Merge branch 'v3.1-rc10' into for-3.2/core

Conflicts:
	block/blk-core.c
	include/linux/blkdev.h

Signed-off-by: Jens Axboe <axboe@kernel.dk>

15 files changed, 56 insertions, 91 deletions

diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c
index 3db89e3..536c16c 100644
--- a/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/drivers/media/dvb/dvb-usb/vp7045.c
@@ -224,26 +224,8 @@ static struct dvb_usb_device_properties vp7045_properties;
 static int vp7045_usb_probe(struct usb_interface *intf,
 		const struct usb_device_id *id)
 {
-	struct dvb_usb_device *d;
-	int ret = dvb_usb_device_init(intf, &vp7045_properties,
-				   THIS_MODULE, &d, adapter_nr);
-	if (ret)
-		return ret;
-
-	d->priv = kmalloc(20, GFP_KERNEL);
-	if (!d->priv) {
-		dvb_usb_device_exit(intf);
-		return -ENOMEM;
-	}
-
-	return ret;
-}
-
-static void vp7045_usb_disconnect(struct usb_interface *intf)
-{
-	struct dvb_usb_device *d = usb_get_intfdata(intf);
-	kfree(d->priv);
-	dvb_usb_device_exit(intf);
+	return dvb_usb_device_init(intf, &vp7045_properties,
+				   THIS_MODULE, NULL, adapter_nr);
 }
 
 static struct usb_device_id vp7045_usb_table [] = {
@@ -258,7 +240,7 @@ MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
 static struct dvb_usb_device_properties vp7045_properties = {
 	.usb_ctrl = CYPRESS_FX2,
 	.firmware = "dvb-usb-vp7045-01.fw",
-	.size_of_priv = sizeof(u8 *),
+	.size_of_priv = 20,
 
 	.num_adapters = 1,
 	.adapter = {
@@ -305,7 +287,7 @@ static struct dvb_usb_device_properties vp7045_properties = {
 static struct usb_driver vp7045_usb_driver = {
 	.name		= "dvb_usb_vp7045",
 	.probe		= vp7045_usb_probe,
-	.disconnect	= vp7045_usb_disconnect,
+	.disconnect	= dvb_usb_device_exit,
 	.id_table	= vp7045_usb_table,
 };
 
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index eae05b5..144f3f5 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -618,7 +618,6 @@ static void nvt_dump_rx_buf(struct nvt_dev *nvt)
 static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
 {
 	DEFINE_IR_RAW_EVENT(rawir);
-	unsigned int count;
 	u32 carrier;
 	u8 sample;
 	int i;
@@ -631,65 +630,38 @@ static void nvt_process_rx_ir_data(struct nvt_dev *nvt)
 	if (nvt->carrier_detect_enabled)
 		carrier = nvt_rx_carrier_detect(nvt);
 
-	count = nvt->pkts;
-	nvt_dbg_verbose("Processing buffer of len %d", count);
+	nvt_dbg_verbose("Processing buffer of len %d", nvt->pkts);
 
 	init_ir_raw_event(&rawir);
 
-	for (i = 0; i < count; i++) {
-		nvt->pkts--;
+	for (i = 0; i < nvt->pkts; i++) {
 		sample = nvt->buf[i];
 
 		rawir.pulse = ((sample & BUF_PULSE_BIT) != 0);
 		rawir.duration = US_TO_NS((sample & BUF_LEN_MASK)
 					  * SAMPLE_PERIOD);
 
-		if ((sample & BUF_LEN_MASK) == BUF_LEN_MASK) {
-			if (nvt->rawir.pulse == rawir.pulse)
-				nvt->rawir.duration += rawir.duration;
-			else {
-				nvt->rawir.duration = rawir.duration;
-				nvt->rawir.pulse = rawir.pulse;
-			}
-			continue;
-		}
-
-		rawir.duration += nvt->rawir.duration;
+		nvt_dbg("Storing %s with duration %d",
+			rawir.pulse ? "pulse" : "space", rawir.duration);
 
-		init_ir_raw_event(&nvt->rawir);
-		nvt->rawir.duration = 0;
-		nvt->rawir.pulse = rawir.pulse;
-
-		if (sample == BUF_PULSE_BIT)
-			rawir.pulse = false;
-
-		if (rawir.duration) {
-			nvt_dbg("Storing %s with duration %d",
-				rawir.pulse ? "pulse" : "space",
-				rawir.duration);
-
-			ir_raw_event_store_with_filter(nvt->rdev, &rawir);
-		}
+		ir_raw_event_store_with_filter(nvt->rdev, &rawir);
 
 		/*
 		 * BUF_PULSE_BIT indicates end of IR data, BUF_REPEAT_BYTE
 		 * indicates end of IR signal, but new data incoming. In both
 		 * cases, it means we're ready to call ir_raw_event_handle
 		 */
-		if ((sample == BUF_PULSE_BIT) && nvt->pkts) {
+		if ((sample == BUF_PULSE_BIT) && (i + 1 < nvt->pkts)) {
 			nvt_dbg("Calling ir_raw_event_handle (signal end)\n");
 			ir_raw_event_handle(nvt->rdev);
 		}
 	}
 
+	nvt->pkts = 0;
+
 	nvt_dbg("Calling ir_raw_event_handle (buffer empty)\n");
 	ir_raw_event_handle(nvt->rdev);
 
-	if (nvt->pkts) {
-		nvt_dbg("Odd, pkts should be 0 now... (its %u)", nvt->pkts);
-		nvt->pkts = 0;
-	}
-
 	nvt_dbg_verbose("%s done", __func__);
 }
 
@@ -1048,7 +1020,6 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
 
 	spin_lock_init(&nvt->nvt_lock);
 	spin_lock_init(&nvt->tx.lock);
-	init_ir_raw_event(&nvt->rawir);
 
 	ret = -EBUSY;
 	/* now claim resources */
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h
index 1241fc8..0d5e087 100644
--- a/drivers/media/rc/nuvoton-cir.h
+++ b/drivers/media/rc/nuvoton-cir.h
@@ -67,7 +67,6 @@ static int debug;
 struct nvt_dev {
 	struct pnp_dev *pdev;
 	struct rc_dev *rdev;
-	struct ir_raw_event rawir;
 
 	spinlock_t nvt_lock;
 
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index 0800433..18305c8 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -2858,7 +2858,6 @@ static void ov7xx0_configure(struct sd *sd)
 			case 0x60:
 				PDEBUG(D_PROBE, "Sensor is a OV7660");
 				sd->sensor = SEN_OV7660;
-				sd->invert_led = 0;
 				break;
 			default:
 				PDEBUG(D_PROBE, "Unknown sensor: 0x76%x", low);
@@ -3337,7 +3336,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	case BRIDGE_OV519:
 		cam->cam_mode = ov519_vga_mode;
 		cam->nmodes = ARRAY_SIZE(ov519_vga_mode);
-		sd->invert_led = !sd->invert_led;
 		break;
 	case BRIDGE_OVFX2:
 		cam->cam_mode = ov519_vga_mode;
@@ -5005,24 +5003,24 @@ static const struct sd_desc sd_desc = {
 /* -- module initialisation -- */
 static const struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x041e, 0x4003), .driver_info = BRIDGE_W9968CF },
-	{USB_DEVICE(0x041e, 0x4052), .driver_info = BRIDGE_OV519 },
-	{USB_DEVICE(0x041e, 0x405f),
+	{USB_DEVICE(0x041e, 0x4052),
 		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+	{USB_DEVICE(0x041e, 0x405f), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x041e, 0x4060), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x041e, 0x4061), .driver_info = BRIDGE_OV519 },
-	{USB_DEVICE(0x041e, 0x4064),
-		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+	{USB_DEVICE(0x041e, 0x4064), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x041e, 0x4067), .driver_info = BRIDGE_OV519 },
-	{USB_DEVICE(0x041e, 0x4068),
+	{USB_DEVICE(0x041e, 0x4068), .driver_info = BRIDGE_OV519 },
+	{USB_DEVICE(0x045e, 0x028c),
 		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
-	{USB_DEVICE(0x045e, 0x028c), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x054c, 0x0154), .driver_info = BRIDGE_OV519 },
-	{USB_DEVICE(0x054c, 0x0155),
-		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+	{USB_DEVICE(0x054c, 0x0155), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x05a9, 0x0511), .driver_info = BRIDGE_OV511 },
 	{USB_DEVICE(0x05a9, 0x0518), .driver_info = BRIDGE_OV518 },
-	{USB_DEVICE(0x05a9, 0x0519), .driver_info = BRIDGE_OV519 },
-	{USB_DEVICE(0x05a9, 0x0530), .driver_info = BRIDGE_OV519 },
+	{USB_DEVICE(0x05a9, 0x0519),
+		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
+	{USB_DEVICE(0x05a9, 0x0530),
+		.driver_info = BRIDGE_OV519 | BRIDGE_INVERT_LED },
 	{USB_DEVICE(0x05a9, 0x2800), .driver_info = BRIDGE_OVFX2 },
 	{USB_DEVICE(0x05a9, 0x4519), .driver_info = BRIDGE_OV519 },
 	{USB_DEVICE(0x05a9, 0x8519), .driver_info = BRIDGE_OV519 },
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 81b8a60..c477ad1 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -2386,7 +2386,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 		reg_w1(gspca_dev, 0x01, 0x22);
 		msleep(100);
 		reg01 = SCL_SEL_OD | S_PDN_INV;
-		reg17 &= MCK_SIZE_MASK;
+		reg17 &= ~MCK_SIZE_MASK;
 		reg17 |= 0x04;		/* clock / 4 */
 		break;
 	}
@@ -2532,6 +2532,10 @@ static int sd_start(struct gspca_dev *gspca_dev)
 		if (!mode) {			/* if 640x480 */
 			reg17 &= ~MCK_SIZE_MASK;
 			reg17 |= 0x04;		/* clock / 4 */
+		} else {
+			reg01 &= ~SYS_SEL_48M;	/* clk 24Mz */
+			reg17 &= ~MCK_SIZE_MASK;
+			reg17 |= 0x02;		/* clock / 2 */
 		}
 		break;
 	case SENSOR_OV7630:
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index b5ef362..b3a5ecd 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -2194,19 +2194,6 @@ static int __init omap_vout_probe(struct platform_device *pdev)
 					"'%s' Display already enabled\n",
 					def_display->name);
 			}
-			/* set the update mode */
-			if (def_display->caps &
-					OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
-				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);
-			} else {
-				if (dssdrv->set_update_mode)
-					dssdrv->set_update_mode(def_display,
-							OMAP_DSS_UPDATE_AUTO);
-			}
 		}
 	}
 
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c
index 9d3459d..80796eb 100644
--- a/drivers/media/video/omap3isp/ispccdc.c
+++ b/drivers/media/video/omap3isp/ispccdc.c
@@ -31,6 +31,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 #include <media/v4l2-event.h>
 
 #include "isp.h"
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c
index e9a0e94..8c70e64 100644
--- a/drivers/media/video/pwc/pwc-v4l.c
+++ b/drivers/media/video/pwc/pwc-v4l.c
@@ -338,7 +338,7 @@ int pwc_init_controls(struct pwc_device *pdev)
 	if (pdev->restore_factory)
 		pdev->restore_factory->flags = V4L2_CTRL_FLAG_UPDATE;
 
-	if (!pdev->features & FEATURE_MOTOR_PANTILT)
+	if (!(pdev->features & FEATURE_MOTOR_PANTILT))
 		return hdl->error;
 
 	/* Motor pan / tilt / reset */
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index d29f9c2..e4100b1 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1961,7 +1961,7 @@ static int __uvc_resume(struct usb_interface *intf, int reset)
 
 	list_for_each_entry(stream, &dev->streams, list) {
 		if (stream->intf == intf)
-			return uvc_video_resume(stream);
+			return uvc_video_resume(stream, reset);
 	}
 
 	uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface "
diff --git a/drivers/media/video/uvc/uvc_entity.c b/drivers/media/video/uvc/uvc_entity.c
index 48fea37..29e2399 100644
--- a/drivers/media/video/uvc/uvc_entity.c
+++ b/drivers/media/video/uvc/uvc_entity.c
@@ -49,7 +49,7 @@ static int uvc_mc_register_entity(struct uvc_video_chain *chain,
 		if (remote == NULL)
 			return -EINVAL;
 
-		source = (UVC_ENTITY_TYPE(remote) != UVC_TT_STREAMING)
+		source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING)
 		       ? (remote->vdev ? &remote->vdev->entity : NULL)
 		       : &remote->subdev.entity;
 		if (source == NULL)
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 8244167..ffd1158 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -1104,10 +1104,18 @@ int uvc_video_suspend(struct uvc_streaming *stream)
  * buffers, making sure userspace applications are notified of the problem
  * instead of waiting forever.
  */
-int uvc_video_resume(struct uvc_streaming *stream)
+int uvc_video_resume(struct uvc_streaming *stream, int reset)
 {
 	int ret;
 
+	/* If the bus has been reset on resume, set the alternate setting to 0.
+	 * This should be the default value, but some devices crash or otherwise
+	 * misbehave if they don't receive a SET_INTERFACE request before any
+	 * other video control request.
+	 */
+	if (reset)
+		usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+
 	stream->frozen = 0;
 
 	ret = uvc_commit_video(stream, &stream->ctrl);
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index df32a43..cbdd49b 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -638,7 +638,7 @@ extern void uvc_mc_cleanup_entity(struct uvc_entity *entity);
 /* Video */
 extern int uvc_video_init(struct uvc_streaming *stream);
 extern int uvc_video_suspend(struct uvc_streaming *stream);
-extern int uvc_video_resume(struct uvc_streaming *stream);
+extern int uvc_video_resume(struct uvc_streaming *stream, int reset);
 extern int uvc_video_enable(struct uvc_streaming *stream, int enable);
 extern int uvc_probe_video(struct uvc_streaming *stream,
 		struct uvc_streaming_control *probe);
diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 06f1400..d721565 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -173,6 +173,17 @@ static void v4l2_device_release(struct device *cd)
 		media_device_unregister_entity(&vdev->entity);
 #endif
 
+	/* Do not call v4l2_device_put if there is no release callback set.
+	 * Drivers that have no v4l2_device release callback might free the
+	 * v4l2_dev instance in the video_device release callback below, so we
+	 * must perform this check here.
+	 *
+	 * TODO: In the long run all drivers that use v4l2_device should use the
+	 * v4l2_device release callback. This check will then be unnecessary.
+	 */
+	if (v4l2_dev->release == NULL)
+		v4l2_dev = NULL;
+
 	/* Release video_device and perform other
 	   cleanups as needed. */
 	vdev->release(vdev);
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c
index c72856c..e6a2c3b 100644
--- a/drivers/media/video/v4l2-device.c
+++ b/drivers/media/video/v4l2-device.c
@@ -38,6 +38,7 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev)
 	mutex_init(&v4l2_dev->ioctl_lock);
 	v4l2_prio_init(&v4l2_dev->prio);
 	kref_init(&v4l2_dev->ref);
+	get_device(dev);
 	v4l2_dev->dev = dev;
 	if (dev == NULL) {
 		/* If dev == NULL, then name must be filled in by the caller */
@@ -93,6 +94,7 @@ void v4l2_device_disconnect(struct v4l2_device *v4l2_dev)
 
 	if (dev_get_drvdata(v4l2_dev->dev) == v4l2_dev)
 		dev_set_drvdata(v4l2_dev->dev, NULL);
+	put_device(v4l2_dev->dev);
 	v4l2_dev->dev = NULL;
 }
 EXPORT_SYMBOL_GPL(v4l2_device_disconnect);
diff --git a/drivers/media/video/via-camera.c b/drivers/media/video/via-camera.c
index 85d3048..bb7f17f 100644
--- a/drivers/media/video/via-camera.c
+++ b/drivers/media/video/via-camera.c
@@ -1332,6 +1332,8 @@ static __devinit bool viacam_serial_is_enabled(void)
 	struct pci_bus *pbus = pci_find_bus(0, 0);
 	u8 cbyte;
 
+	if (!pbus)
+		return false;
 	pci_bus_read_config_byte(pbus, VIACAM_SERIAL_DEVFN,
 			VIACAM_SERIAL_CREG, &cbyte);
 	if ((cbyte & VIACAM_SERIAL_BIT) == 0)