USB: gadget code switches to pr_err() and friends

We now have pr_err(), pr_warning(), and friends ... start using
them in the gadget stack instead of printk(KERN_ERR) and friends.
This gives us shorter lines and somewhat increased readability.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

14 files changed, 151 insertions, 171 deletions

diff --git a/drivers/usb/gadget/at91_udc.h b/drivers/usb/gadget/at91_udc.h
index 7e34e2f864f9..aecc7225a8c6 100644
--- a/drivers/usb/gadget/at91_udc.h
+++ b/drivers/usb/gadget/at91_udc.h
@@ -158,12 +158,6 @@ struct at91_request {
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef DEBUG
-#define DBG(stuff...)           printk(KERN_DEBUG "udc: " stuff)
-#else
-#define DBG(stuff...)           do{}while(0)
-#endif
-
 #ifdef VERBOSE
 #    define VDBG                DBG
 #else
@@ -176,9 +170,10 @@ struct at91_request {
 #    define PACKET(stuff...)    do{}while(0)
 #endif
 
-#define ERR(stuff...)           printk(KERN_ERR "udc: " stuff)
-#define WARN(stuff...)          printk(KERN_WARNING "udc: " stuff)
-#define INFO(stuff...)          printk(KERN_INFO "udc: " stuff)
+#define ERR(stuff...)           pr_err("udc: " stuff)
+#define WARN(stuff...)          pr_warning("udc: " stuff)
+#define INFO(stuff...)          pr_info("udc: " stuff)
+#define DBG(stuff...)           pr_debug("udc: " stuff)
 
 #endif
 
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 4fb5ff469574..af8b2a3a2d4a 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1384,8 +1384,7 @@ delegate:
         return retval;
 
 stall:
-        printk(KERN_ERR
-                "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
+        pr_err("udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
                 "halting endpoint...\n",
                 ep->ep.name, crq->bRequestType, crq->bRequest,
                 le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex),
@@ -1456,8 +1455,7 @@ restart:
                                 set_protocol_stall(udc, ep);
                         break;
                 default:
-                        printk(KERN_ERR
-                                "udc: %s: TXCOMP: Invalid endpoint state %d, "
+                        pr_err("udc: %s: TXCOMP: Invalid endpoint state %d, "
                                 "halting endpoint...\n",
                                 ep->ep.name, ep->state);
                         set_protocol_stall(udc, ep);
@@ -1486,8 +1484,7 @@ restart:
                 default:
                         usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
                         usba_ep_writel(ep, CTL_DIS, USBA_RX_BK_RDY);
-                        printk(KERN_ERR
-                                "udc: %s: RXRDY: Invalid endpoint state %d, "
+                        pr_err("udc: %s: RXRDY: Invalid endpoint state %d, "
                                 "halting endpoint...\n",
                                 ep->ep.name, ep->state);
                         set_protocol_stall(udc, ep);
@@ -1532,7 +1529,7 @@ restart:
                 pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
                 DBG(DBG_HW, "Packet length: %u\n", pkt_len);
                 if (pkt_len != sizeof(crq)) {
-                        printk(KERN_WARNING "udc: Invalid packet length %u "
+                        pr_warning("udc: Invalid packet length %u "
                                 "(expected %lu)\n", pkt_len, sizeof(crq));
                         set_protocol_stall(udc, ep);
                         return;
diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
index a68304e31a68..08bf6f9aaf7e 100644
--- a/drivers/usb/gadget/atmel_usba_udc.h
+++ b/drivers/usb/gadget/atmel_usba_udc.h
@@ -216,7 +216,6 @@
 #define FIFO_IOMEM_ID   0
 #define CTRL_IOMEM_ID   1
 
-#ifdef DEBUG
 #define DBG_ERR         0x0001  /* report all error returns */
 #define DBG_HW          0x0002  /* debug hardware initialization */
 #define DBG_GADGET      0x0004  /* calls to/from gadget driver */
@@ -230,14 +229,12 @@
 #define DBG_NONE        0x0000
 
 #define DEBUG_LEVEL     (DBG_ERR)
+
 #define DBG(level, fmt, ...)                                    \
         do {                                                    \
                 if ((level) & DEBUG_LEVEL)                      \
-                        printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \
+                        pr_debug("udc: " fmt, ## __VA_ARGS__);  \
         } while (0)
-#else
-#define DBG(level, fmt...)
-#endif
 
 enum usba_ctrl_state {
         WAIT_FOR_SETUP,
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 1d174dcb3ac9..3301167d4f2a 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -275,19 +275,15 @@ MODULE_LICENSE("Dual BSD/GPL");
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef DEBUG
 #define LDBG(lun,fmt,args...) \
         dev_dbg(&(lun)->dev , fmt , ## args)
 #define MDBG(fmt,args...) \
-        printk(KERN_DEBUG DRIVER_NAME ": " fmt , ## args)
-#else
-#define LDBG(lun,fmt,args...) \
-        do { } while (0)
-#define MDBG(fmt,args...) \
-        do { } while (0)
+        pr_debug(DRIVER_NAME ": " fmt , ## args)
+
+#ifndef DEBUG
 #undef VERBOSE_DEBUG
 #undef DUMP_MSGS
-#endif /* DEBUG */
+#endif /* !DEBUG */
 
 #ifdef VERBOSE_DEBUG
 #define VLDBG   LDBG
@@ -304,7 +300,7 @@ MODULE_LICENSE("Dual BSD/GPL");
         dev_info(&(lun)->dev , fmt , ## args)
 
 #define MINFO(fmt,args...) \
-        printk(KERN_INFO DRIVER_NAME ": " fmt , ## args)
+        pr_info(DRIVER_NAME ": " fmt , ## args)
 
 #define DBG(d, fmt, args...) \
         dev_dbg(&(d)->gadget->dev , fmt , ## args)
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 832ab82b4882..9fb0b1ec8526 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -551,9 +551,9 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 #define VDBG(stuff...)  do{}while(0)
 #endif
 
-#define ERR(stuff...)           printk(KERN_ERR "udc: " stuff)
-#define WARN(stuff...)          printk(KERN_WARNING "udc: " stuff)
-#define INFO(stuff...)          printk(KERN_INFO "udc: " stuff)
+#define ERR(stuff...)           pr_err("udc: " stuff)
+#define WARN(stuff...)          pr_warning("udc: " stuff)
+#define INFO(stuff...)          pr_info("udc: " stuff)
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 7da7fcb05640..5b42ccd0035f 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -1158,7 +1158,7 @@ static int __devinit gmidi_bind(struct usb_gadget *gadget)
         /* support optional vendor/distro customization */
         if (idVendor) {
                 if (!idProduct) {
-                        printk(KERN_ERR "idVendor needs idProduct!\n");
+                        pr_err("idVendor needs idProduct!\n");
                         return -ENODEV;
                 }
                 device_desc.idVendor = cpu_to_le16(idVendor);
@@ -1190,7 +1190,7 @@ static int __devinit gmidi_bind(struct usb_gadget *gadget)
         in_ep = usb_ep_autoconfig(gadget, &bulk_in_desc);
         if (!in_ep) {
 autoconf_fail:
-                printk(KERN_ERR "%s: can't autoconfigure on %s\n",
+                pr_err("%s: can't autoconfigure on %s\n",
                         shortname, gadget->name);
                 return -ENODEV;
         }
@@ -1212,7 +1212,7 @@ autoconf_fail:
                  * it SHOULD NOT have problems with bulk-capable hardware.
                  * so warn about unrecognized controllers, don't panic.
                  */
-                printk(KERN_WARNING "%s: controller '%s' not recognized\n",
+                pr_warning("%s: controller '%s' not recognized\n",
                         shortname, gadget->name);
                 device_desc.bcdDevice = __constant_cpu_to_le16(0x9999);
         }
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 47ef8bd58a00..805602a687cb 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1699,7 +1699,7 @@ gadgetfs_bind (struct usb_gadget *gadget)
         if (!dev)
                 return -ESRCH;
         if (0 != strcmp (CHIP, gadget->name)) {
-                printk (KERN_ERR "%s expected %s controller not %s\n",
+                pr_err("%s expected %s controller not %s\n",
                         shortname, CHIP, gadget->name);
                 return -ENODEV;
         }
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 478d8349cf00..43f02189dc44 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -147,7 +147,7 @@ static inline u16 control_reg_get_pid(struct m66592 *m66592, u16 pipenum)
                 offset = get_pipectr_addr(pipenum);
                 pid = m66592_read(m66592, offset) & M66592_PID;
         } else
-                printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+                pr_err("unexpect pipe num (%d)\n", pipenum);
 
         return pid;
 }
@@ -163,7 +163,7 @@ static inline void control_reg_set_pid(struct m66592 *m66592, u16 pipenum,
                 offset = get_pipectr_addr(pipenum);
                 m66592_mdfy(m66592, pid, M66592_PID, offset);
         } else
-                printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+                pr_err("unexpect pipe num (%d)\n", pipenum);
 }
 
 static inline void pipe_start(struct m66592 *m66592, u16 pipenum)
@@ -192,7 +192,7 @@ static inline u16 control_reg_get(struct m66592 *m66592, u16 pipenum)
                 offset = get_pipectr_addr(pipenum);
                 ret = m66592_read(m66592, offset);
         } else
-                printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+                pr_err("unexpect pipe num (%d)\n", pipenum);
 
         return ret;
 }
@@ -209,7 +209,7 @@ static inline void control_reg_sqclr(struct m66592 *m66592, u16 pipenum)
                 offset = get_pipectr_addr(pipenum);
                 m66592_bset(m66592, M66592_SQCLR, offset);
         } else
-                printk(KERN_ERR "unexpect pipe num(%d)\n", pipenum);
+                pr_err("unexpect pipe num(%d)\n", pipenum);
 }
 
 static inline int get_buffer_size(struct m66592 *m66592, u16 pipenum)
@@ -291,7 +291,7 @@ static int pipe_buffer_setting(struct m66592 *m66592,
                 break;
         }
         if (m66592->bi_bufnum > M66592_MAX_BUFNUM) {
-                printk(KERN_ERR "m66592 pipe memory is insufficient(%d)\n",
+                pr_err("m66592 pipe memory is insufficient(%d)\n",
                                 m66592->bi_bufnum);
                 return -ENOMEM;
         }
@@ -332,7 +332,7 @@ static void pipe_buffer_release(struct m66592 *m66592,
                 if (info->type == M66592_BULK)
                         m66592->bulk--;
         } else
-                printk(KERN_ERR "ep_release: unexpect pipenum (%d)\n",
+                pr_err("ep_release: unexpect pipenum (%d)\n",
                                 info->pipe);
 }
 
@@ -430,7 +430,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
         case USB_ENDPOINT_XFER_BULK:
                 if (m66592->bulk >= M66592_MAX_NUM_BULK) {
                         if (m66592->isochronous >= M66592_MAX_NUM_ISOC) {
-                                printk(KERN_ERR "bulk pipe is insufficient\n");
+                                pr_err("bulk pipe is insufficient\n");
                                 return -ENODEV;
                         } else {
                                 info.pipe = M66592_BASE_PIPENUM_ISOC
@@ -446,7 +446,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
                 break;
         case USB_ENDPOINT_XFER_INT:
                 if (m66592->interrupt >= M66592_MAX_NUM_INT) {
-                        printk(KERN_ERR "interrupt pipe is insufficient\n");
+                        pr_err("interrupt pipe is insufficient\n");
                         return -ENODEV;
                 }
                 info.pipe = M66592_BASE_PIPENUM_INT + m66592->interrupt;
@@ -455,7 +455,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
                 break;
         case USB_ENDPOINT_XFER_ISOC:
                 if (m66592->isochronous >= M66592_MAX_NUM_ISOC) {
-                        printk(KERN_ERR "isochronous pipe is insufficient\n");
+                        pr_err("isochronous pipe is insufficient\n");
                         return -ENODEV;
                 }
                 info.pipe = M66592_BASE_PIPENUM_ISOC + m66592->isochronous;
@@ -463,7 +463,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
                 counter = &m66592->isochronous;
                 break;
         default:
-                printk(KERN_ERR "unexpect xfer type\n");
+                pr_err("unexpect xfer type\n");
                 return -EINVAL;
         }
         ep->type = info.type;
@@ -478,7 +478,7 @@ static int alloc_pipe_config(struct m66592_ep *ep,
 
         ret = pipe_buffer_setting(m66592, &info);
         if (ret < 0) {
-                printk(KERN_ERR "pipe_buffer_setting fail\n");
+                pr_err("pipe_buffer_setting fail\n");
                 return ret;
         }
 
@@ -614,7 +614,7 @@ static void start_ep0(struct m66592_ep *ep, struct m66592_request *req)
                 control_end(ep->m66592, 0);
                 break;
         default:
-                printk(KERN_ERR "start_ep0: unexpect ctsq(%x)\n", ctsq);
+                pr_err("start_ep0: unexpect ctsq(%x)\n", ctsq);
                 break;
         }
 }
@@ -748,7 +748,7 @@ static void irq_ep0_write(struct m66592_ep *ep, struct m66592_request *req)
         do {
                 tmp = m66592_read(m66592, ep->fifoctr);
                 if (i++ > 100000) {
-                        printk(KERN_ERR "pipe0 is busy. maybe cpu i/o bus "
+                        pr_err("pipe0 is busy. maybe cpu i/o bus "
                                 "conflict. please power off this controller.");
                         return;
                 }
@@ -798,7 +798,7 @@ static void irq_packet_write(struct m66592_ep *ep, struct m66592_request *req)
         if (unlikely((tmp & M66592_FRDY) == 0)) {
                 pipe_stop(m66592, pipenum);
                 pipe_irq_disable(m66592, pipenum);
-                printk(KERN_ERR "write fifo not ready. pipnum=%d\n", pipenum);
+                pr_err("write fifo not ready. pipnum=%d\n", pipenum);
                 return;
         }
 
@@ -847,7 +847,7 @@ static void irq_packet_read(struct m66592_ep *ep, struct m66592_request *req)
                 req->req.status = -EPIPE;
                 pipe_stop(m66592, pipenum);
                 pipe_irq_disable(m66592, pipenum);
-                printk(KERN_ERR "read fifo not ready");
+                pr_err("read fifo not ready");
                 return;
         }
 
@@ -1102,7 +1102,7 @@ static void m66592_update_usb_speed(struct m66592 *m66592)
                 break;
         default:
                 m66592->gadget.speed = USB_SPEED_UNKNOWN;
-                printk(KERN_ERR "USB speed unknown\n");
+                pr_err("USB speed unknown\n");
         }
 }
 
@@ -1161,7 +1161,7 @@ __acquires(m66592->lock)
                 control_end(m66592, 0);
                 break;
         default:
-                printk(KERN_ERR "ctrl_stage: unexpect ctsq(%x)\n", ctsq);
+                pr_err("ctrl_stage: unexpect ctsq(%x)\n", ctsq);
                 break;
         }
 }
@@ -1461,13 +1461,13 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
         retval = device_add(&m66592->gadget.dev);
         if (retval) {
-                printk(KERN_ERR "device_add error (%d)\n", retval);
+                pr_err("device_add error (%d)\n", retval);
                 goto error;
         }
 
         retval = driver->bind (&m66592->gadget);
         if (retval) {
-                printk(KERN_ERR "bind to driver error (%d)\n", retval);
+                pr_err("bind to driver error (%d)\n", retval);
                 device_del(&m66592->gadget.dev);
                 goto error;
         }
@@ -1561,28 +1561,28 @@ static int __init m66592_probe(struct platform_device *pdev)
                         (char *)udc_name);
         if (!res) {
                 ret = -ENODEV;
-                printk(KERN_ERR "platform_get_resource_byname error.\n");
+                pr_err("platform_get_resource_byname error.\n");
                 goto clean_up;
         }
 
         irq = platform_get_irq(pdev, 0);
         if (irq < 0) {
                 ret = -ENODEV;
-                printk(KERN_ERR "platform_get_irq error.\n");
+                pr_err("platform_get_irq error.\n");
                 goto clean_up;
         }
 
         reg = ioremap(res->start, resource_len(res));
         if (reg == NULL) {
                 ret = -ENOMEM;
-                printk(KERN_ERR "ioremap error.\n");
+                pr_err("ioremap error.\n");
                 goto clean_up;
         }
 
         /* initialize ucd */
         m66592 = kzalloc(sizeof(struct m66592), GFP_KERNEL);
         if (m66592 == NULL) {
-                printk(KERN_ERR "kzalloc error\n");
+                pr_err("kzalloc error\n");
                 goto clean_up;
         }
 
@@ -1608,7 +1608,7 @@ static int __init m66592_probe(struct platform_device *pdev)
         ret = request_irq(irq, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
                         udc_name, m66592);
         if (ret < 0) {
-                printk(KERN_ERR "request_irq error (%d)\n", ret);
+                pr_err("request_irq error (%d)\n", ret);
                 goto clean_up;
         }
 
diff --git a/drivers/usb/gadget/omap_udc.h b/drivers/usb/gadget/omap_udc.h
index 1dc398bb9ab2..c6b9cbc7230a 100644
--- a/drivers/usb/gadget/omap_udc.h
+++ b/drivers/usb/gadget/omap_udc.h
@@ -182,21 +182,16 @@ struct omap_udc {
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef DEBUG
-#define DBG(stuff...)           printk(KERN_DEBUG "udc: " stuff)
-#else
-#define DBG(stuff...)           do{}while(0)
-#endif
-
 #ifdef VERBOSE
 #    define VDBG                DBG
 #else
 #    define VDBG(stuff...)      do{}while(0)
 #endif
 
-#define ERR(stuff...)           printk(KERN_ERR "udc: " stuff)
-#define WARN(stuff...)          printk(KERN_WARNING "udc: " stuff)
-#define INFO(stuff...)          printk(KERN_INFO "udc: " stuff)
+#define ERR(stuff...)           pr_err("udc: " stuff)
+#define WARN(stuff...)          pr_warning("udc: " stuff)
+#define INFO(stuff...)          pr_info("udc: " stuff)
+#define DBG(stuff...)           pr_debug("udc: " stuff)
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 3173b39f0bfd..8c139d416ac4 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -2099,7 +2099,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
         /* insist on Intel/ARM/XScale */
         asm("mrc%? p15, 0, %0, c0, c0" : "=r" (chiprev));
         if ((chiprev & CP15R0_VENDOR_MASK) != CP15R0_XSCALE_VALUE) {
-                printk(KERN_ERR "%s: not XScale!\n", driver_name);
+                pr_err("%s: not XScale!\n", driver_name);
                 return -ENODEV;
         }
 
@@ -2128,7 +2128,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
                 break;
 #endif
         default:
-                printk(KERN_ERR "%s: unrecognized processor: %08x\n",
+                pr_err("%s: unrecognized processor: %08x\n",
                         driver_name, chiprev);
                 /* iop3xx, ixp4xx, ... */
                 return -ENODEV;
@@ -2199,7 +2199,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
         retval = request_irq(irq, pxa2xx_udc_irq,
                         IRQF_DISABLED, driver_name, dev);
         if (retval != 0) {
-                printk(KERN_ERR "%s: can't get irq %d, err %d\n",
+                pr_err("%s: can't get irq %d, err %d\n",
                         driver_name, irq, retval);
                 goto err_irq1;
         }
@@ -2212,7 +2212,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
                                 IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                                 driver_name, dev);
                 if (retval != 0) {
-                        printk(KERN_ERR "%s: can't get irq %i, err %d\n",
+                        pr_err("%s: can't get irq %i, err %d\n",
                                 driver_name, LUBBOCK_USB_DISC_IRQ, retval);
 lubbock_fail0:
                         goto err_irq_lub;
@@ -2222,7 +2222,7 @@ lubbock_fail0:
                                 IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                                 driver_name, dev);
                 if (retval != 0) {
-                        printk(KERN_ERR "%s: can't get irq %i, err %d\n",
+                        pr_err("%s: can't get irq %i, err %d\n",
                                 driver_name, LUBBOCK_USB_IRQ, retval);
                         free_irq(LUBBOCK_USB_DISC_IRQ, dev);
                         goto lubbock_fail0;
@@ -2235,7 +2235,7 @@ lubbock_fail0:
                                 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                                 driver_name, dev);
                 if (retval != 0) {
-                        printk(KERN_ERR "%s: can't get irq %i, err %d\n",
+                        pr_err("%s: can't get irq %i, err %d\n",
                                 driver_name, vbus_irq, retval);
                         goto err_vbus_irq;
                 }
@@ -2361,7 +2361,7 @@ static struct platform_driver udc_driver = {
 
 static int __init udc_init(void)
 {
-        printk(KERN_INFO "%s: version %s\n", driver_name, DRIVER_VERSION);
+        pr_info("%s: version %s\n", driver_name, DRIVER_VERSION);
         return platform_driver_probe(&udc_driver, pxa2xx_udc_probe);
 }
 module_init(udc_init);
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
index 1db46d705777..97a8c45ccd81 100644
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ b/drivers/usb/gadget/pxa2xx_udc.h
@@ -151,6 +151,8 @@ static struct pxa2xx_udc *the_controller;
 #define DBG_NOISY       3       /* ... even more: request level */
 #define DBG_VERY_NOISY  4       /* ... even more: packet level */
 
+#define DMSG(stuff...)  pr_debug("udc: " stuff)
+
 #ifdef DEBUG
 
 static const char *state_name[] = {
@@ -159,8 +161,6 @@ static const char *state_name[] = {
         "EP0_END_XFER", "EP0_STALL"
 };
 
-#define DMSG(stuff...) printk(KERN_DEBUG "udc: " stuff)
-
 #ifdef VERBOSE
 #    define UDC_DEBUG DBG_VERBOSE
 #else
@@ -241,8 +241,6 @@ dump_state(struct pxa2xx_udc *dev)
 
 #else
 
-#define DMSG(stuff...)          do{}while(0)
-
 #define dump_udccr(x)   do{}while(0)
 #define dump_udccs0(x)  do{}while(0)
 #define dump_state(x)   do{}while(0)
@@ -253,8 +251,9 @@ dump_state(struct pxa2xx_udc *dev)
 
 #define DBG(lvl, stuff...) do{if ((lvl) <= UDC_DEBUG) DMSG(stuff);}while(0)
 
-#define WARN(stuff...) printk(KERN_WARNING "udc: " stuff)
-#define INFO(stuff...) printk(KERN_INFO "udc: " stuff)
+#define ERR(stuff...)           pr_err("udc: " stuff)
+#define WARN(stuff...)          pr_warning("udc: " stuff)
+#define INFO(stuff...)          pr_info("udc: " stuff)
 
 
 #endif /* __LINUX_USB_GADGET_PXA2XX_H */
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index db1b2bfcee4e..3d036647431f 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -53,21 +53,18 @@
  */
 
 #if 0
-#define DBG(str,args...) do { \
-        if (rndis_debug) \
-                printk(KERN_DEBUG str , ## args ); \
-        } while (0)
 static int rndis_debug = 0;
-
 module_param (rndis_debug, int, 0);
 MODULE_PARM_DESC (rndis_debug, "enable debugging");
-
 #else
-
 #define rndis_debug             0
-#define DBG(str,args...)        do{}while(0)
 #endif
 
+#define DBG(str,args...) do { \
+        if (rndis_debug) \
+                pr_debug(str , ## args); \
+        } while (0)
+
 #define RNDIS_MAX_CONFIGS       1
 
 
@@ -679,7 +676,7 @@ gen_ndis_query_resp (int configNr, u32 OID, u8 *buf, unsigned buf_len,
 #endif
 
         default:
-                printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
+                pr_warning("%s: query unknown OID 0x%08X\n",
                          __FUNCTION__, OID);
         }
         if (retval < 0)
@@ -804,7 +801,7 @@ update_linkstate:
 #endif  /* RNDIS_PM */
 
         default:
-                printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
+                pr_warning("%s: set unknown OID 0x%08X, size %d\n",
                          __FUNCTION__, OID, buf_len);
         }
 
@@ -1126,8 +1123,7 @@ int rndis_msg_parser (u8 configNr, u8 *buf)
                  * In one case those messages seemed to relate to the host
                  * suspending itself.
                  */
-                printk (KERN_WARNING
-                        "%s: unknown RNDIS message 0x%08X len %d\n",
+                pr_warning("%s: unknown RNDIS message 0x%08X len %d\n",
                         __FUNCTION__ , MsgType, MsgLength);
                 {
                         unsigned i;
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index f5738eb8e765..f5c3896b1d95 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -89,9 +89,9 @@ static int debug = 1;
 #endif
 
 #define gs_debug(format, arg...) \
-        do { if (debug) printk(KERN_DEBUG format, ## arg); } while(0)
+        do { if (debug) pr_debug(format, ## arg); } while (0)
 #define gs_debug_level(level, format, arg...) \
-        do { if (debug>=level) printk(KERN_DEBUG format, ## arg); } while(0)
+        do { if (debug >= level) pr_debug(format, ## arg); } while (0)
 
 
 /* Thanks to NetChip Technologies for donating this product ID.
@@ -553,7 +553,8 @@ static int __init gs_module_init(void)
 
         retval = usb_gadget_register_driver(&gs_gadget_driver);
         if (retval) {
-                printk(KERN_ERR "gs_module_init: cannot register gadget driver, ret=%d\n", retval);
+                pr_err("gs_module_init: cannot register gadget driver, "
+                        "ret=%d\n", retval);
                 return retval;
         }
 
@@ -579,11 +580,13 @@ static int __init gs_module_init(void)
         if (retval) {
                 usb_gadget_unregister_driver(&gs_gadget_driver);
                 put_tty_driver(gs_tty_driver);
-                printk(KERN_ERR "gs_module_init: cannot register tty driver, ret=%d\n", retval);
+                pr_err("gs_module_init: cannot register tty driver, "
+                                "ret=%d\n", retval);
                 return retval;
         }
 
-        printk(KERN_INFO "gs_module_init: %s %s loaded\n", GS_LONG_NAME, GS_VERSION_STR);
+        pr_info("gs_module_init: %s %s loaded\n",
+                        GS_LONG_NAME, GS_VERSION_STR);
         return 0;
 }
 
@@ -598,7 +601,8 @@ static void __exit gs_module_exit(void)
         put_tty_driver(gs_tty_driver);
         usb_gadget_unregister_driver(&gs_gadget_driver);
 
-        printk(KERN_INFO "gs_module_exit: %s %s unloaded\n", GS_LONG_NAME, GS_VERSION_STR);
+        pr_info("gs_module_exit: %s %s unloaded\n",
+                        GS_LONG_NAME, GS_VERSION_STR);
 }
 
 /* TTY Driver */
@@ -621,7 +625,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
         gs_debug("gs_open: (%d,%p,%p)\n", port_num, tty, file);
 
         if (port_num < 0 || port_num >= GS_NUM_PORTS) {
-                printk(KERN_ERR "gs_open: (%d,%p,%p) invalid port number\n",
+                pr_err("gs_open: (%d,%p,%p) invalid port number\n",
                         port_num, tty, file);
                 return -ENODEV;
         }
@@ -629,15 +633,14 @@ static int gs_open(struct tty_struct *tty, struct file *file)
         dev = gs_device;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_open: (%d,%p,%p) NULL device pointer\n",
+                pr_err("gs_open: (%d,%p,%p) NULL device pointer\n",
                         port_num, tty, file);
                 return -ENODEV;
         }
 
         mtx = &gs_open_close_lock[port_num];
         if (mutex_lock_interruptible(mtx)) {
-                printk(KERN_ERR
-                "gs_open: (%d,%p,%p) interrupted waiting for mutex\n",
+                pr_err("gs_open: (%d,%p,%p) interrupted waiting for mutex\n",
                         port_num, tty, file);
                 return -ERESTARTSYS;
         }
@@ -645,8 +648,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
         spin_lock_irqsave(&dev->dev_lock, flags);
 
         if (dev->dev_config == GS_NO_CONFIG_ID) {
-                printk(KERN_ERR
-                        "gs_open: (%d,%p,%p) device is not connected\n",
+                pr_err("gs_open: (%d,%p,%p) device is not connected\n",
                         port_num, tty, file);
                 ret = -ENODEV;
                 goto exit_unlock_dev;
@@ -655,7 +657,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
         port = dev->dev_port[port_num];
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_open: (%d,%p,%p) NULL port pointer\n",
+                pr_err("gs_open: (%d,%p,%p) NULL port pointer\n",
                         port_num, tty, file);
                 ret = -ENODEV;
                 goto exit_unlock_dev;
@@ -665,7 +667,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
         spin_unlock(&dev->dev_lock);
 
         if (port->port_dev == NULL) {
-                printk(KERN_ERR "gs_open: (%d,%p,%p) port disconnected (1)\n",
+                pr_err("gs_open: (%d,%p,%p) port disconnected (1)\n",
                         port_num, tty, file);
                 ret = -EIO;
                 goto exit_unlock_port;
@@ -692,8 +694,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
 
                 /* might have been disconnected while asleep, check */
                 if (port->port_dev == NULL) {
-                        printk(KERN_ERR
-                                "gs_open: (%d,%p,%p) port disconnected (2)\n",
+                        pr_err("gs_open: (%d,%p,%p) port disconnected (2)\n",
                                 port_num, tty, file);
                         port->port_in_use = 0;
                         ret = -EIO;
@@ -701,7 +702,8 @@ static int gs_open(struct tty_struct *tty, struct file *file)
                 }
 
                 if ((port->port_write_buf=buf) == NULL) {
-                        printk(KERN_ERR "gs_open: (%d,%p,%p) cannot allocate port write buffer\n",
+                        pr_err("gs_open: (%d,%p,%p) cannot allocate "
+                                "port write buffer\n",
                                 port_num, tty, file);
                         port->port_in_use = 0;
                         ret = -ENOMEM;
@@ -714,7 +716,7 @@ static int gs_open(struct tty_struct *tty, struct file *file)
 
         /* might have been disconnected while asleep, check */
         if (port->port_dev == NULL) {
-                printk(KERN_ERR "gs_open: (%d,%p,%p) port disconnected (3)\n",
+                pr_err("gs_open: (%d,%p,%p) port disconnected (3)\n",
                         port_num, tty, file);
                 port->port_in_use = 0;
                 ret = -EIO;
@@ -762,7 +764,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
         struct mutex *mtx;
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_close: NULL port pointer\n");
+                pr_err("gs_close: NULL port pointer\n");
                 return;
         }
 
@@ -774,8 +776,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
         spin_lock_irq(&port->port_lock);
 
         if (port->port_open_count == 0) {
-                printk(KERN_ERR
-                        "gs_close: (%d,%p,%p) port is already closed\n",
+                pr_err("gs_close: (%d,%p,%p) port is already closed\n",
                         port->port_num, tty, file);
                 goto exit;
         }
@@ -837,7 +838,7 @@ static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count)
         int ret;
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_write: NULL port pointer\n");
+                pr_err("gs_write: NULL port pointer\n");
                 return -EIO;
         }
 
@@ -850,14 +851,14 @@ static int gs_write(struct tty_struct *tty, const unsigned char *buf, int count)
         spin_lock_irqsave(&port->port_lock, flags);
 
         if (port->port_dev == NULL) {
-                printk(KERN_ERR "gs_write: (%d,%p) port is not connected\n",
+                pr_err("gs_write: (%d,%p) port is not connected\n",
                         port->port_num, tty);
                 ret = -EIO;
                 goto exit;
         }
 
         if (port->port_open_count == 0) {
-                printk(KERN_ERR "gs_write: (%d,%p) port is closed\n",
+                pr_err("gs_write: (%d,%p) port is closed\n",
                         port->port_num, tty);
                 ret = -EBADF;
                 goto exit;
@@ -888,7 +889,7 @@ static void gs_put_char(struct tty_struct *tty, unsigned char ch)
         struct gs_port *port = tty->driver_data;
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_put_char: NULL port pointer\n");
+                pr_err("gs_put_char: NULL port pointer\n");
                 return;
         }
 
@@ -898,13 +899,13 @@ static void gs_put_char(struct tty_struct *tty, unsigned char ch)
         spin_lock_irqsave(&port->port_lock, flags);
 
         if (port->port_dev == NULL) {
-                printk(KERN_ERR "gs_put_char: (%d,%p) port is not connected\n",
+                pr_err("gs_put_char: (%d,%p) port is not connected\n",
                         port->port_num, tty);
                 goto exit;
         }
 
         if (port->port_open_count == 0) {
-                printk(KERN_ERR "gs_put_char: (%d,%p) port is closed\n",
+                pr_err("gs_put_char: (%d,%p) port is closed\n",
                         port->port_num, tty);
                 goto exit;
         }
@@ -924,7 +925,7 @@ static void gs_flush_chars(struct tty_struct *tty)
         struct gs_port *port = tty->driver_data;
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_flush_chars: NULL port pointer\n");
+                pr_err("gs_flush_chars: NULL port pointer\n");
                 return;
         }
 
@@ -933,14 +934,13 @@ static void gs_flush_chars(struct tty_struct *tty)
         spin_lock_irqsave(&port->port_lock, flags);
 
         if (port->port_dev == NULL) {
-                printk(KERN_ERR
-                        "gs_flush_chars: (%d,%p) port is not connected\n",
+                pr_err("gs_flush_chars: (%d,%p) port is not connected\n",
                         port->port_num, tty);
                 goto exit;
         }
 
         if (port->port_open_count == 0) {
-                printk(KERN_ERR "gs_flush_chars: (%d,%p) port is closed\n",
+                pr_err("gs_flush_chars: (%d,%p) port is closed\n",
                         port->port_num, tty);
                 goto exit;
         }
@@ -1038,7 +1038,7 @@ static int gs_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd,
         struct gs_port *port = tty->driver_data;
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_ioctl: NULL port pointer\n");
+                pr_err("gs_ioctl: NULL port pointer\n");
                 return -EIO;
         }
 
@@ -1076,7 +1076,7 @@ static int gs_send(struct gs_dev *dev)
         struct gs_req_entry *req_entry;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_send: NULL device pointer\n");
+                pr_err("gs_send: NULL device pointer\n");
                 return -ENODEV;
         }
 
@@ -1103,7 +1103,7 @@ static int gs_send(struct gs_dev *dev)
                         req->length = len;
                         spin_unlock_irqrestore(&dev->dev_lock, flags);
                         if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
-                                printk(KERN_ERR
+                                pr_err(
                                 "gs_send: cannot queue read request, ret=%d\n",
                                         ret);
                                 spin_lock_irqsave(&dev->dev_lock, flags);
@@ -1144,9 +1144,7 @@ static int gs_send_packet(struct gs_dev *dev, char *packet, unsigned int size)
         port = dev->dev_port[0];
 
         if (port == NULL) {
-                printk(KERN_ERR
-                        "gs_send_packet: port=%d, NULL port pointer\n",
-                        0);
+                pr_err("gs_send_packet: port=%d, NULL port pointer\n", 0);
                 return -EIO;
         }
 
@@ -1193,7 +1191,7 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size)
         port = dev->dev_port[0];
 
         if (port == NULL) {
-                printk(KERN_ERR "gs_recv_packet: port=%d, NULL port pointer\n",
+                pr_err("gs_recv_packet: port=%d, NULL port pointer\n",
                         port->port_num);
                 return -EIO;
         }
@@ -1201,7 +1199,7 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size)
         spin_lock(&port->port_lock);
 
         if (port->port_open_count == 0) {
-                printk(KERN_ERR "gs_recv_packet: port=%d, port is closed\n",
+                pr_err("gs_recv_packet: port=%d, port is closed\n",
                         port->port_num);
                 ret = -EIO;
                 goto exit;
@@ -1211,14 +1209,14 @@ static int gs_recv_packet(struct gs_dev *dev, char *packet, unsigned int size)
         tty = port->port_tty;
 
         if (tty == NULL) {
-                printk(KERN_ERR "gs_recv_packet: port=%d, NULL tty pointer\n",
+                pr_err("gs_recv_packet: port=%d, NULL tty pointer\n",
                         port->port_num);
                 ret = -EIO;
                 goto exit;
         }
 
         if (port->port_tty->magic != TTY_MAGIC) {
-                printk(KERN_ERR "gs_recv_packet: port=%d, bad tty magic\n",
+                pr_err("gs_recv_packet: port=%d, bad tty magic\n",
                         port->port_num);
                 ret = -EIO;
                 goto exit;
@@ -1245,7 +1243,7 @@ static void gs_read_complete(struct usb_ep *ep, struct usb_request *req)
         struct gs_dev *dev = ep->driver_data;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_read_complete: NULL device pointer\n");
+                pr_err("gs_read_complete: NULL device pointer\n");
                 return;
         }
 
@@ -1256,7 +1254,7 @@ static void gs_read_complete(struct usb_ep *ep, struct usb_request *req)
 requeue:
                 req->length = ep->maxpacket;
                 if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
-                        printk(KERN_ERR
+                        pr_err(
                         "gs_read_complete: cannot queue read request, ret=%d\n",
                                 ret);
                 }
@@ -1270,7 +1268,7 @@ requeue:
 
         default:
                 /* unexpected */
-                printk(KERN_ERR
+                pr_err(
                 "gs_read_complete: unexpected status error, status=%d\n",
                         req->status);
                 goto requeue;
@@ -1287,7 +1285,7 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
         struct gs_req_entry *gs_req = req->context;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_write_complete: NULL device pointer\n");
+                pr_err("gs_write_complete: NULL device pointer\n");
                 return;
         }
 
@@ -1296,8 +1294,7 @@ static void gs_write_complete(struct usb_ep *ep, struct usb_request *req)
                 /* normal completion */
 requeue:
                 if (gs_req == NULL) {
-                        printk(KERN_ERR
-                                "gs_write_complete: NULL request pointer\n");
+                        pr_err("gs_write_complete: NULL request pointer\n");
                         return;
                 }
 
@@ -1316,7 +1313,7 @@ requeue:
                 break;
 
         default:
-                printk(KERN_ERR
+                pr_err(
                 "gs_write_complete: unexpected status error, status=%d\n",
                         req->status);
                 goto requeue;
@@ -1351,7 +1348,7 @@ static int __init gs_bind(struct usb_gadget *gadget)
                 gs_device_desc.bcdDevice =
                                 cpu_to_le16(GS_VERSION_NUM | gcnum);
         else {
-                printk(KERN_WARNING "gs_bind: controller '%s' not recognized\n",
+                pr_warning("gs_bind: controller '%s' not recognized\n",
                         gadget->name);
                 /* unrecognized, but safe unless bulk is REALLY quirky */
                 gs_device_desc.bcdDevice =
@@ -1375,7 +1372,7 @@ static int __init gs_bind(struct usb_gadget *gadget)
         if (use_acm) {
                 ep = usb_ep_autoconfig(gadget, &gs_fullspeed_notify_desc);
                 if (!ep) {
-                        printk(KERN_ERR "gs_bind: cannot run ACM on %s\n", gadget->name);
+                        pr_err("gs_bind: cannot run ACM on %s\n", gadget->name);
                         goto autoconf_fail;
                 }
                 gs_device_desc.idProduct = __constant_cpu_to_le16(
@@ -1425,7 +1422,7 @@ static int __init gs_bind(struct usb_gadget *gadget)
         set_gadget_data(gadget, dev);
 
         if ((ret=gs_alloc_ports(dev, GFP_KERNEL)) != 0) {
-                printk(KERN_ERR "gs_bind: cannot allocate ports\n");
+                pr_err("gs_bind: cannot allocate ports\n");
                 gs_unbind(gadget);
                 return ret;
         }
@@ -1441,13 +1438,13 @@ static int __init gs_bind(struct usb_gadget *gadget)
 
         gadget->ep0->driver_data = dev;
 
-        printk(KERN_INFO "gs_bind: %s %s bound\n",
+        pr_info("gs_bind: %s %s bound\n",
                 GS_LONG_NAME, GS_VERSION_STR);
 
         return 0;
 
 autoconf_fail:
-        printk(KERN_ERR "gs_bind: cannot autoconfigure on %s\n", gadget->name);
+        pr_err("gs_bind: cannot autoconfigure on %s\n", gadget->name);
         return -ENODEV;
 }
 
@@ -1480,7 +1477,7 @@ static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
                 set_gadget_data(gadget, NULL);
         }
 
-        printk(KERN_INFO "gs_unbind: %s %s unbound\n", GS_LONG_NAME,
+        pr_info("gs_unbind: %s %s unbound\n", GS_LONG_NAME,
                 GS_VERSION_STR);
 }
 
@@ -1513,7 +1510,8 @@ static int gs_setup(struct usb_gadget *gadget,
                 break;
 
         default:
-                printk(KERN_ERR "gs_setup: unknown request, type=%02x, request=%02x, value=%04x, index=%04x, length=%d\n",
+                pr_err("gs_setup: unknown request, type=%02x, request=%02x, "
+                        "value=%04x, index=%04x, length=%d\n",
                         ctrl->bRequestType, ctrl->bRequest,
                         wValue, wIndex, wLength);
                 break;
@@ -1526,7 +1524,7 @@ static int gs_setup(struct usb_gadget *gadget,
                                 && (ret % gadget->ep0->maxpacket) == 0;
                 ret = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
                 if (ret < 0) {
-                        printk(KERN_ERR "gs_setup: cannot queue response, ret=%d\n",
+                        pr_err("gs_setup: cannot queue response, ret=%d\n",
                                 ret);
                         req->status = 0;
                         gs_setup_complete(gadget->ep0, req);
@@ -1656,7 +1654,8 @@ set_interface_done:
                 break;
 
         default:
-                printk(KERN_ERR "gs_setup: unknown standard request, type=%02x, request=%02x, value=%04x, index=%04x, length=%d\n",
+                pr_err("gs_setup: unknown standard request, type=%02x, "
+                        "request=%02x, value=%04x, index=%04x, length=%d\n",
                         ctrl->bRequestType, ctrl->bRequest,
                         wValue, wIndex, wLength);
                 break;
@@ -1682,7 +1681,7 @@ static int gs_setup_class(struct usb_gadget *gadget,
                  * handler copy that data to port->port_line_coding (iff
                  * it's valid) and maybe pass it on.  Until then, fail.
                  */
-                printk(KERN_WARNING "gs_setup: set_line_coding "
+                pr_warning("gs_setup: set_line_coding "
                                 "unuspported\n");
                 break;
 
@@ -1702,12 +1701,12 @@ static int gs_setup_class(struct usb_gadget *gadget,
                  * handler use that to set the state (iff it's valid) and
                  * maybe pass it on.  Until then, fail.
                  */
-                printk(KERN_WARNING "gs_setup: set_control_line_state "
+                pr_warning("gs_setup: set_control_line_state "
                                 "unuspported\n");
                 break;
 
         default:
-                printk(KERN_ERR "gs_setup: unknown class request, "
+                pr_err("gs_setup: unknown class request, "
                                 "type=%02x, request=%02x, value=%04x, "
                                 "index=%04x, length=%d\n",
                         ctrl->bRequestType, ctrl->bRequest,
@@ -1724,7 +1723,8 @@ static int gs_setup_class(struct usb_gadget *gadget,
 static void gs_setup_complete(struct usb_ep *ep, struct usb_request *req)
 {
         if (req->status || req->actual != req->length) {
-                printk(KERN_ERR "gs_setup_complete: status error, status=%d, actual=%d, length=%d\n",
+                pr_err("gs_setup_complete: status error, status=%d, "
+                        "actual=%d, length=%d\n",
                         req->status, req->actual, req->length);
         }
 }
@@ -1751,11 +1751,11 @@ static void gs_disconnect(struct usb_gadget *gadget)
 
         /* re-allocate ports for the next connection */
         if (gs_alloc_ports(dev, GFP_ATOMIC) != 0)
-                printk(KERN_ERR "gs_disconnect: cannot re-allocate ports\n");
+                pr_err("gs_disconnect: cannot re-allocate ports\n");
 
         spin_unlock_irqrestore(&dev->dev_lock, flags);
 
-        printk(KERN_INFO "gs_disconnect: %s disconnected\n", GS_LONG_NAME);
+        pr_info("gs_disconnect: %s disconnected\n", GS_LONG_NAME);
 }
 
 /*
@@ -1778,7 +1778,7 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
         struct gs_req_entry *req_entry;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_set_config: NULL device pointer\n");
+                pr_err("gs_set_config: NULL device pointer\n");
                 return 0;
         }
 
@@ -1823,7 +1823,8 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
                                 dev->dev_notify_ep = ep;
                                 dev->dev_notify_ep_desc = ep_desc;
                         } else {
-                                printk(KERN_ERR "gs_set_config: cannot enable notify endpoint %s, ret=%d\n",
+                                pr_err("gs_set_config: cannot enable NOTIFY "
+                                        "endpoint %s, ret=%d\n",
                                         ep->name, ret);
                                 goto exit_reset_config;
                         }
@@ -1839,7 +1840,8 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
                                 dev->dev_in_ep = ep;
                                 dev->dev_in_ep_desc = ep_desc;
                         } else {
-                                printk(KERN_ERR "gs_set_config: cannot enable in endpoint %s, ret=%d\n",
+                                pr_err("gs_set_config: cannot enable IN "
+                                        "endpoint %s, ret=%d\n",
                                         ep->name, ret);
                                 goto exit_reset_config;
                         }
@@ -1855,7 +1857,8 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
                                 dev->dev_out_ep = ep;
                                 dev->dev_out_ep_desc = ep_desc;
                         } else {
-                                printk(KERN_ERR "gs_set_config: cannot enable out endpoint %s, ret=%d\n",
+                                pr_err("gs_set_config: cannot enable OUT "
+                                        "endpoint %s, ret=%d\n",
                                         ep->name, ret);
                                 goto exit_reset_config;
                         }
@@ -1865,7 +1868,7 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
 
         if (dev->dev_in_ep == NULL || dev->dev_out_ep == NULL
         || (config != GS_BULK_CONFIG_ID && dev->dev_notify_ep == NULL)) {
-                printk(KERN_ERR "gs_set_config: cannot find endpoints\n");
+                pr_err("gs_set_config: cannot find endpoints\n");
                 ret = -ENODEV;
                 goto exit_reset_config;
         }
@@ -1876,11 +1879,12 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
                 if ((req=gs_alloc_req(ep, ep->maxpacket, GFP_ATOMIC))) {
                         req->complete = gs_read_complete;
                         if ((ret=usb_ep_queue(ep, req, GFP_ATOMIC))) {
-                                printk(KERN_ERR "gs_set_config: cannot queue read request, ret=%d\n",
-                                        ret);
+                                pr_err("gs_set_config: cannot queue read "
+                                        "request, ret=%d\n", ret);
                         }
                 } else {
-                        printk(KERN_ERR "gs_set_config: cannot allocate read requests\n");
+                        pr_err("gs_set_config: cannot allocate "
+                                        "read requests\n");
                         ret = -ENOMEM;
                         goto exit_reset_config;
                 }
@@ -1893,13 +1897,14 @@ static int gs_set_config(struct gs_dev *dev, unsigned config)
                         req_entry->re_req->complete = gs_write_complete;
                         list_add(&req_entry->re_entry, &dev->dev_req_list);
                 } else {
-                        printk(KERN_ERR "gs_set_config: cannot allocate write requests\n");
+                        pr_err("gs_set_config: cannot allocate "
+                                        "write requests\n");
                         ret = -ENOMEM;
                         goto exit_reset_config;
                 }
         }
 
-        printk(KERN_INFO "gs_set_config: %s configured, %s speed %s config\n",
+        pr_info("gs_set_config: %s configured, %s speed %s config\n",
                 GS_LONG_NAME,
                 gadget->speed == USB_SPEED_HIGH ? "high" : "full",
                 config == GS_BULK_CONFIG_ID ? "BULK" : "CDC-ACM");
@@ -1926,7 +1931,7 @@ static void gs_reset_config(struct gs_dev *dev)
         struct gs_req_entry *req_entry;
 
         if (dev == NULL) {
-                printk(KERN_ERR "gs_reset_config: NULL device pointer\n");
+                pr_err("gs_reset_config: NULL device pointer\n");
                 return;
         }
 
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index fcde5d9c87df..d3d4f4048e6c 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -1115,7 +1115,7 @@ zero_bind (struct usb_gadget *gadget)
         ep = usb_ep_autoconfig (gadget, &fs_source_desc);
         if (!ep) {
 autoconf_fail:
-                printk (KERN_ERR "%s: can't autoconfigure on %s\n",
+                pr_err("%s: can't autoconfigure on %s\n",
                         shortname, gadget->name);
                 return -ENODEV;
         }
@@ -1139,7 +1139,7 @@ autoconf_fail:
                  * things like configuration and altsetting numbering
                  * can need hardware-specific attention though.
                  */
-                printk (KERN_WARNING "%s: controller '%s' not recognized\n",
+                pr_warning("%s: controller '%s' not recognized\n",
                         shortname, gadget->name);
                 device_desc.bcdDevice = __constant_cpu_to_le16 (0x9999);
         }