V4L/DVB (3568g): sem2mutex: zoran

Semaphore to mutexes conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/zoran.h

@@ -395,7 +395,7 @@ struct zoran {
 	struct videocodec *codec;	/* video codec */
 	struct videocodec *vfe;	/* video front end */
 
-	struct semaphore resource_lock;	/* prevent evil stuff */
+	struct mutex resource_lock;	/* prevent evil stuff */
 
 	u8 initialized;		/* flag if zoran has been correctly initalized */
 	int user;		/* number of current users */

drivers/media/video/zoran_card.c

@@ -47,6 +47,7 @@
 #include <linux/interrupt.h>
 #include <linux/video_decoder.h>
 #include <linux/video_encoder.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 
@@ -673,7 +674,7 @@ zoran_i2c_client_register (struct i2c_client *client)
 		KERN_DEBUG "%s: i2c_client_register() - driver id = %d\n",
 		ZR_DEVNAME(zr), client->driver->id);
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	if (zr->user > 0) {
 		/* we're already busy, so we keep a reference to
@@ -694,7 +695,7 @@ zoran_i2c_client_register (struct i2c_client *client)
 	}
 
 clientreg_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 
 	return res;
 }
@@ -707,7 +708,7 @@ zoran_i2c_client_unregister (struct i2c_client *client)
 
 	dprintk(2, KERN_DEBUG "%s: i2c_client_unregister()\n", ZR_DEVNAME(zr));
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	if (zr->user > 0) {
 		res = -EBUSY;
@@ -722,7 +723,7 @@ zoran_i2c_client_unregister (struct i2c_client *client)
 		snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%d]", zr->id);
 	}
 clientunreg_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 	return res;
 }
 
@@ -1202,7 +1203,7 @@ find_zr36057 (void)
 		zr->id = zoran_num;
 		snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
 		spin_lock_init(&zr->spinlock);
-		init_MUTEX(&zr->resource_lock);
+		mutex_init(&zr->resource_lock);
 		if (pci_enable_device(dev))
 			continue;
 		zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0);

drivers/media/video/zoran_driver.c

@@ -81,6 +81,7 @@
 
 #include <linux/video_decoder.h>
 #include <linux/video_encoder.h>
+#include <linux/mutex.h>
 #include "zoran.h"
 #include "zoran_device.h"
 #include "zoran_card.h"
@@ -1292,7 +1293,7 @@ zoran_open (struct inode *inode,
 
 	/* see fs/device.c - the kernel already locks during open(),
 	 * so locking ourselves only causes deadlocks */
-	/*down(&zr->resource_lock);*/
+	/*mutex_lock(&zr->resource_lock);*/
 
 	if (!zr->decoder) {
 		dprintk(1,
@@ -1371,7 +1372,7 @@ zoran_open (struct inode *inode,
 	if (zr->user++ == 0)
 		first_open = 1;
 
-	/*up(&zr->resource_lock);*/
+	/*mutex_unlock(&zr->resource_lock);*/
 
 	/* default setup - TODO: look at flags */
 	if (first_open) {	/* First device open */
@@ -1401,7 +1402,7 @@ zoran_open (struct inode *inode,
 
 	/* if there's no device found, we didn't obtain the lock either */
 	if (zr) {
-		/*up(&zr->resource_lock);*/
+		/*mutex_unlock(&zr->resource_lock);*/
 	}
 
 	return res;
@@ -1419,7 +1420,7 @@ zoran_close (struct inode *inode,
 
 	/* kernel locks (fs/device.c), so don't do that ourselves
 	 * (prevents deadlocks) */
-	/*down(&zr->resource_lock);*/
+	/*mutex_lock(&zr->resource_lock);*/
 
 	zoran_close_end_session(file);
 
@@ -1466,7 +1467,7 @@ zoran_close (struct inode *inode,
 	}
 	module_put(THIS_MODULE);
 
-	/*up(&zr->resource_lock);*/
+	/*mutex_unlock(&zr->resource_lock);*/
 
 	dprintk(4, KERN_INFO "%s: zoran_close() done\n", ZR_DEVNAME(zr));
 
@@ -2027,14 +2028,14 @@ zoran_do_ioctl (struct inode *inode,
 	 * but moving the free code outside the munmap() handler fixes
 	 * all this... If someone knows why, please explain me (Ronald)
 	 */
-	if (!down_trylock(&zr->resource_lock)) {
+	if (!!mutex_trylock(&zr->resource_lock)) {
 		/* we obtained it! Let's try to free some things */
 		if (fh->jpg_buffers.ready_to_be_freed)
 			jpg_fbuffer_free(file);
 		if (fh->v4l_buffers.ready_to_be_freed)
 			v4l_fbuffer_free(file);
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 	}
 
 	switch (cmd) {
@@ -2051,12 +2052,12 @@ zoran_do_ioctl (struct inode *inode,
 
 		vcap->channels = zr->card.inputs;
 		vcap->audios = 0;
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vcap->maxwidth = BUZ_MAX_WIDTH;
 		vcap->maxheight = BUZ_MAX_HEIGHT;
 		vcap->minwidth = BUZ_MIN_WIDTH;
 		vcap->minheight = BUZ_MIN_HEIGHT;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2084,9 +2085,9 @@ zoran_do_ioctl (struct inode *inode,
 		vchan->tuners = 0;
 		vchan->flags = 0;
 		vchan->type = VIDEO_TYPE_CAMERA;
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vchan->norm = zr->norm;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		vchan->channel = channel;
 
 		return 0;
@@ -2113,7 +2114,7 @@ zoran_do_ioctl (struct inode *inode,
 			"%s: VIDIOCSCHAN - channel=%d, norm=%d\n",
 			ZR_DEVNAME(zr), vchan->channel, vchan->norm);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_input(zr, vchan->channel)))
 			goto schan_unlock_and_return;
 		if ((res = zoran_set_norm(zr, vchan->norm)))
@@ -2122,7 +2123,7 @@ zoran_do_ioctl (struct inode *inode,
 		/* Make sure the changes come into effect */
 		res = wait_grab_pending(zr);
 	schan_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -2134,7 +2135,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGPICT\n", ZR_DEVNAME(zr));
 
 		memset(vpict, 0, sizeof(struct video_picture));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vpict->hue = zr->hue;
 		vpict->brightness = zr->brightness;
 		vpict->contrast = zr->contrast;
@@ -2145,7 +2146,7 @@ zoran_do_ioctl (struct inode *inode,
 		} else {
 			vpict->depth = 0;
 		}
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2180,7 +2181,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		decoder_command(zr, DECODER_SET_PICTURE, vpict);
 
@@ -2191,7 +2192,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		fh->overlay_settings.format = &zoran_formats[i];
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -2204,9 +2205,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCCAPTURE - on=%d\n",
 			ZR_DEVNAME(zr), *on);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = setup_overlay(file, *on);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2219,12 +2220,12 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGWIN\n", ZR_DEVNAME(zr));
 
 		memset(vwin, 0, sizeof(struct video_window));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		vwin->x = fh->overlay_settings.x;
 		vwin->y = fh->overlay_settings.y;
 		vwin->width = fh->overlay_settings.width;
 		vwin->height = fh->overlay_settings.height;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		vwin->clipcount = 0;
 		return 0;
 	}
@@ -2241,12 +2242,12 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), vwin->x, vwin->y, vwin->width,
 			vwin->height, vwin->clipcount);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_window(file, vwin->x, vwin->y, vwin->width,
 				 vwin->height, vwin->clips,
 				 vwin->clipcount, NULL);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2258,9 +2259,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOCGFBUF\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		*vbuf = zr->buffer;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return 0;
 	}
 		break;
@@ -2287,12 +2288,12 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_fbuffer(file, vbuf->base, &zoran_formats[i],
 				  vbuf->width, vbuf->height,
 				  vbuf->bytesperline);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2305,9 +2306,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOCSYNC - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = v4l_sync(file, *frame);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		if (!res)
 			zr->v4l_sync_tail++;
 		return res;
@@ -2325,9 +2326,9 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), vmap->frame, vmap->width, vmap->height,
 			vmap->format);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = v4l_grab(file, vmap);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -2348,7 +2349,7 @@ zoran_do_ioctl (struct inode *inode,
 			    i * fh->v4l_buffers.buffer_size;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -2367,7 +2368,7 @@ zoran_do_ioctl (struct inode *inode,
 		/* The next mmap will map the V4L buffers */
 		fh->map_mode = ZORAN_MAP_MODE_RAW;
 	v4l1reqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2421,7 +2422,7 @@ zoran_do_ioctl (struct inode *inode,
 		bparams->major_version = MAJOR_VERSION;
 		bparams->minor_version = MINOR_VERSION;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		bparams->norm = zr->norm;
 		bparams->input = zr->input;
@@ -2450,7 +2451,7 @@ zoran_do_ioctl (struct inode *inode,
 		bparams->jpeg_markers =
 		    fh->jpg_settings.jpg_comp.jpeg_markers;
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		bparams->VFIFO_FB = 0;
 
@@ -2486,7 +2487,7 @@ zoran_do_ioctl (struct inode *inode,
 		       sizeof(bparams->COM_data));
 		settings.jpg_comp.jpeg_markers = bparams->jpeg_markers;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (zr->codec_mode != BUZ_MODE_IDLE) {
 			dprintk(1,
@@ -2506,7 +2507,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		fh->jpg_settings = settings;
 	sparams_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2538,7 +2539,7 @@ zoran_do_ioctl (struct inode *inode,
 		    breq->size > MAX_KMALLOC_MEM)
 			breq->size = MAX_KMALLOC_MEM;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -2561,7 +2562,7 @@ zoran_do_ioctl (struct inode *inode,
 		 * also be *_PLAY, but it doesn't matter here */
 		fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
 	jpgreqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2574,9 +2575,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_CAPT - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_COMPRESS);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2589,9 +2590,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_QBUF_PLAY - frame=%d\n",
 			ZR_DEVNAME(zr), *frame);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_qbuf(file, *frame, BUZ_MODE_MOTION_DECOMPRESS);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2604,9 +2605,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: BUZIOC_SYNC\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = jpg_sync(file, bsync);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -2630,7 +2631,7 @@ zoran_do_ioctl (struct inode *inode,
 		input = zr->card.input[bstat->input].muxsel;
 		norm = VIDEO_MODE_AUTO;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (zr->codec_mode != BUZ_MODE_IDLE) {
 			dprintk(1,
@@ -2655,7 +2656,7 @@ zoran_do_ioctl (struct inode *inode,
 		decoder_command(zr, DECODER_SET_INPUT, &input);
 		decoder_command(zr, DECODER_SET_NORM, &zr->norm);
 	gstat_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		if (!res) {
 			bstat->signal =
@@ -2763,7 +2764,7 @@ zoran_do_ioctl (struct inode *inode,
 		switch (fmt->type) {
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			fmt->fmt.win.w.left = fh->overlay_settings.x;
 			fmt->fmt.win.w.top = fh->overlay_settings.y;
@@ -2776,14 +2777,14 @@ zoran_do_ioctl (struct inode *inode,
 			else
 				fmt->fmt.win.field = V4L2_FIELD_TOP;
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			break;
 
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT:
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
 			    fh->map_mode == ZORAN_MAP_MODE_RAW) {
@@ -2837,7 +2838,7 @@ zoran_do_ioctl (struct inode *inode,
 				    V4L2_COLORSPACE_SMPTE170M;
 			}
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			break;
 
@@ -2870,7 +2871,7 @@ zoran_do_ioctl (struct inode *inode,
 				fmt->fmt.win.w.height,
 				fmt->fmt.win.clipcount,
 				fmt->fmt.win.bitmap);
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 			res =
 			    setup_window(file, fmt->fmt.win.w.left,
 					 fmt->fmt.win.w.top,
@@ -2880,7 +2881,7 @@ zoran_do_ioctl (struct inode *inode,
 					   fmt->fmt.win.clips,
 					 fmt->fmt.win.clipcount,
 					 fmt->fmt.win.bitmap);
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 			return res;
 			break;
 
@@ -2917,7 +2918,7 @@ zoran_do_ioctl (struct inode *inode,
 			}
 
 			if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				settings = fh->jpg_settings;
 
@@ -2995,7 +2996,7 @@ zoran_do_ioctl (struct inode *inode,
 				    ZORAN_MAP_MODE_JPG_REC :
 				    ZORAN_MAP_MODE_JPG_PLAY;
 			sfmtjpg_unlock_and_return:
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			} else {
 				for (i = 0; i < zoran_num_formats; i++)
 					if (fmt->fmt.pix.pixelformat ==
@@ -3010,7 +3011,7 @@ zoran_do_ioctl (struct inode *inode,
 						(char *) &printformat);
 					return -EINVAL;
 				}
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 				if (fh->jpg_buffers.allocated ||
 				    (fh->v4l_buffers.allocated &&
 				     fh->v4l_buffers.active !=
@@ -3052,7 +3053,7 @@ zoran_do_ioctl (struct inode *inode,
 
 				fh->map_mode = ZORAN_MAP_MODE_RAW;
 			sfmtv4l_unlock_and_return:
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -3077,7 +3078,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_FBUF\n", ZR_DEVNAME(zr));
 
 		memset(fb, 0, sizeof(*fb));
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		fb->base = zr->buffer.base;
 		fb->fmt.width = zr->buffer.width;
 		fb->fmt.height = zr->buffer.height;
@@ -3086,7 +3087,7 @@ zoran_do_ioctl (struct inode *inode,
 				fh->overlay_settings.format->fourcc;
 		}
 		fb->fmt.bytesperline = zr->buffer.bytesperline;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
 		fb->fmt.field = V4L2_FIELD_INTERLACED;
 		fb->flags = V4L2_FBUF_FLAG_OVERLAY;
@@ -3121,12 +3122,12 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res =
 		    setup_fbuffer(file, fb->base, &zoran_formats[i],
 				  fb->fmt.width, fb->fmt.height,
 				  fb->fmt.bytesperline);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3139,9 +3140,9 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_PREVIEW - on=%d\n",
 			ZR_DEVNAME(zr), *on);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = setup_overlay(file, *on);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3163,7 +3164,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
 			dprintk(1,
@@ -3224,7 +3225,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto v4l2reqbuf_unlock_and_return;
 		}
 	v4l2reqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3245,9 +3246,9 @@ zoran_do_ioctl (struct inode *inode,
 		buf->type = type;
 		buf->index = index;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		res = zoran_v4l2_buffer_status(file, buf, buf->index);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3262,7 +3263,7 @@ zoran_do_ioctl (struct inode *inode,
 			KERN_DEBUG "%s: VIDIOC_QBUF - type=%d, index=%d\n",
 			ZR_DEVNAME(zr), buf->type, buf->index);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:
@@ -3322,7 +3323,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto qbuf_unlock_and_return;
 		}
 	qbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3336,7 +3337,7 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_DQBUF - type=%d\n",
 			ZR_DEVNAME(zr), buf->type);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:
@@ -3410,7 +3411,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto dqbuf_unlock_and_return;
 		}
 	dqbuf_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3422,7 +3423,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMON\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:	/* raw capture */
@@ -3470,7 +3471,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto strmon_unlock_and_return;
 		}
 	strmon_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3482,7 +3483,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMOFF\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		switch (fh->map_mode) {
 		case ZORAN_MAP_MODE_RAW:	/* raw capture */
@@ -3540,7 +3541,7 @@ zoran_do_ioctl (struct inode *inode,
 			goto strmoff_unlock_and_return;
 		}
 	strmoff_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3600,7 +3601,7 @@ zoran_do_ioctl (struct inode *inode,
 		    ctrl->id > V4L2_CID_HUE)
 			return -EINVAL;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		switch (ctrl->id) {
 		case V4L2_CID_BRIGHTNESS:
 			ctrl->value = zr->brightness;
@@ -3615,7 +3616,7 @@ zoran_do_ioctl (struct inode *inode,
 			ctrl->value = zr->hue;
 			break;
 		}
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3642,7 +3643,7 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		switch (ctrl->id) {
 		case V4L2_CID_BRIGHTNESS:
 			zr->brightness = ctrl->value;
@@ -3664,7 +3665,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		decoder_command(zr, DECODER_SET_PICTURE, &pict);
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3732,9 +3733,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_STD\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		norm = zr->norm;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		switch (norm) {
 		case VIDEO_MODE_PAL:
@@ -3776,13 +3777,13 @@ zoran_do_ioctl (struct inode *inode,
 			return -EINVAL;
 		}
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_norm(zr, norm)))
 			goto sstd_unlock_and_return;
 
 		res = wait_grab_pending(zr);
 	sstd_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3809,9 +3810,9 @@ zoran_do_ioctl (struct inode *inode,
 		inp->std = V4L2_STD_ALL;
 
 		/* Get status of video decoder */
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		decoder_command(zr, DECODER_GET_STATUS, &status);
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		if (!(status & DECODER_STATUS_GOOD)) {
 			inp->status |= V4L2_IN_ST_NO_POWER;
@@ -3830,9 +3831,9 @@ zoran_do_ioctl (struct inode *inode,
 
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_G_INPUT\n", ZR_DEVNAME(zr));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		*input = zr->input;
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -3845,14 +3846,14 @@ zoran_do_ioctl (struct inode *inode,
 		dprintk(3, KERN_DEBUG "%s: VIDIOC_S_INPUT - input=%d\n",
 			ZR_DEVNAME(zr), *input);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 		if ((res = zoran_set_input(zr, *input)))
 			goto sinput_unlock_and_return;
 
 		/* Make sure the changes come into effect */
 		res = wait_grab_pending(zr);
 	sinput_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3914,7 +3915,7 @@ zoran_do_ioctl (struct inode *inode,
 		memset(cropcap, 0, sizeof(*cropcap));
 		cropcap->type = type;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 		    (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
@@ -3934,7 +3935,7 @@ zoran_do_ioctl (struct inode *inode,
 		cropcap->defrect.width = BUZ_MIN_WIDTH;
 		cropcap->defrect.height = BUZ_MIN_HEIGHT;
 	cropcap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -3950,7 +3951,7 @@ zoran_do_ioctl (struct inode *inode,
 		memset(crop, 0, sizeof(*crop));
 		crop->type = type;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
 		    (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
@@ -3969,7 +3970,7 @@ zoran_do_ioctl (struct inode *inode,
 		crop->c.height = fh->jpg_settings.img_height;
 
 	gcrop_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return res;
 	}
@@ -3988,7 +3989,7 @@ zoran_do_ioctl (struct inode *inode,
 			ZR_DEVNAME(zr), crop->type, crop->c.left, crop->c.top,
 			crop->c.width, crop->c.height);
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
 			dprintk(1,
@@ -4024,7 +4025,7 @@ zoran_do_ioctl (struct inode *inode,
 		fh->jpg_settings = settings;
 
 	scrop_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 		return res;
 	}
 		break;
@@ -4038,7 +4039,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		memset(params, 0, sizeof(*params));
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		params->quality = fh->jpg_settings.jpg_comp.quality;
 		params->APPn = fh->jpg_settings.jpg_comp.APPn;
@@ -4053,7 +4054,7 @@ zoran_do_ioctl (struct inode *inode,
 		params->jpeg_markers =
 		    fh->jpg_settings.jpg_comp.jpeg_markers;
 
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -4074,7 +4075,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		settings.jpg_comp = *params;
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		if (fh->v4l_buffers.active != ZORAN_FREE ||
 		    fh->jpg_buffers.active != ZORAN_FREE) {
@@ -4093,7 +4094,7 @@ zoran_do_ioctl (struct inode *inode,
 			    zoran_v4l2_calc_bufsize(&fh->jpg_settings);
 		fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
 	sjpegc_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		return 0;
 	}
@@ -4127,7 +4128,7 @@ zoran_do_ioctl (struct inode *inode,
 
 		switch (fmt->type) {
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
 				fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
@@ -4138,7 +4139,7 @@ zoran_do_ioctl (struct inode *inode,
 			if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
 				fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
 
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 			break;
 
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -4146,7 +4147,7 @@ zoran_do_ioctl (struct inode *inode,
 			if (fmt->fmt.pix.bytesperline > 0)
 				return -EINVAL;
 
-			down(&zr->resource_lock);
+			mutex_lock(&zr->resource_lock);
 
 			if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
 				settings = fh->jpg_settings;
@@ -4229,7 +4230,7 @@ zoran_do_ioctl (struct inode *inode,
 				goto tryfmt_unlock_and_return;
 			}
 		tryfmt_unlock_and_return:
-			up(&zr->resource_lock);
+			mutex_unlock(&zr->resource_lock);
 
 			return res;
 			break;
@@ -4280,7 +4281,7 @@ zoran_poll (struct file *file,
 	 * if no buffers queued or so, return POLLNVAL
 	 */
 
-	down(&zr->resource_lock);
+	mutex_lock(&zr->resource_lock);
 
 	switch (fh->map_mode) {
 	case ZORAN_MAP_MODE_RAW:
@@ -4329,7 +4330,7 @@ zoran_poll (struct file *file,
 	}
 
 poll_unlock_and_return:
-	up(&zr->resource_lock);
+	mutex_unlock(&zr->resource_lock);
 
 	return res;
 }
@@ -4385,7 +4386,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				if (fh->jpg_buffers.buffer[i].map)
 					break;
 			if (i == fh->jpg_buffers.num_buffers) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				if (fh->jpg_buffers.active != ZORAN_FREE) {
 					jpg_qbuf(file, -1, zr->codec_mode);
@@ -4398,7 +4399,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				fh->jpg_buffers.allocated = 0;
 				fh->jpg_buffers.ready_to_be_freed = 1;
 
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -4421,7 +4422,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				if (fh->v4l_buffers.buffer[i].map)
 					break;
 			if (i == fh->v4l_buffers.num_buffers) {
-				down(&zr->resource_lock);
+				mutex_lock(&zr->resource_lock);
 
 				if (fh->v4l_buffers.active != ZORAN_FREE) {
 					zr36057_set_memgrab(zr, 0);
@@ -4434,7 +4435,7 @@ zoran_vm_close (struct vm_area_struct *vma)
 				fh->v4l_buffers.allocated = 0;
 				fh->v4l_buffers.ready_to_be_freed = 1;
 
-				up(&zr->resource_lock);
+				mutex_unlock(&zr->resource_lock);
 			}
 
 			break;
@@ -4489,7 +4490,7 @@ zoran_mmap (struct file           *file,
 	case ZORAN_MAP_MODE_JPG_PLAY:
 
 		/* lock */
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		/* Map the MJPEG buffers */
 		if (!fh->jpg_buffers.allocated) {
@@ -4579,13 +4580,13 @@ zoran_mmap (struct file           *file,
 
 		}
 	jpg_mmap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		break;
 
 	case ZORAN_MAP_MODE_RAW:
 
-		down(&zr->resource_lock);
+		mutex_lock(&zr->resource_lock);
 
 		/* Map the V4L buffers */
 		if (!fh->v4l_buffers.allocated) {
@@ -4657,7 +4658,7 @@ zoran_mmap (struct file           *file,
 				break;
 		}
 	v4l_mmap_unlock_and_return:
-		up(&zr->resource_lock);
+		mutex_unlock(&zr->resource_lock);
 
 		break;