30 files changed, 75 insertions, 88 deletions

diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
index a362ee9c92dd..6d2e314860df 100644
--- a/drivers/char/viocons.c
+++ b/drivers/char/viocons.c
@@ -947,7 +947,7 @@ static void vioHandleData(struct HvLpEvent *event)
                                  */
                                 continue;
                         } else if (vio_sysrq_pressed) {
-                                handle_sysrq(cevent->data[index], NULL, tty);
+                                handle_sysrq(cevent->data[index], tty);
                                 vio_sysrq_pressed = 0;
                                 /*
                                  * continue because we don't want to add
diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index 0cdbaa70cf9f..d0b94dd1af6d 100644
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -593,7 +593,7 @@ static void scc_enable_tx_interrupts(void *ptr)
         local_irq_save(flags);
         SCCmod(INT_AND_DMA_REG, 0xff, IDR_TX_INT_ENAB);
         /* restart the transmitter */
-        scc_tx_int (0, port, 0);
+        scc_tx_int (0, port);
         local_irq_restore(flags);
 }
 
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 3e7974c57443..8e7b83f84485 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -1614,7 +1614,7 @@ static int nodemgr_host_thread(void *__hi)
 {
         struct host_info *hi = (struct host_info *)__hi;
         struct hpsb_host *host = hi->host;
-        unsigned int g, generation = get_hpsb_generation(host) - 1;
+        unsigned int g, generation = 0;
         int i, reset_cycles = 0;
 
         /* Setup our device-model entries */
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index c9b0b8978cd8..e774dd31e99b 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -328,7 +328,7 @@ static int hil_kbd_connect(struct serio *serio, struct serio_driver *drv)
         kbd->dev->id.vendor     = PCI_VENDOR_ID_HP;
         kbd->dev->id.product    = 0x0001; /* TODO: get from kbd->rsc */
         kbd->dev->id.version    = 0x0100; /* TODO: get from kbd->rsc */
-        kbd->dev->dev           = &serio->dev;
+        kbd->dev->cdev.dev      = &serio->dev;
 
         for (i = 0; i < 128; i++) {
                 set_bit(hil_kbd_set1[i], kbd->dev->keybit);
diff --git a/drivers/input/mouse/hil_ptr.c b/drivers/input/mouse/hil_ptr.c
index 402b057e986e..4f2b503c1ac7 100644
--- a/drivers/input/mouse/hil_ptr.c
+++ b/drivers/input/mouse/hil_ptr.c
@@ -375,7 +375,7 @@ static int hil_ptr_connect(struct serio *serio, struct serio_driver *driver)
         ptr->dev->id.vendor     = PCI_VENDOR_ID_HP;
         ptr->dev->id.product    = 0x0001; /* TODO: get from ptr->rsc */
         ptr->dev->id.version    = 0x0100; /* TODO: get from ptr->rsc */
-        ptr->dev->dev           = &serio->dev;
+        ptr->dev->cdev.dev      = &serio->dev;
 
         input_register_device(ptr->dev);
         printk(KERN_INFO "input: %s (%s), ID: %d\n",
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 081fdc3c7737..74f14e097789 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -166,7 +166,7 @@ static inline int gscps2_writeb_output(struct gscps2port *ps2port, u8 data)
 
         /* make sure any received data is returned as fast as possible */
         /* this is important e.g. when we set the LEDs on the keyboard */
-        gscps2_interrupt(0, NULL, NULL);
+        gscps2_interrupt(0, NULL);
 
         return 1;
 }
@@ -306,7 +306,7 @@ static int gscps2_open(struct serio *port)
         /* enable it */
         gscps2_enable(ps2port, ENABLE);
 
-        gscps2_interrupt(0, NULL, NULL);
+        gscps2_interrupt(0, NULL);
 
         return 0;
 }
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index bbbe15e21904..bdfde046b741 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -162,10 +162,10 @@ static void hil_mlc_send_polls(hil_mlc *mlc) {
                 if (did != (p & HIL_PKT_ADDR_MASK) >> 8) {
                         if (drv == NULL || drv->interrupt == NULL) goto skip;
 
-                        drv->interrupt(serio, 0, 0, NULL);
-                        drv->interrupt(serio, HIL_ERR_INT >> 16, 0, NULL);
-                        drv->interrupt(serio, HIL_PKT_CMD >> 8,  0, NULL);
-                        drv->interrupt(serio, HIL_CMD_POL + cnt, 0, NULL);
+                        drv->interrupt(serio, 0, 0);
+                        drv->interrupt(serio, HIL_ERR_INT >> 16, 0);
+                        drv->interrupt(serio, HIL_PKT_CMD >> 8,  0);
+                        drv->interrupt(serio, HIL_CMD_POL + cnt, 0);
                 skip:
                         did = (p & HIL_PKT_ADDR_MASK) >> 8;
                         serio = did ? mlc->serio[mlc->di_map[did-1]] : NULL;
@@ -174,10 +174,10 @@ static void hil_mlc_send_polls(hil_mlc *mlc) {
                 }
                 cnt++; i++;
                 if (drv == NULL || drv->interrupt == NULL) continue;
-                drv->interrupt(serio, (p >> 24), 0, NULL);
-                drv->interrupt(serio, (p >> 16) & 0xff, 0, NULL);
-                drv->interrupt(serio, (p >> 8) & ~HIL_PKT_ADDR_MASK, 0, NULL);
-                drv->interrupt(serio, p & 0xff, 0, NULL);
+                drv->interrupt(serio, (p >> 24), 0);
+                drv->interrupt(serio, (p >> 16) & 0xff, 0);
+                drv->interrupt(serio, (p >> 8) & ~HIL_PKT_ADDR_MASK, 0);
+                drv->interrupt(serio, p & 0xff, 0);
         }
 }
 
@@ -780,16 +780,16 @@ static int hil_mlc_serio_write(struct serio *serio, unsigned char c) {
         while ((last != idx) && (*last == 0)) last--;
 
         while (idx != last) {
-                drv->interrupt(serio, 0, 0, NULL);
-                drv->interrupt(serio, HIL_ERR_INT >> 16, 0, NULL);
-                drv->interrupt(serio, 0, 0, NULL);
-                drv->interrupt(serio, *idx, 0, NULL);
+                drv->interrupt(serio, 0, 0);
+                drv->interrupt(serio, HIL_ERR_INT >> 16, 0);
+                drv->interrupt(serio, 0, 0);
+                drv->interrupt(serio, *idx, 0);
                 idx++;
         }
-        drv->interrupt(serio, 0, 0, NULL);
-        drv->interrupt(serio, HIL_ERR_INT >> 16, 0, NULL);
-        drv->interrupt(serio, HIL_PKT_CMD >> 8, 0, NULL);
-        drv->interrupt(serio, *idx, 0, NULL);
+        drv->interrupt(serio, 0, 0);
+        drv->interrupt(serio, HIL_ERR_INT >> 16, 0);
+        drv->interrupt(serio, HIL_PKT_CMD >> 8, 0);
+        drv->interrupt(serio, *idx, 0);
         
         mlc->serio_oidx[map->didx] = 0;
         mlc->serio_opacket[map->didx] = 0;
diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c
index 1ffee7aaff20..17ef5d3c01b4 100644
--- a/drivers/macintosh/adb-iop.c
+++ b/drivers/macintosh/adb-iop.c
@@ -266,7 +266,7 @@ int adb_iop_autopoll(int devs)
 void adb_iop_poll(void)
 {
         if (adb_iop_state == idle) adb_iop_start();
-        iop_ism_irq(0, (void *) ADB_IOP, NULL);
+        iop_ism_irq(0, (void *) ADB_IOP);
 }
 
 int adb_iop_reset_bus(void)
diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 57ccc19cbdbf..797cef72258f 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -270,6 +270,6 @@ static void macio_adb_poll(void)
 
         local_irq_save(flags);
         if (in_8(&adb->intr.r) != 0)
-                macio_adb_interrupt(0, NULL, NULL);
+                macio_adb_interrupt(0, NULL);
         local_irq_restore(flags);
 }
diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c
index ad4bd579f610..5d88d5b0ad99 100644
--- a/drivers/macintosh/via-macii.c
+++ b/drivers/macintosh/via-macii.c
@@ -295,7 +295,7 @@ static void macii_poll(void)
         unsigned long flags;
 
         local_irq_save(flags);
-        if (via[IFR] & SR_INT) macii_interrupt(0, NULL, NULL);
+        if (via[IFR] & SR_INT) macii_interrupt(0, NULL);
         local_irq_restore(flags);
 }
 
diff --git a/drivers/macintosh/via-maciisi.c b/drivers/macintosh/via-maciisi.c
index 789ee52086fe..1f0aa5dc9aa5 100644
--- a/drivers/macintosh/via-maciisi.c
+++ b/drivers/macintosh/via-maciisi.c
@@ -421,7 +421,7 @@ maciisi_poll(void)
 
         local_irq_save(flags);
         if (via[IFR] & SR_INT) {
-                maciisi_interrupt(0, NULL, NULL);
+                maciisi_interrupt(0, NULL);
         }
         else /* avoid calling this function too quickly in a loop */
                 udelay(ADB_DELAY);
diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c
index 98ec915d0409..d9986f3a3fbf 100644
--- a/drivers/macintosh/via-pmu68k.c
+++ b/drivers/macintosh/via-pmu68k.c
@@ -221,7 +221,7 @@ pmu_init(void)
                 }
                 if (pmu_state == idle) {
                         adb_int_pending = 1;
-                        pmu_interrupt(0, NULL, NULL);
+                        pmu_interrupt(0, NULL);
                 }
                 pmu_poll();
                 udelay(10);
@@ -562,11 +562,11 @@ pmu_poll(void)
         local_irq_save(flags);
         if (via1[IFR] & SR_INT) {
                 via1[IFR] = SR_INT;
-                pmu_interrupt(IRQ_MAC_ADB_SR, NULL, NULL);
+                pmu_interrupt(IRQ_MAC_ADB_SR, NULL);
         }
         if (via1[IFR] & CB1_INT) {
                 via1[IFR] = CB1_INT;
-                pmu_interrupt(IRQ_MAC_ADB_CL, NULL, NULL);
+                pmu_interrupt(IRQ_MAC_ADB_CL, NULL);
         }
         local_irq_restore(flags);
 }
diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index b1748669e05b..1ba8754e9383 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -48,7 +48,7 @@ static void tifm_7xx1_remove_media(void *adapter)
                         printk(KERN_INFO DRIVER_NAME
                                ": demand removing card from socket %d\n", cnt);
                         sock = fm->sockets[cnt];
-                        fm->sockets[cnt] = 0;
+                        fm->sockets[cnt] = NULL;
                         fm->remove_mask &= ~(1 << cnt);
 
                         writel(0x0e00, sock->addr + SOCK_CONTROL);
@@ -118,7 +118,7 @@ static irqreturn_t tifm_7xx1_isr(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static tifm_media_id tifm_7xx1_toggle_sock_power(char *sock_addr, int is_x2)
+static tifm_media_id tifm_7xx1_toggle_sock_power(char __iomem *sock_addr, int is_x2)
 {
         unsigned int s_state;
         int cnt;
@@ -163,7 +163,8 @@ static tifm_media_id tifm_7xx1_toggle_sock_power(char *sock_addr, int is_x2)
         return (readl(sock_addr + SOCK_PRESENT_STATE) >> 4) & 7;
 }
 
-inline static char *tifm_7xx1_sock_addr(char *base_addr, unsigned int sock_num)
+inline static char __iomem *
+tifm_7xx1_sock_addr(char __iomem *base_addr, unsigned int sock_num)
 {
         return base_addr + ((sock_num + 1) << 10);
 }
@@ -176,7 +177,7 @@ static void tifm_7xx1_insert_media(void *adapter)
         char *card_name = "xx";
         int cnt, ok_to_register;
         unsigned int insert_mask;
-        struct tifm_dev *new_sock = 0;
+        struct tifm_dev *new_sock = NULL;
 
         if (!class_device_get(&fm->cdev))
                 return;
@@ -230,7 +231,7 @@ static void tifm_7xx1_insert_media(void *adapter)
                                 if (!ok_to_register ||
                                             device_register(&new_sock->dev)) {
                                         spin_lock_irqsave(&fm->lock, flags);
-                                        fm->sockets[cnt] = 0;
+                                        fm->sockets[cnt] = NULL;
                                         spin_unlock_irqrestore(&fm->lock,
                                                                 flags);
                                         tifm_free_device(&new_sock->dev);
@@ -390,7 +391,7 @@ static void tifm_7xx1_remove(struct pci_dev *dev)
 
         tifm_remove_adapter(fm);
 
-        pci_set_drvdata(dev, 0);
+        pci_set_drvdata(dev, NULL);
 
         iounmap(fm->addr);
         pci_intx(dev, 0);
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index cca5f8522469..ee326136d03b 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -157,7 +157,7 @@ struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id)
                 dev->wq = create_singlethread_workqueue(dev->wq_name);
                 if (!dev->wq) {
                         kfree(dev);
-                        return 0;
+                        return NULL;
                 }
                 dev->dev.parent = fm->dev;
                 dev->dev.bus = &tifm_bus_type;
diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c
index 6d23dc08d169..2bacff60913d 100644
--- a/drivers/mmc/tifm_sd.c
+++ b/drivers/mmc/tifm_sd.c
@@ -501,13 +501,13 @@ static void tifm_sd_end_cmd(void *data)
         struct tifm_dev *sock = host->dev;
         struct mmc_host *mmc = tifm_get_drvdata(sock);
         struct mmc_request *mrq;
-        struct mmc_data *r_data = 0;
+        struct mmc_data *r_data = NULL;
         unsigned long flags;
 
         spin_lock_irqsave(&sock->lock, flags);
 
         mrq = host->req;
-        host->req = 0;
+        host->req = NULL;
         host->state = IDLE;
 
         if (!mrq) {
@@ -546,7 +546,7 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq)
         struct tifm_dev *sock = host->dev;
         unsigned long flags;
         struct mmc_data *r_data = mrq->cmd->data;
-        char *t_buffer = 0;
+        char *t_buffer = NULL;
 
         if (r_data) {
                 t_buffer = kmap(r_data->sg->page);
@@ -613,13 +613,13 @@ static void tifm_sd_end_cmd_nodma(void *data)
         struct tifm_dev *sock = host->dev;
         struct mmc_host *mmc = tifm_get_drvdata(sock);
         struct mmc_request *mrq;
-        struct mmc_data *r_data = 0;
+        struct mmc_data *r_data = NULL;
         unsigned long flags;
 
         spin_lock_irqsave(&sock->lock, flags);
 
         mrq = host->req;
-        host->req = 0;
+        host->req = NULL;
         host->state = IDLE;
 
         if (!mrq) {
@@ -644,7 +644,7 @@ static void tifm_sd_end_cmd_nodma(void *data)
                         r_data->bytes_xfered += r_data->blksz -
                                 readl(sock->addr + SOCK_MMCSD_BLOCK_LEN) + 1;
                 }
-                host->buffer = 0;
+                host->buffer = NULL;
                 host->buffer_pos = 0;
                 host->buffer_size = 0;
         }
@@ -895,7 +895,7 @@ static void tifm_sd_remove(struct tifm_dev *sock)
                 sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
         writel(0, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
 
-        tifm_set_drvdata(sock, 0);
+        tifm_set_drvdata(sock, NULL);
         mmc_free_host(mmc);
 }
 
diff --git a/drivers/net/7990.c b/drivers/net/7990.c
index 8e996b4a34ea..7733697f7776 100644
--- a/drivers/net/7990.c
+++ b/drivers/net/7990.c
@@ -674,7 +674,7 @@ void lance_poll(struct net_device *dev)
         WRITERAP(lp, LE_CSR0);
         WRITERDP(lp, LE_C0_STRT);
         spin_unlock (&lp->devlock);
-        lance_interrupt(dev->irq, dev, NULL);
+        lance_interrupt(dev->irq, dev);
 }
 #endif
 
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 3641f3b4a2cc..615d2b14efa7 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -346,7 +346,7 @@ static void dm9000_timeout(struct net_device *dev)
 static void dm9000_poll_controller(struct net_device *dev)
 {
         disable_irq(dev->irq);
-        dm9000_interrupt(dev->irq,dev,NULL);
+        dm9000_interrupt(dev->irq,dev);
         enable_irq(dev->irq);
 }
 #endif
diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c
index 8cbd940f0ac2..f4d815bca643 100644
--- a/drivers/net/lasi_82596.c
+++ b/drivers/net/lasi_82596.c
@@ -1252,7 +1252,7 @@ static int __devinit i82596_probe(struct net_device *dev,
 static void i596_poll_controller(struct net_device *dev)
 {
         disable_irq(dev->irq);
-        i596_interrupt(dev->irq, dev, NULL);
+        i596_interrupt(dev->irq, dev);
         enable_irq(dev->irq);
 }
 #endif
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index d26a819a9735..2ffa3a59e704 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1251,7 +1251,7 @@ static void mv643xx_netpoll(struct net_device *netdev)
         /* wait for previous write to complete */
         mv_read(MV643XX_ETH_INTERRUPT_MASK_REG(port_num));
 
-        mv643xx_eth_int_handler(netdev->irq, netdev, NULL);
+        mv643xx_eth_int_handler(netdev->irq, netdev);
 
         mv_write(MV643XX_ETH_INTERRUPT_MASK_REG(port_num), ETH_INT_UNMASK_ALL);
 }
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index 506807fa5268..95b6478f55c6 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -1400,7 +1400,7 @@ static irqreturn_t smc_interrupt(int irq, void *dev_id)
 static void smc_poll_controller(struct net_device *dev)
 {
         disable_irq(dev->irq);
-        smc_interrupt(dev->irq, dev, NULL);
+        smc_interrupt(dev->irq, dev);
         enable_irq(dev->irq);
 }
 #endif
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index a0a8fd8d2124..03c763c2d0e0 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -389,7 +389,7 @@ ilr_again:
                 int irq = dino_dev->global_irq[local_irq];
                 DBG(KERN_DEBUG "%s(%d, %p) mask 0x%x\n",
                         __FUNCTION__, irq, intr_dev, mask);
-                __do_IRQ(irq, regs);
+                __do_IRQ(irq);
                 mask &= ~(1 << local_irq);
         } while (mask);
 
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 094562e044f3..e97cecbc4d18 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -234,7 +234,7 @@ static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
         }
         spin_unlock_irqrestore(&eisa_irq_lock, flags);
 
-        __do_IRQ(irq, regs);
+        __do_IRQ(irq);
    
         spin_lock_irqsave(&eisa_irq_lock, flags);
         /* unmask */
diff --git a/drivers/parport/parport_mfc3.c b/drivers/parport/parport_mfc3.c
index 6541cde4df00..e5b0a544de40 100644
--- a/drivers/parport/parport_mfc3.c
+++ b/drivers/parport/parport_mfc3.c
@@ -219,7 +219,7 @@ static irqreturn_t mfc3_interrupt(int irq, void *dev_id)
                 if (this_port[i] != NULL)
                         if (pia(this_port[i])->crb & 128) { /* Board caused interrupt */
                                 dummy = pia(this_port[i])->pprb; /* clear irq bit */
-                                parport_generic_irq(irq, this_port[i], regs);
+                                parport_generic_irq(irq, this_port[i]);
                         }
         return IRQ_HANDLED;
 }
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index d758c90c86af..9793533276ec 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -48,7 +48,7 @@
 
 static irqreturn_t parport_sunbpp_interrupt(int irq, void *dev_id)
 {
-        parport_generic_irq(irq, (struct parport *) dev_id, regs);
+        parport_generic_irq(irq, (struct parport *) dev_id);
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c
index 0964fd76bfe3..bbf025874d0c 100644
--- a/drivers/pcmcia/m32r_pcc.c
+++ b/drivers/pcmcia/m32r_pcc.c
@@ -395,7 +395,7 @@ static irqreturn_t pcc_interrupt(int irq, void *dev)
 
 static void pcc_interrupt_wrapper(u_long data)
 {
-        pcc_interrupt(0, NULL, NULL);
+        pcc_interrupt(0, NULL);
         init_timer(&poll_timer);
         poll_timer.expires = jiffies + poll_interval;
         add_timer(&poll_timer);
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index c85ac1a77608..7656a35f5e2f 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -590,7 +590,7 @@ static void m32r_sio_timeout(unsigned long data)
         sts = sio_in(up, SIOSTS);
         if (sts & 0x5) {
                 spin_lock(&up->port.lock);
-                m32r_sio_handle_port(up, sts, NULL);
+                m32r_sio_handle_port(up, sts);
                 spin_unlock(&up->port.lock);
         }
 
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index aa819d3f8ee5..8ad1b8c5ec5d 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -230,7 +230,7 @@ static void mux_read(struct uart_port *port)
                                 continue;
                 }
 
-                if (uart_handle_sysrq_char(port, data & 0xffu, NULL))
+                if (uart_handle_sysrq_char(port, data & 0xffu))
                         continue;
 
                 tty_insert_flip_char(tty, data & 0xFF, TTY_NORMAL);
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index 7c0fe1dc96a9..792becdfe6f8 100644
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -389,7 +389,7 @@ static void receive_chars(struct dec_serial *info)
                         if (ch == 0)
                                 continue;
                         if (time_before(jiffies, break_pressed + HZ * 5)) {
-                                handle_sysrq(ch, regs, NULL);
+                                handle_sysrq(ch, NULL);
                                 break_pressed = 0;
                                 continue;
                         }
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 4d2946e540cf..f1f32d7be5f9 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1551,7 +1551,7 @@ return_urb:
                         ep->already_seen = ep->setup_stage = 0;
 
                 spin_unlock (&dum->lock);
-                usb_hcd_giveback_urb (dummy_to_hcd(dum), urb, NULL);
+                usb_hcd_giveback_urb (dummy_to_hcd(dum), urb);
                 spin_lock (&dum->lock);
 
                 goto restart;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 2306d493e55b..021be39fe16e 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1087,7 +1087,7 @@ static int mos7840_open(struct usb_serial_port *port, struct file *filp)
         mos7840_port->icount.tx = 0;
         mos7840_port->icount.rx = 0;
 
-        dbg("\n\nusb_serial serial:%x       mos7840_port:%x\n      usb_serial_port port:%x\n\n", (unsigned int)serial, (unsigned int)mos7840_port, (unsigned int)port);
+        dbg("\n\nusb_serial serial:%p       mos7840_port:%p\n      usb_serial_port port:%p\n\n", serial, mos7840_port, port);
 
         return 0;
 
@@ -1420,7 +1420,6 @@ static int mos7840_write(struct usb_serial_port *port,
         int i;
         int bytes_sent = 0;
         int transfer_size;
-        int from_user = 0;
 
         struct moschip_port *mos7840_port;
         struct usb_serial *serial;
@@ -1511,15 +1510,7 @@ static int mos7840_write(struct usb_serial_port *port,
         }
         transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE);
 
-        if (from_user) {
-                if (copy_from_user
-                    (urb->transfer_buffer, current_position, transfer_size)) {
-                        bytes_sent = -EFAULT;
-                        goto exit;
-                }
-        } else {
-                memcpy(urb->transfer_buffer, current_position, transfer_size);
-        }
+        memcpy(urb->transfer_buffer, current_position, transfer_size);
 
         /* fill urb with data and submit  */
         usb_fill_bulk_urb(urb,
@@ -2225,7 +2216,7 @@ static void mos7840_set_termios(struct usb_serial_port *port,
  *****************************************************************************/
 
 static int mos7840_get_lsr_info(struct moschip_port *mos7840_port,
-                                unsigned int *value)
+                                unsigned int __user *value)
 {
         int count;
         unsigned int result = 0;
@@ -2248,7 +2239,7 @@ static int mos7840_get_lsr_info(struct moschip_port *mos7840_port,
  *****************************************************************************/
 
 static int mos7840_get_bytes_avail(struct moschip_port *mos7840_port,
-                                   unsigned int *value)
+                                   unsigned int __user *value)
 {
         unsigned int result = 0;
         struct tty_struct *tty = mos7840_port->port->tty;
@@ -2271,7 +2262,7 @@ static int mos7840_get_bytes_avail(struct moschip_port *mos7840_port,
  *****************************************************************************/
 
 static int mos7840_set_modem_info(struct moschip_port *mos7840_port,
-                                  unsigned int cmd, unsigned int *value)
+                                  unsigned int cmd, unsigned int __user *value)
 {
         unsigned int mcr;
         unsigned int arg;
@@ -2341,7 +2332,7 @@ static int mos7840_set_modem_info(struct moschip_port *mos7840_port,
  *****************************************************************************/
 
 static int mos7840_get_modem_info(struct moschip_port *mos7840_port,
-                                  unsigned int *value)
+                                  unsigned int __user *value)
 {
         unsigned int result = 0;
         __u16 msr;
@@ -2370,7 +2361,7 @@ static int mos7840_get_modem_info(struct moschip_port *mos7840_port,
  *****************************************************************************/
 
 static int mos7840_get_serial_info(struct moschip_port *mos7840_port,
-                                   struct serial_struct *retinfo)
+                                   struct serial_struct __user *retinfo)
 {
         struct serial_struct tmp;
 
@@ -2405,6 +2396,7 @@ static int mos7840_get_serial_info(struct moschip_port *mos7840_port,
 static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
                          unsigned int cmd, unsigned long arg)
 {
+        void __user *argp = (void __user *)arg;
         struct moschip_port *mos7840_port;
         struct tty_struct *tty;
 
@@ -2433,16 +2425,13 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
 
         case TIOCINQ:
                 dbg("%s (%d) TIOCINQ", __FUNCTION__, port->number);
-                return mos7840_get_bytes_avail(mos7840_port,
-                                               (unsigned int *)arg);
-                break;
+                return mos7840_get_bytes_avail(mos7840_port, argp);
 
         case TIOCOUTQ:
                 dbg("%s (%d) TIOCOUTQ", __FUNCTION__, port->number);
                 return put_user(tty->driver->chars_in_buffer ?
                                 tty->driver->chars_in_buffer(tty) : 0,
                                 (int __user *)arg);
-                break;
 
         case TCFLSH:
                 retval = tty_check_change(tty);
@@ -2472,13 +2461,13 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
 
         case TCGETS:
                 if (kernel_termios_to_user_termios
-                    ((struct termios __user *)arg, tty->termios))
+                    ((struct termios __user *)argp, tty->termios))
                         return -EFAULT;
                 return 0;
 
         case TIOCSERGETLSR:
                 dbg("%s (%d) TIOCSERGETLSR", __FUNCTION__, port->number);
-                return mos7840_get_lsr_info(mos7840_port, (unsigned int *)arg);
+                return mos7840_get_lsr_info(mos7840_port, argp);
                 return 0;
 
         case TIOCMBIS:
@@ -2487,19 +2476,16 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
                 dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__,
                     port->number);
                 mosret =
-                    mos7840_set_modem_info(mos7840_port, cmd,
-                                           (unsigned int *)arg);
+                    mos7840_set_modem_info(mos7840_port, cmd, argp);
                 return mosret;
 
         case TIOCMGET:
                 dbg("%s (%d) TIOCMGET", __FUNCTION__, port->number);
-                return mos7840_get_modem_info(mos7840_port,
-                                              (unsigned int *)arg);
+                return mos7840_get_modem_info(mos7840_port, argp);
 
         case TIOCGSERIAL:
                 dbg("%s (%d) TIOCGSERIAL", __FUNCTION__, port->number);
-                return mos7840_get_serial_info(mos7840_port,
-                                               (struct serial_struct *)arg);
+                return mos7840_get_serial_info(mos7840_port, argp);
 
         case TIOCSSERIAL:
                 dbg("%s (%d) TIOCSSERIAL", __FUNCTION__, port->number);
@@ -2549,7 +2535,7 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
 
                 dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __FUNCTION__,
                     port->number, icount.rx, icount.tx);
-                if (copy_to_user((void *)arg, &icount, sizeof(icount)))
+                if (copy_to_user(argp, &icount, sizeof(icount)))
                         return -EFAULT;
                 return 0;
 
@@ -2817,7 +2803,7 @@ static int mos7840_startup(struct usb_serial *serial)
 
         /* setting configuration feature to one */
         usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
-                        (__u8) 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 5 * HZ);
+                        (__u8) 0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5 * HZ);
         return 0;
 }