Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: V4L/DVB (5822): Fix the return value in ttpci_budget_init() V4L/DVB (5818): CinergyT2: fix flush_workqueue() vs work->func() deadlock V4L/DVB (5816): Cx88-blackbird: fix vidioc_g_tuner never ending list of tuners V4L/DVB (5808): Bttv: fix v4l1 breaking the driver
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commit
f744a0547a
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@ -118,6 +118,7 @@ struct cinergyt2 {
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struct dvb_demux demux;
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struct usb_device *udev;
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struct mutex sem;
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struct mutex wq_sem;
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struct dvb_adapter adapter;
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struct dvb_device *fedev;
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struct dmxdev dmxdev;
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@ -482,14 +483,14 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
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struct cinergyt2 *cinergyt2 = dvbdev->priv;
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int err = -ERESTARTSYS;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
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return -ERESTARTSYS;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem))
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goto out;
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if ((err = dvb_generic_open(inode, file))) {
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mutex_unlock(&cinergyt2->sem);
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return err;
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}
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if (mutex_lock_interruptible(&cinergyt2->sem))
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goto out_unlock1;
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if ((err = dvb_generic_open(inode, file)))
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goto out_unlock2;
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if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
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cinergyt2_sleep(cinergyt2, 0);
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@ -498,8 +499,12 @@ static int cinergyt2_open (struct inode *inode, struct file *file)
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atomic_inc(&cinergyt2->inuse);
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out_unlock2:
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mutex_unlock(&cinergyt2->sem);
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return 0;
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out_unlock1:
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mutex_unlock(&cinergyt2->wq_sem);
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out:
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return err;
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}
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static void cinergyt2_unregister(struct cinergyt2 *cinergyt2)
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@ -519,15 +524,17 @@ static int cinergyt2_release (struct inode *inode, struct file *file)
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struct dvb_device *dvbdev = file->private_data;
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struct cinergyt2 *cinergyt2 = dvbdev->priv;
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mutex_lock(&cinergyt2->sem);
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mutex_lock(&cinergyt2->wq_sem);
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if (!cinergyt2->disconnect_pending && (file->f_flags & O_ACCMODE) != O_RDONLY) {
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cancel_delayed_work(&cinergyt2->query_work);
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flush_scheduled_work();
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cancel_rearming_delayed_work(&cinergyt2->query_work);
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mutex_lock(&cinergyt2->sem);
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cinergyt2_sleep(cinergyt2, 1);
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mutex_unlock(&cinergyt2->sem);
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}
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mutex_unlock(&cinergyt2->sem);
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mutex_unlock(&cinergyt2->wq_sem);
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if (atomic_dec_and_test(&cinergyt2->inuse) && cinergyt2->disconnect_pending) {
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warn("delayed unregister in release");
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@ -838,13 +845,13 @@ static int cinergyt2_register_rc(struct cinergyt2 *cinergyt2)
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static void cinergyt2_unregister_rc(struct cinergyt2 *cinergyt2)
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{
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cancel_delayed_work(&cinergyt2->rc_query_work);
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cancel_rearming_delayed_work(&cinergyt2->rc_query_work);
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input_unregister_device(cinergyt2->rc_input_dev);
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}
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static inline void cinergyt2_suspend_rc(struct cinergyt2 *cinergyt2)
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{
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cancel_delayed_work(&cinergyt2->rc_query_work);
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cancel_rearming_delayed_work(&cinergyt2->rc_query_work);
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}
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static inline void cinergyt2_resume_rc(struct cinergyt2 *cinergyt2)
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@ -907,6 +914,7 @@ static int cinergyt2_probe (struct usb_interface *intf,
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usb_set_intfdata (intf, (void *) cinergyt2);
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mutex_init(&cinergyt2->sem);
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mutex_init(&cinergyt2->wq_sem);
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init_waitqueue_head (&cinergyt2->poll_wq);
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INIT_DELAYED_WORK(&cinergyt2->query_work, cinergyt2_query);
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@ -974,11 +982,8 @@ static void cinergyt2_disconnect (struct usb_interface *intf)
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{
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struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
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flush_scheduled_work();
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cinergyt2_unregister_rc(cinergyt2);
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cancel_delayed_work(&cinergyt2->query_work);
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cancel_rearming_delayed_work(&cinergyt2->query_work);
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wake_up_interruptible(&cinergyt2->poll_wq);
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cinergyt2->demux.dmx.close(&cinergyt2->demux.dmx);
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@ -992,21 +997,21 @@ static int cinergyt2_suspend (struct usb_interface *intf, pm_message_t state)
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{
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struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem))
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return -ERESTARTSYS;
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if (1) {
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struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
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cinergyt2_suspend_rc(cinergyt2);
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cancel_delayed_work(&cinergyt2->query_work);
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cancel_rearming_delayed_work(&cinergyt2->query_work);
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mutex_lock(&cinergyt2->sem);
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if (cinergyt2->streaming)
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cinergyt2_stop_stream_xfer(cinergyt2);
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flush_scheduled_work();
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cinergyt2_sleep(cinergyt2, 1);
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mutex_unlock(&cinergyt2->sem);
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}
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mutex_unlock(&cinergyt2->sem);
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mutex_unlock(&cinergyt2->wq_sem);
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return 0;
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}
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@ -1014,9 +1019,15 @@ static int cinergyt2_resume (struct usb_interface *intf)
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{
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struct cinergyt2 *cinergyt2 = usb_get_intfdata (intf);
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struct dvbt_set_parameters_msg *param = &cinergyt2->param;
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int err = -ERESTARTSYS;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem))
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return -ERESTARTSYS;
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if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->wq_sem))
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goto out;
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if (mutex_lock_interruptible(&cinergyt2->sem))
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goto out_unlock1;
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err = 0;
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if (!cinergyt2->sleeping) {
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cinergyt2_sleep(cinergyt2, 0);
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@ -1029,7 +1040,10 @@ static int cinergyt2_resume (struct usb_interface *intf)
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cinergyt2_resume_rc(cinergyt2);
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mutex_unlock(&cinergyt2->sem);
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return 0;
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out_unlock1:
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mutex_unlock(&cinergyt2->wq_sem);
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out:
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return err;
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}
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static const struct usb_device_id cinergyt2_table [] __devinitdata = {
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@ -529,7 +529,7 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
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if (bi->type != BUDGET_FS_ACTIVY)
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saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
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if (budget_register(budget) == 0)
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if ((ret = budget_register(budget)) == 0)
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return 0; /* Everything OK */
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/* An error occurred, cleanup resources */
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@ -1331,7 +1331,7 @@ set_tvnorm(struct bttv *btv, unsigned int norm)
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/* Call with btv->lock down. */
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static void
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set_input(struct bttv *btv, unsigned int input)
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set_input(struct bttv *btv, unsigned int input, unsigned int norm)
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{
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unsigned long flags;
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@ -1350,7 +1350,7 @@ set_input(struct bttv *btv, unsigned int input)
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}
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audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ?
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TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN));
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set_tvnorm(btv,btv->tvnorm);
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set_tvnorm(btv, norm);
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i2c_vidiocschan(btv);
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}
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@ -1441,7 +1441,7 @@ static void bttv_reinit_bt848(struct bttv *btv)
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init_bt848(btv);
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btv->pll.pll_current = -1;
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set_input(btv,btv->input);
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set_input(btv, btv->input, btv->tvnorm);
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}
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static int get_control(struct bttv *btv, struct v4l2_control *c)
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@ -2011,8 +2011,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
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return 0;
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}
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btv->tvnorm = v->norm;
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set_input(btv,v->channel);
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set_input(btv, v->channel, v->norm);
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mutex_unlock(&btv->lock);
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return 0;
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}
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@ -2148,7 +2147,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
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if (*i > bttv_tvcards[btv->c.type].video_inputs)
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return -EINVAL;
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mutex_lock(&btv->lock);
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set_input(btv,*i);
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set_input(btv, *i, btv->tvnorm);
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mutex_unlock(&btv->lock);
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return 0;
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}
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@ -4780,7 +4779,7 @@ static int __devinit bttv_probe(struct pci_dev *dev,
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bt848_hue(btv,32768);
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bt848_sat(btv,32768);
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audio_mute(btv, 1);
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set_input(btv,0);
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set_input(btv, 0, btv->tvnorm);
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bttv_crop_reset(&btv->crop[0], btv->tvnorm);
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btv->crop[1] = btv->crop[0]; /* current = default */
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disclaim_vbi_lines(btv);
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@ -1034,6 +1034,8 @@ static int vidioc_g_tuner (struct file *file, void *priv,
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if (unlikely(UNSET == core->tuner_type))
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return -EINVAL;
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if (0 != t->index)
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return -EINVAL;
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strcpy(t->name, "Television");
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t->type = V4L2_TUNER_ANALOG_TV;
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