1164,7 +1164,7 @@ static struct urb *uhci_find_urb_ep(struct uhci_hcd *uhci, struct urb *urb)
 
 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 fd6ff4cb2c62..7ffa99b9760f 100644
--- a/drivers/usb/net/kaweth.c
+++ b/drivers/usb/net/kaweth.c
@@ -477,7 +477,7 @@ static int kaweth_reset(struct kaweth_device *kaweth)
 }
 
 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 @@ static void kaweth_resubmit_tl(void *d)
  *     kaweth_resubmit_rx_urb
  ****************************************************************/
 static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
-                                                int mem_flags)
+                                                unsigned mem_flags)
 {
         int result;
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index eb282b581546..724637792996 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -938,17 +938,17 @@ static inline void usb_fill_int_urb (struct urb *urb,
 }
 
 extern void usb_init_urb(struct urb *urb);
-extern struct urb *usb_alloc_urb(int iso_packets, int mem_flags);
+extern struct urb *usb_alloc_urb(int iso_packets, unsigned mem_flags);
 extern void usb_free_urb(struct urb *urb);
 #define usb_put_urb usb_free_urb
 extern struct urb *usb_get_urb(struct urb *urb);
-extern int usb_submit_urb(struct urb *urb, int mem_flags);
+extern int usb_submit_urb(struct urb *urb, unsigned mem_flags);
 extern int usb_unlink_urb(struct urb *urb);
 extern void usb_kill_urb(struct urb *urb);
 
 #define HAVE_USB_BUFFERS
 void *usb_buffer_alloc (struct usb_device *dev, size_t size,
-        int mem_flags, dma_addr_t *dma);
+        unsigned mem_flags, dma_addr_t *dma);
 void usb_buffer_free (struct usb_device *dev, size_t size,
         void *addr, dma_addr_t dma);
 
@@ -1055,7 +1055,7 @@ int usb_sg_init (
         struct scatterlist      *sg,
         int                     nents,
         size_t                  length,
-        int                     mem_flags
+        unsigned                mem_flags
 );
 void usb_sg_cancel (struct usb_sg_request *io);
 void usb_sg_wait (struct usb_sg_request *io);
diff --git a/include/linux/usb_gadget.h b/include/linux/usb_gadget.h
index b00f127cb447..71e608607324 100644
--- a/include/linux/usb_gadget.h
+++ b/include/linux/usb_gadget.h
@@ -107,18 +107,18 @@ struct usb_ep_ops {
         int (*disable) (struct usb_ep *ep);
 
         struct usb_request *(*alloc_request) (struct usb_ep *ep,
-                int gfp_flags);
+                unsigned gfp_flags);
         void (*free_request) (struct usb_ep *ep, struct usb_request *req);
 
         void *(*alloc_buffer) (struct usb_ep *ep, unsigned bytes,
-                dma_addr_t *dma, int gfp_flags);
+                dma_addr_t *dma, unsigned gfp_flags);
         void (*free_buffer) (struct usb_ep *ep, void *buf, dma_addr_t dma,
                 unsigned bytes);
         // NOTE:  on 2.6, drivers may also use dma_map() and
         // dma_sync_single_*() to directly manage dma overhead. 
 
         int (*queue) (struct usb_ep *ep, struct usb_request *req,
-                int gfp_flags);
+                unsigned gfp_flags);
         int (*dequeue) (struct usb_ep *ep, struct usb_request *req);
 
         int (*set_halt) (struct usb_ep *ep, int value);
@@ -214,7 +214,7 @@ usb_ep_disable (struct usb_ep *ep)
  * Returns the request, or null if one could not be allocated.
  */
 static inline struct usb_request *
-usb_ep_alloc_request (struct usb_ep *ep, int gfp_flags)
+usb_ep_alloc_request (struct usb_ep *ep, unsigned gfp_flags)
 {
         return ep->ops->alloc_request (ep, gfp_flags);
 }
@@ -254,7 +254,7 @@ usb_ep_free_request (struct usb_ep *ep, struct usb_request *req)
  */
 static inline void *
 usb_ep_alloc_buffer (struct usb_ep *ep, unsigned len, dma_addr_t *dma,
-        int gfp_flags)
+        unsigned gfp_flags)
 {
         return ep->ops->alloc_buffer (ep, len, dma, gfp_flags);
 }
@@ -330,7 +330,7 @@ usb_ep_free_buffer (struct usb_ep *ep, void *buf, dma_addr_t dma, unsigned len)
  * reported when the usb peripheral is disconnected.
  */
 static inline int
-usb_ep_queue (struct usb_ep *ep, struct usb_request *req, int gfp_flags)
+usb_ep_queue (struct usb_ep *ep, struct usb_request *req, unsigned gfp_flags)
 {
         return ep->ops->queue (ep, req, gfp_flags);
 }