Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  V4L/DVB: uvc: Fix multiple symbols definitions with UVC gadget and host drivers
  V4L/DVB: v4l: mem2mem_testdev: fix g_fmt NULL pointer dereference
  V4L/DVB: uvcvideo: Power line frequency control doesn't support GET_MIN/MAX/RES
  V4L/DVB: ivtv: Add delay to ensure the decoder always restarts with a blank screen
  V4L/DVB: Documentation: Add the Philips FQ1236 MK5 to video4linux/CARDLIST.tuner
  V4L/DVB: tveeprom: Add an entry for tuner code 168: a TCL M30WTP-4N-E tuner
  V4L/DVB: tuner: Add a definition for the Philips FQ1236 MK5 NTSC tuner
  V4L/DVB: OMAP_VOUT: fix: Module params were not working through bootargs
  V4L/DVB: OMAP_VOUT: fix: Replaced dma-sg with dma-contig
  V4L/DVB: OMAP_VOUT:Build FIX: Rebased against latest DSS2 changes

16 files changed, 167 insertions, 163 deletions

diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index 8abbcc5..8cf2ab6 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -524,6 +524,7 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
 		buffer[3] = 0x39;
 		break;
 	case TUNER_PHILIPS_FQ1216LME_MK3:
+	case TUNER_PHILIPS_FQ1236_MK5:
 		tuner_err("This tuner doesn't have FM\n");
 		/* Set the low band for sanity, since it covers 88-108 MHz */
 		buffer[3] = 0x01;
diff --git a/drivers/media/common/tuners/tuner-types.c b/drivers/media/common/tuners/tuner-types.c
index d9aaaca..58a513b 100644
--- a/drivers/media/common/tuners/tuner-types.c
+++ b/drivers/media/common/tuners/tuner-types.c
@@ -1353,6 +1353,17 @@ static struct tuner_params tuner_sony_btf_pxn01z_params[] = {
 	},
 };
 
+/* ------------ TUNER_PHILIPS_FQ1236_MK5 - Philips NTSC ------------ */
+
+static struct tuner_params tuner_philips_fq1236_mk5_params[] = {
+	{
+		.type   = TUNER_PARAM_TYPE_NTSC,
+		.ranges = tuner_fm1236_mk3_ntsc_ranges,
+		.count  = ARRAY_SIZE(tuner_fm1236_mk3_ntsc_ranges),
+		.has_tda9887 = 1, /* TDA9885, no FM radio */
+	},
+};
+
 /* --------------------------------------------------------------------- */
 
 struct tunertype tuners[] = {
@@ -1826,6 +1837,11 @@ struct tunertype tuners[] = {
 		.params = tuner_sony_btf_pxn01z_params,
 		.count  = ARRAY_SIZE(tuner_sony_btf_pxn01z_params),
 	},
+	[TUNER_PHILIPS_FQ1236_MK5] = { /* NTSC, TDA9885, no FM radio */
+		.name   = "Philips FQ1236 MK5",
+		.params = tuner_philips_fq1236_mk5_params,
+		.count  = ARRAY_SIZE(tuner_philips_fq1236_mk5_params),
+	},
 };
 EXPORT_SYMBOL(tuners);
 
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 9ecacab..a937e2f 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -912,6 +912,9 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
 	clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
 	ivtv_flush_queues(s);
 
+	/* decoder needs time to settle */
+	ivtv_msleep_timeout(40, 0);
+
 	/* decrement decoding */
 	atomic_dec(&itv->decoding);
 
diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 554eaf1..10ddecc 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -988,6 +988,9 @@ static int m2mtest_probe(struct platform_device *pdev)
 		goto err_m2m;
 	}
 
+	q_data[V4L2_M2M_SRC].fmt = &formats[0];
+	q_data[V4L2_M2M_DST].fmt = &formats[0];
+
 	return 0;
 
 err_m2m:
diff --git a/drivers/media/video/omap/Kconfig b/drivers/media/video/omap/Kconfig
index 97c53949..e63233fd 100644
--- a/drivers/media/video/omap/Kconfig
+++ b/drivers/media/video/omap/Kconfig
@@ -1,8 +1,8 @@
 config VIDEO_OMAP2_VOUT
 	tristate "OMAP2/OMAP3 V4L2-Display driver"
-	depends on ARCH_OMAP24XX || ARCH_OMAP34XX
+	depends on ARCH_OMAP2 || ARCH_OMAP3
 	select VIDEOBUF_GEN
-	select VIDEOBUF_DMA_SG
+	select VIDEOBUF_DMA_CONTIG
 	select OMAP2_DSS
 	select OMAP2_VRAM
 	select OMAP2_VRFB
diff --git a/drivers/media/video/omap/Makefile b/drivers/media/video/omap/Makefile
index b8bab00..b2878807 100644
--- a/drivers/media/video/omap/Makefile
+++ b/drivers/media/video/omap/Makefile
@@ -3,5 +3,5 @@
 #
 
 # OMAP2/3 Display driver
-omap-vout-mod-objs := omap_vout.o omap_voutlib.o
-obj-$(CONFIG_VIDEO_OMAP2_VOUT) += omap-vout-mod.o
+omap-vout-y := omap_vout.o omap_voutlib.o
+obj-$(CONFIG_VIDEO_OMAP2_VOUT) += omap-vout.o
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index e7db0554..929073e 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -38,8 +38,9 @@
 #include <linux/dma-mapping.h>
 #include <linux/irq.h>
 #include <linux/videodev2.h>
+#include <linux/slab.h>
 
-#include <media/videobuf-dma-sg.h>
+#include <media/videobuf-dma-contig.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 
@@ -1053,9 +1054,9 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
 			    struct videobuf_buffer *vb,
 			    enum v4l2_field field)
 {
+	dma_addr_t dmabuf;
 	struct vid_vrfb_dma *tx;
 	enum dss_rotation rotation;
-	struct videobuf_dmabuf *dmabuf = NULL;
 	struct omap_vout_device *vout = q->priv_data;
 	u32 dest_frame_index = 0, src_element_index = 0;
 	u32 dest_element_index = 0, src_frame_index = 0;
@@ -1074,24 +1075,17 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
 	if (V4L2_MEMORY_USERPTR == vb->memory) {
 		if (0 == vb->baddr)
 			return -EINVAL;
-		/* Virtual address */
-		/* priv points to struct videobuf_pci_sg_memory. But we went
-		 * pointer to videobuf_dmabuf, which is member of
-		 * videobuf_pci_sg_memory */
-		dmabuf = videobuf_to_dma(q->bufs[vb->i]);
-		dmabuf->vmalloc = (void *) vb->baddr;
-
 		/* Physical address */
-		dmabuf->bus_addr =
-			(dma_addr_t) omap_vout_uservirt_to_phys(vb->baddr);
+		vout->queued_buf_addr[vb->i] = (u8 *)
+			omap_vout_uservirt_to_phys(vb->baddr);
+	} else {
+		vout->queued_buf_addr[vb->i] = (u8 *)vout->buf_phy_addr[vb->i];
 	}
 
-	if (!rotation_enabled(vout)) {
-		dmabuf = videobuf_to_dma(q->bufs[vb->i]);
-		vout->queued_buf_addr[vb->i] = (u8 *) dmabuf->bus_addr;
+	if (!rotation_enabled(vout))
 		return 0;
-	}
-	dmabuf = videobuf_to_dma(q->bufs[vb->i]);
+
+	dmabuf = vout->buf_phy_addr[vb->i];
 	/* If rotation is enabled, copy input buffer into VRFB
 	 * memory space using DMA. We are copying input buffer
 	 * into VRFB memory space of desired angle and DSS will
@@ -1120,7 +1114,7 @@ static int omap_vout_buffer_prepare(struct videobuf_queue *q,
 			tx->dev_id, 0x0);
 	/* src_port required only for OMAP1 */
 	omap_set_dma_src_params(tx->dma_ch, 0, OMAP_DMA_AMODE_POST_INC,
-			dmabuf->bus_addr, src_element_index, src_frame_index);
+			dmabuf, src_element_index, src_frame_index);
 	/*set dma source burst mode for VRFB */
 	omap_set_dma_src_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16);
 	rotation = calc_rotation(vout);
@@ -1211,7 +1205,6 @@ static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
 	void *pos;
 	unsigned long start = vma->vm_start;
 	unsigned long size = (vma->vm_end - vma->vm_start);
-	struct videobuf_dmabuf *dmabuf = NULL;
 	struct omap_vout_device *vout = file->private_data;
 	struct videobuf_queue *q = &vout->vbq;
 
@@ -1241,8 +1234,7 @@ static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
 	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 	vma->vm_ops = &omap_vout_vm_ops;
 	vma->vm_private_data = (void *) vout;
-	dmabuf = videobuf_to_dma(q->bufs[i]);
-	pos = dmabuf->vmalloc;
+	pos = (void *)vout->buf_virt_addr[i];
 	vma->vm_pgoff = virt_to_phys((void *)pos) >> PAGE_SHIFT;
 	while (size > 0) {
 		unsigned long pfn;
@@ -1347,8 +1339,8 @@ static int omap_vout_open(struct file *file)
 	video_vbq_ops.buf_queue = omap_vout_buffer_queue;
 	spin_lock_init(&vout->vbq_lock);
 
-	videobuf_queue_sg_init(q, &video_vbq_ops, NULL, &vout->vbq_lock,
-			vout->type, V4L2_FIELD_NONE,
+	videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
+			&vout->vbq_lock, vout->type, V4L2_FIELD_NONE,
 			sizeof(struct videobuf_buffer), vout);
 
 	v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Exiting %s\n", __func__);
@@ -1799,7 +1791,6 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 	unsigned int i, num_buffers = 0;
 	struct omap_vout_device *vout = fh;
 	struct videobuf_queue *q = &vout->vbq;
-	struct videobuf_dmabuf *dmabuf = NULL;
 
 	if ((req->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) || (req->count < 0))
 		return -EINVAL;
@@ -1825,8 +1816,7 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 		num_buffers = (vout->vid == OMAP_VIDEO1) ?
 			video1_numbuffers : video2_numbuffers;
 		for (i = num_buffers; i < vout->buffer_allocated; i++) {
-			dmabuf = videobuf_to_dma(q->bufs[i]);
-			omap_vout_free_buffer((u32)dmabuf->vmalloc,
+			omap_vout_free_buffer(vout->buf_virt_addr[i],
 					vout->buffer_size);
 			vout->buf_virt_addr[i] = 0;
 			vout->buf_phy_addr[i] = 0;
@@ -1855,12 +1845,7 @@ static int vidioc_reqbufs(struct file *file, void *fh,
 		goto reqbuf_err;
 
 	vout->buffer_allocated = req->count;
-	for (i = 0; i < req->count; i++) {
-		dmabuf = videobuf_to_dma(q->bufs[i]);
-		dmabuf->vmalloc = (void *) vout->buf_virt_addr[i];
-		dmabuf->bus_addr = (dma_addr_t) vout->buf_phy_addr[i];
-		dmabuf->sglen = 1;
-	}
+
 reqbuf_err:
 	mutex_unlock(&vout->lock);
 	return ret;
@@ -2488,7 +2473,7 @@ static int omap_vout_remove(struct platform_device *pdev)
 
 	for (k = 0; k < vid_dev->num_displays; k++) {
 		if (vid_dev->displays[k]->state != OMAP_DSS_DISPLAY_DISABLED)
-			vid_dev->displays[k]->disable(vid_dev->displays[k]);
+			vid_dev->displays[k]->driver->disable(vid_dev->displays[k]);
 
 		omap_dss_put_device(vid_dev->displays[k]);
 	}
@@ -2545,7 +2530,9 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 			def_display = NULL;
 		}
 		if (def_display) {
-			ret = def_display->enable(def_display);
+			struct omap_dss_driver *dssdrv = def_display->driver;
+
+			ret = dssdrv->enable(def_display);
 			if (ret) {
 				/* Here we are not considering a error
 				 *  as display may be enabled by frame
@@ -2559,21 +2546,21 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 			if (def_display->caps &
 					OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
 #ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
-				if (def_display->enable_te)
-					def_display->enable_te(def_display, 1);
-				if (def_display->set_update_mode)
-					def_display->set_update_mode(def_display,
+				if (dssdrv->enable_te)
+					dssdrv->enable_te(def_display, 1);
+				if (dssdrv->set_update_mode)
+					dssdrv->set_update_mode(def_display,
 							OMAP_DSS_UPDATE_AUTO);
 #else	/* MANUAL_UPDATE */
-				if (def_display->enable_te)
-					def_display->enable_te(def_display, 0);
-				if (def_display->set_update_mode)
-					def_display->set_update_mode(def_display,
+				if (dssdrv->enable_te)
+					dssdrv->enable_te(def_display, 0);
+				if (dssdrv->set_update_mode)
+					dssdrv->set_update_mode(def_display,
 							OMAP_DSS_UPDATE_MANUAL);
 #endif
 			} else {
-				if (def_display->set_update_mode)
-					def_display->set_update_mode(def_display,
+				if (dssdrv->set_update_mode)
+					dssdrv->set_update_mode(def_display,
 							OMAP_DSS_UPDATE_AUTO);
 			}
 		}
@@ -2592,8 +2579,8 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 	for (i = 0; i < vid_dev->num_displays; i++) {
 		struct omap_dss_device *display = vid_dev->displays[i];
 
-		if (display->update)
-			display->update(display, 0, 0,
+		if (display->driver->update)
+			display->driver->update(display, 0, 0,
 					display->panel.timings.x_res,
 					display->panel.timings.y_res);
 	}
@@ -2608,8 +2595,8 @@ probe_err1:
 		if (ovl->manager && ovl->manager->device)
 			def_display = ovl->manager->device;
 
-		if (def_display)
-			def_display->disable(def_display);
+		if (def_display && def_display->driver)
+			def_display->driver->disable(def_display);
 	}
 probe_err0:
 	kfree(vid_dev);
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index 0a87749..07fabdd 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -267,6 +267,21 @@ hauppauge_tuner[] =
 	{ TUNER_ABSENT,                 "Xceive XC4000"},
 	{ TUNER_ABSENT,                 "Dibcom 7070"},
 	{ TUNER_PHILIPS_TDA8290,        "NXP 18271C2"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	/* 160-169 */
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_ABSENT,			"unknown"},
+	{ TUNER_PHILIPS_FQ1236_MK5,	"TCL M30WTP-4N-E"},
+	{ TUNER_ABSENT,			"unknown"},
 };
 
 /* Use V4L2_IDENT_AMBIGUOUS for those audio 'chips' that are
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index aa0720a..27a79f0 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -122,8 +122,8 @@ static struct uvc_control_info uvc_ctrls[] = {
 		.selector	= UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
 		.index		= 10,
 		.size		= 1,
-		.flags		= UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE
-				| UVC_CONTROL_RESTORE,
+		.flags		= UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR
+				| UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE,
 	},
 	{
 		.entity		= UVC_GUID_UVC_PROCESSING,
diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index fc2611f..dbe6db0 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -28,7 +28,7 @@
 
 #include "uvc.h"
 
-unsigned int uvc_trace_param;
+unsigned int uvc_gadget_trace_param;
 
 /* --------------------------------------------------------------------------
  * Function descriptors
@@ -656,6 +656,6 @@ error:
 	return ret;
 }
 
-module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR);
+module_param_named(trace, uvc_gadget_trace_param, uint, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(trace, "Trace level bitmask");
 
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index 0a705e6..e92454c 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -107,11 +107,11 @@ struct uvc_streaming_control {
 #define UVC_WARN_MINMAX				0
 #define UVC_WARN_PROBE_DEF			1
 
-extern unsigned int uvc_trace_param;
+extern unsigned int uvc_gadget_trace_param;
 
 #define uvc_trace(flag, msg...) \
 	do { \
-		if (uvc_trace_param & flag) \
+		if (uvc_gadget_trace_param & flag) \
 			printk(KERN_DEBUG "uvcvideo: " msg); \
 	} while (0)
 
@@ -220,16 +220,10 @@ struct uvc_file_handle
 #define to_uvc_file_handle(handle) \
 	container_of(handle, struct uvc_file_handle, vfh)
 
-extern struct v4l2_file_operations uvc_v4l2_fops;
-
 /* ------------------------------------------------------------------------
  * Functions
  */
 
-extern int uvc_video_enable(struct uvc_video *video, int enable);
-extern int uvc_video_init(struct uvc_video *video);
-extern int uvc_video_pump(struct uvc_video *video);
-
 extern void uvc_endpoint_stream(struct uvc_device *dev);
 
 extern void uvc_function_connect(struct uvc_device *uvc);
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
index 4389199..f7395ac 100644
--- a/drivers/usb/gadget/uvc_queue.c
+++ b/drivers/usb/gadget/uvc_queue.c
@@ -78,7 +78,8 @@
  *
  */
 
-void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
+static void
+uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
 {
 	mutex_init(&queue->mutex);
 	spin_lock_init(&queue->irqlock);
@@ -88,6 +89,28 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
 }
 
 /*
+ * Free the video buffers.
+ *
+ * This function must be called with the queue lock held.
+ */
+static int uvc_free_buffers(struct uvc_video_queue *queue)
+{
+	unsigned int i;
+
+	for (i = 0; i < queue->count; ++i) {
+		if (queue->buffer[i].vma_use_count != 0)
+			return -EBUSY;
+	}
+
+	if (queue->count) {
+		vfree(queue->mem);
+		queue->count = 0;
+	}
+
+	return 0;
+}
+
+/*
  * Allocate the video buffers.
  *
  * Pages are reserved to make sure they will not be swapped, as they will be
@@ -95,8 +118,9 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)
  *
  * Buffers will be individually mapped, so they must all be page aligned.
  */
-int uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers,
-		unsigned int buflength)
+static int
+uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers,
+		  unsigned int buflength)
 {
 	unsigned int bufsize = PAGE_ALIGN(buflength);
 	unsigned int i;
@@ -150,28 +174,6 @@ done:
 	return ret;
 }
 
-/*
- * Free the video buffers.
- *
- * This function must be called with the queue lock held.
- */
-int uvc_free_buffers(struct uvc_video_queue *queue)
-{
-	unsigned int i;
-
-	for (i = 0; i < queue->count; ++i) {
-		if (queue->buffer[i].vma_use_count != 0)
-			return -EBUSY;
-	}
-
-	if (queue->count) {
-		vfree(queue->mem);
-		queue->count = 0;
-	}
-
-	return 0;
-}
-
 static void __uvc_query_buffer(struct uvc_buffer *buf,
 		struct v4l2_buffer *v4l2_buf)
 {
@@ -195,8 +197,8 @@ static void __uvc_query_buffer(struct uvc_buffer *buf,
 	}
 }
 
-int uvc_query_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf)
+static int
+uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf)
 {
 	int ret = 0;
 
@@ -217,8 +219,8 @@ done:
  * Queue a video buffer. Attempting to queue a buffer that has already been
  * queued will return -EINVAL.
  */
-int uvc_queue_buffer(struct uvc_video_queue *queue,
-	struct v4l2_buffer *v4l2_buf)
+static int
+uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf)
 {
 	struct uvc_buffer *buf;
 	unsigned long flags;
@@ -298,8 +300,9 @@ static int uvc_queue_waiton(struct uvc_buffer *buf, int nonblocking)
  * Dequeue a video buffer. If nonblocking is false, block until a buffer is
  * available.
  */
-int uvc_dequeue_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf, int nonblocking)
+static int
+uvc_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf,
+		   int nonblocking)
 {
 	struct uvc_buffer *buf;
 	int ret = 0;
@@ -359,8 +362,9 @@ done:
  * This function implements video queue polling and is intended to be used by
  * the device poll handler.
  */
-unsigned int uvc_queue_poll(struct uvc_video_queue *queue, struct file *file,
-		poll_table *wait)
+static unsigned int
+uvc_queue_poll(struct uvc_video_queue *queue, struct file *file,
+	       poll_table *wait)
 {
 	struct uvc_buffer *buf;
 	unsigned int mask = 0;
@@ -407,7 +411,8 @@ static struct vm_operations_struct uvc_vm_ops = {
  * This function implements video buffer memory mapping and is intended to be
  * used by the device mmap handler.
  */
-int uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
+static int
+uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)
 {
 	struct uvc_buffer *uninitialized_var(buffer);
 	struct page *page;
@@ -458,6 +463,42 @@ done:
 }
 
 /*
+ * Cancel the video buffers queue.
+ *
+ * Cancelling the queue marks all buffers on the irq queue as erroneous,
+ * wakes them up and removes them from the queue.
+ *
+ * If the disconnect parameter is set, further calls to uvc_queue_buffer will
+ * fail with -ENODEV.
+ *
+ * This function acquires the irq spinlock and can be called from interrupt
+ * context.
+ */
+static void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect)
+{
+	struct uvc_buffer *buf;
+	unsigned long flags;
+
+	spin_lock_irqsave(&queue->irqlock, flags);
+	while (!list_empty(&queue->irqqueue)) {
+		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
+				       queue);
+		list_del(&buf->queue);
+		buf->state = UVC_BUF_STATE_ERROR;
+		wake_up(&buf->wait);
+	}
+	/* This must be protected by the irqlock spinlock to avoid race
+	 * conditions between uvc_queue_buffer and the disconnection event that
+	 * could result in an interruptible wait in uvc_dequeue_buffer. Do not
+	 * blindly replace this logic by checking for the UVC_DEV_DISCONNECTED
+	 * state outside the queue code.
+	 */
+	if (disconnect)
+		queue->flags |= UVC_QUEUE_DISCONNECTED;
+	spin_unlock_irqrestore(&queue->irqlock, flags);
+}
+
+/*
  * Enable or disable the video buffers queue.
  *
  * The queue must be enabled before starting video acquisition and must be
@@ -474,7 +515,7 @@ done:
  * This function can't be called from interrupt context. Use
  * uvc_queue_cancel() instead.
  */
-int uvc_queue_enable(struct uvc_video_queue *queue, int enable)
+static int uvc_queue_enable(struct uvc_video_queue *queue, int enable)
 {
 	unsigned int i;
 	int ret = 0;
@@ -503,44 +544,8 @@ done:
 	return ret;
 }
 
-/*
- * Cancel the video buffers queue.
- *
- * Cancelling the queue marks all buffers on the irq queue as erroneous,
- * wakes them up and removes them from the queue.
- *
- * If the disconnect parameter is set, further calls to uvc_queue_buffer will
- * fail with -ENODEV.
- *
- * This function acquires the irq spinlock and can be called from interrupt
- * context.
- */
-void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect)
-{
-	struct uvc_buffer *buf;
-	unsigned long flags;
-
-	spin_lock_irqsave(&queue->irqlock, flags);
-	while (!list_empty(&queue->irqqueue)) {
-		buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
-				       queue);
-		list_del(&buf->queue);
-		buf->state = UVC_BUF_STATE_ERROR;
-		wake_up(&buf->wait);
-	}
-	/* This must be protected by the irqlock spinlock to avoid race
-	 * conditions between uvc_queue_buffer and the disconnection event that
-	 * could result in an interruptible wait in uvc_dequeue_buffer. Do not
-	 * blindly replace this logic by checking for the UVC_DEV_DISCONNECTED
-	 * state outside the queue code.
-	 */
-	if (disconnect)
-		queue->flags |= UVC_QUEUE_DISCONNECTED;
-	spin_unlock_irqrestore(&queue->irqlock, flags);
-}
-
-struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
-		struct uvc_buffer *buf)
+static struct uvc_buffer *
+uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf)
 {
 	struct uvc_buffer *nextbuf;
 	unsigned long flags;
@@ -568,7 +573,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
 	return nextbuf;
 }
 
-struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue)
+static struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue)
 {
 	struct uvc_buffer *buf = NULL;
 
diff --git a/drivers/usb/gadget/uvc_queue.h b/drivers/usb/gadget/uvc_queue.h
index 7f5a33f..1812a8e 100644
--- a/drivers/usb/gadget/uvc_queue.h
+++ b/drivers/usb/gadget/uvc_queue.h
@@ -58,30 +58,10 @@ struct uvc_video_queue {
 	struct list_head irqqueue;
 };
 
-extern void uvc_queue_init(struct uvc_video_queue *queue,
-		enum v4l2_buf_type type);
-extern int uvc_alloc_buffers(struct uvc_video_queue *queue,
-		unsigned int nbuffers, unsigned int buflength);
-extern int uvc_free_buffers(struct uvc_video_queue *queue);
-extern int uvc_query_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf);
-extern int uvc_queue_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf);
-extern int uvc_dequeue_buffer(struct uvc_video_queue *queue,
-		struct v4l2_buffer *v4l2_buf, int nonblocking);
-extern int uvc_queue_enable(struct uvc_video_queue *queue, int enable);
-extern void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect);
-extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
-		struct uvc_buffer *buf);
-extern unsigned int uvc_queue_poll(struct uvc_video_queue *queue,
-		struct file *file, poll_table *wait);
-extern int uvc_queue_mmap(struct uvc_video_queue *queue,
-		struct vm_area_struct *vma);
 static inline int uvc_queue_streaming(struct uvc_video_queue *queue)
 {
 	return queue->flags & UVC_QUEUE_STREAMING;
 }
-extern struct uvc_buffer *uvc_queue_head(struct uvc_video_queue *queue);
 
 #endif /* __KERNEL__ */
 
diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index a7989f2..2dcffda 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -363,7 +363,7 @@ uvc_v4l2_poll(struct file *file, poll_table *wait)
 	return mask;
 }
 
-struct v4l2_file_operations uvc_v4l2_fops = {
+static struct v4l2_file_operations uvc_v4l2_fops = {
 	.owner		= THIS_MODULE,
 	.open		= uvc_v4l2_open,
 	.release	= uvc_v4l2_release,
diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
index de8cbc4..b08f354 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -271,7 +271,7 @@ error:
  * This function fills the available USB requests (listed in req_free) with
  * video data from the queued buffers.
  */
-int
+static int
 uvc_video_pump(struct uvc_video *video)
 {
 	struct usb_request *req;
@@ -328,7 +328,7 @@ uvc_video_pump(struct uvc_video *video)
 /*
  * Enable or disable the video stream.
  */
-int
+static int
 uvc_video_enable(struct uvc_video *video, int enable)
 {
 	unsigned int i;
@@ -367,7 +367,7 @@ uvc_video_enable(struct uvc_video *video, int enable)
 /*
  * Initialize the UVC video stream.
  */
-int
+static int
 uvc_video_init(struct uvc_video *video)
 {
 	INIT_LIST_HEAD(&video->req_free);
diff --git a/drivers/usb/gadget/webcam.c b/drivers/usb/gadget/webcam.c
index 417fd68..f5f3030 100644
--- a/drivers/usb/gadget/webcam.c
+++ b/drivers/usb/gadget/webcam.c
@@ -28,10 +28,10 @@
 #include "config.c"
 #include "epautoconf.c"
 
-#include "f_uvc.c"
 #include "uvc_queue.c"
-#include "uvc_v4l2.c"
 #include "uvc_video.c"
+#include "uvc_v4l2.c"
+#include "f_uvc.c"
 
 /* --------------------------------------------------------------------------
  * Device descriptor