media: pci: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Andy Walls <awalls@md.metrocast.net>
Cc: Sergey Kozlov <serjk@netup.ru>
Cc: Abylay Ospan <aospan@netup.ru>
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Cc: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Geliang Tang <geliangtang@gmail.com>
Cc: Sean Young <sean@mess.org>
Cc: "Pali Rohár" <pali.rohar@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
[hans.verkuil@cisco.com: dropped pci/ttpci/av7110_ir.c patch chunk]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 227086a..b366a7e 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -3652,9 +3652,9 @@
wake_up(&wakeup->vb.done);
}
-static void bttv_irq_timeout(unsigned long data)
+static void bttv_irq_timeout(struct timer_list *t)
{
- struct bttv *btv = (struct bttv *)data;
+ struct bttv *btv = from_timer(btv, t, timeout);
struct bttv_buffer_set old,new;
struct bttv_buffer *ovbi;
struct bttv_buffer *item;
@@ -4043,7 +4043,7 @@
INIT_LIST_HEAD(&btv->capture);
INIT_LIST_HEAD(&btv->vcapture);
- setup_timer(&btv->timeout, bttv_irq_timeout, (unsigned long)btv);
+ timer_setup(&btv->timeout, bttv_irq_timeout, 0);
btv->i2c_rc = -1;
btv->tuner_type = UNSET;
diff --git a/drivers/media/pci/bt8xx/bttv-input.c b/drivers/media/pci/bt8xx/bttv-input.c
index 73d655d..ac76747 100644
--- a/drivers/media/pci/bt8xx/bttv-input.c
+++ b/drivers/media/pci/bt8xx/bttv-input.c
@@ -133,10 +133,10 @@
ir_handle_key(btv);
}
-static void bttv_input_timer(unsigned long data)
+static void bttv_input_timer(struct timer_list *t)
{
- struct bttv *btv = (struct bttv*)data;
- struct bttv_ir *ir = btv->remote;
+ struct bttv_ir *ir = from_timer(ir, t, timer);
+ struct bttv *btv = ir->btv;
if (btv->c.type == BTTV_BOARD_ENLTV_FM_2)
ir_enltv_handle_key(btv);
@@ -189,9 +189,9 @@
return rc5;
}
-static void bttv_rc5_timer_end(unsigned long data)
+static void bttv_rc5_timer_end(struct timer_list *t)
{
- struct bttv_ir *ir = (struct bttv_ir *)data;
+ struct bttv_ir *ir = from_timer(ir, t, timer);
ktime_t tv;
u32 gap, rc5, scancode;
u8 toggle, command, system;
@@ -296,15 +296,15 @@
/* ---------------------------------------------------------------------- */
-static void bttv_ir_start(struct bttv *btv, struct bttv_ir *ir)
+static void bttv_ir_start(struct bttv_ir *ir)
{
if (ir->polling) {
- setup_timer(&ir->timer, bttv_input_timer, (unsigned long)btv);
+ timer_setup(&ir->timer, bttv_input_timer, 0);
ir->timer.expires = jiffies + msecs_to_jiffies(1000);
add_timer(&ir->timer);
} else if (ir->rc5_gpio) {
/* set timer_end for code completion */
- setup_timer(&ir->timer, bttv_rc5_timer_end, (unsigned long)ir);
+ timer_setup(&ir->timer, bttv_rc5_timer_end, 0);
ir->shift_by = 1;
ir->rc5_remote_gap = ir_rc5_remote_gap;
}
@@ -531,6 +531,7 @@
/* init input device */
ir->dev = rc;
+ ir->btv = btv;
snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
btv->c.type);
@@ -553,7 +554,7 @@
rc->driver_name = MODULE_NAME;
btv->remote = ir;
- bttv_ir_start(btv, ir);
+ bttv_ir_start(ir);
/* all done */
err = rc_register_device(rc);
diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h
index 853cbb2..cb1b5e6 100644
--- a/drivers/media/pci/bt8xx/bttvp.h
+++ b/drivers/media/pci/bt8xx/bttvp.h
@@ -122,6 +122,7 @@
struct bttv_ir {
struct rc_dev *dev;
+ struct bttv *btv;
struct timer_list timer;
char name[32];
diff --git a/drivers/media/pci/cx18/cx18-fileops.c b/drivers/media/pci/cx18/cx18-fileops.c
index 98467b2..4f9c239 100644
--- a/drivers/media/pci/cx18/cx18-fileops.c
+++ b/drivers/media/pci/cx18/cx18-fileops.c
@@ -684,9 +684,9 @@
return -EINVAL;
}
-void cx18_vb_timeout(unsigned long data)
+void cx18_vb_timeout(struct timer_list *t)
{
- struct cx18_stream *s = (struct cx18_stream *)data;
+ struct cx18_stream *s = from_timer(s, t, vb_timeout);
struct cx18_videobuf_buffer *buf;
unsigned long flags;
diff --git a/drivers/media/pci/cx18/cx18-fileops.h b/drivers/media/pci/cx18/cx18-fileops.h
index 58b00b4..37ef34e 100644
--- a/drivers/media/pci/cx18/cx18-fileops.h
+++ b/drivers/media/pci/cx18/cx18-fileops.h
@@ -29,7 +29,7 @@
void cx18_mute(struct cx18 *cx);
void cx18_unmute(struct cx18 *cx);
int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma);
-void cx18_vb_timeout(unsigned long data);
+void cx18_vb_timeout(struct timer_list *t);
/* Shared with cx18-alsa module */
int cx18_claim_stream(struct cx18_open_id *id, int type);
diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c
index 8385411..f35f78d 100644
--- a/drivers/media/pci/cx18/cx18-streams.c
+++ b/drivers/media/pci/cx18/cx18-streams.c
@@ -282,7 +282,7 @@
INIT_WORK(&s->out_work_order, cx18_out_work_handler);
INIT_LIST_HEAD(&s->vb_capture);
- setup_timer(&s->vb_timeout, cx18_vb_timeout, (unsigned long)s);
+ timer_setup(&s->vb_timeout, cx18_vb_timeout, 0);
spin_lock_init(&s->vb_lock);
if (type == CX18_ENC_STREAM_TYPE_YUV) {
spin_lock_init(&s->vbuf_q_lock);
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index 54dcac4..6b2ffdc 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -770,8 +770,7 @@
init_waitqueue_head(&itv->event_waitq);
init_waitqueue_head(&itv->vsync_waitq);
init_waitqueue_head(&itv->dma_waitq);
- setup_timer(&itv->dma_timer, ivtv_unfinished_dma,
- (unsigned long)itv);
+ timer_setup(&itv->dma_timer, ivtv_unfinished_dma, 0);
itv->cur_dma_stream = -1;
itv->cur_pio_stream = -1;
diff --git a/drivers/media/pci/ivtv/ivtv-irq.c b/drivers/media/pci/ivtv/ivtv-irq.c
index 6efe1f7..63b09bf 100644
--- a/drivers/media/pci/ivtv/ivtv-irq.c
+++ b/drivers/media/pci/ivtv/ivtv-irq.c
@@ -1074,9 +1074,9 @@
return vsync_force ? IRQ_NONE : IRQ_HANDLED;
}
-void ivtv_unfinished_dma(unsigned long arg)
+void ivtv_unfinished_dma(struct timer_list *t)
{
- struct ivtv *itv = (struct ivtv *)arg;
+ struct ivtv *itv = from_timer(itv, t, dma_timer);
if (!test_bit(IVTV_F_I_DMA, &itv->i_flags))
return;
diff --git a/drivers/media/pci/ivtv/ivtv-irq.h b/drivers/media/pci/ivtv/ivtv-irq.h
index 1e84433..bcab5f0 100644
--- a/drivers/media/pci/ivtv/ivtv-irq.h
+++ b/drivers/media/pci/ivtv/ivtv-irq.h
@@ -48,6 +48,6 @@
void ivtv_irq_work_handler(struct kthread_work *work);
void ivtv_dma_stream_dec_prepare(struct ivtv_stream *s, u32 offset, int lock);
-void ivtv_unfinished_dma(unsigned long arg);
+void ivtv_unfinished_dma(struct timer_list *t);
#endif
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 60e6cd5..11829c0 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -638,9 +638,9 @@
spin_unlock_irqrestore(&dma->lock, flags);
}
-static void netup_unidvb_dma_timeout(unsigned long data)
+static void netup_unidvb_dma_timeout(struct timer_list *t)
{
- struct netup_dma *dma = (struct netup_dma *)data;
+ struct netup_dma *dma = from_timer(dma, t, timeout);
struct netup_unidvb_dev *ndev = dma->ndev;
dev_dbg(&ndev->pci_dev->dev, "%s()\n", __func__);
@@ -664,8 +664,7 @@
spin_lock_init(&dma->lock);
INIT_WORK(&dma->work, netup_unidvb_dma_worker);
INIT_LIST_HEAD(&dma->free_buffers);
- setup_timer(&dma->timeout, netup_unidvb_dma_timeout,
- (unsigned long)dma);
+ timer_setup(&dma->timeout, netup_unidvb_dma_timeout, 0);
dma->ring_buffer_size = ndev->dma_size / 2;
dma->addr_virt = ndev->dma_virt + dma->ring_buffer_size * num;
dma->addr_phys = (dma_addr_t)((u64)ndev->dma_phys +
diff --git a/drivers/media/pci/tw686x/tw686x-core.c b/drivers/media/pci/tw686x/tw686x-core.c
index 336e2f9..c74c23c 100644
--- a/drivers/media/pci/tw686x/tw686x-core.c
+++ b/drivers/media/pci/tw686x/tw686x-core.c
@@ -126,9 +126,9 @@
* channels "too fast" which makes some TW686x devices very
* angry and freeze the CPU (see note 1).
*/
-static void tw686x_dma_delay(unsigned long data)
+static void tw686x_dma_delay(struct timer_list *t)
{
- struct tw686x_dev *dev = (struct tw686x_dev *)data;
+ struct tw686x_dev *dev = from_timer(dev, t, dma_delay_timer);
unsigned long flags;
spin_lock_irqsave(&dev->lock, flags);
@@ -325,8 +325,7 @@
goto iounmap;
}
- setup_timer(&dev->dma_delay_timer,
- tw686x_dma_delay, (unsigned long) dev);
+ timer_setup(&dev->dma_delay_timer, tw686x_dma_delay, 0);
/*
* This must be set right before initializing v4l2_dev.