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ALSA: drivers: Convert timers to use timer_setup()

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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.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Kees Cook 2017-10-24 08:34:29 -07:00 committed by Takashi Iwai
parent 1a01901575
commit bc47ba90b0
8 changed files with 19 additions and 24 deletions
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7
sound/drivers/aloop.c
View File

@ -529,9 +529,9 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable)
return running;
}
static void loopback_timer_function(unsigned long data)
static void loopback_timer_function(struct timer_list *t)
{
struct loopback_pcm *dpcm = (struct loopback_pcm *)data;
struct loopback_pcm *dpcm = from_timer(dpcm, t, timer);
unsigned long flags;
spin_lock_irqsave(&dpcm->cable->lock, flags);
@ -675,8 +675,7 @@ static int loopback_open(struct snd_pcm_substream *substream)
}
dpcm->loopback = loopback;
dpcm->substream = substream;
setup_timer(&dpcm->timer, loopback_timer_function,
(unsigned long)dpcm);
timer_setup(&dpcm->timer, loopback_timer_function, 0);
cable = loopback->cables[substream->number][dev];
if (!cable) {

7
sound/drivers/dummy.c
View File

@ -306,9 +306,9 @@ static int dummy_systimer_prepare(struct snd_pcm_substream *substream)
return 0;
}
static void dummy_systimer_callback(unsigned long data)
static void dummy_systimer_callback(struct timer_list *t)
{
struct dummy_systimer_pcm *dpcm = (struct dummy_systimer_pcm *)data;
struct dummy_systimer_pcm *dpcm = from_timer(dpcm, t, timer);
unsigned long flags;
int elapsed = 0;
@ -343,8 +343,7 @@ static int dummy_systimer_create(struct snd_pcm_substream *substream)
if (!dpcm)
return -ENOMEM;
substream->runtime->private_data = dpcm;
setup_timer(&dpcm->timer, dummy_systimer_callback,
(unsigned long) dpcm);
timer_setup(&dpcm->timer, dummy_systimer_callback, 0);
spin_lock_init(&dpcm->lock);
dpcm->substream = substream;
return 0;

7
sound/drivers/mpu401/mpu401_uart.c
View File

@ -169,9 +169,9 @@ EXPORT_SYMBOL(snd_mpu401_uart_interrupt_tx);
* timer callback
* reprogram the timer and call the interrupt job
*/
static void snd_mpu401_uart_timer(unsigned long data)
static void snd_mpu401_uart_timer(struct timer_list *t)
{
struct snd_mpu401 *mpu = (struct snd_mpu401 *)data;
struct snd_mpu401 *mpu = from_timer(mpu, t, timer);
unsigned long flags;
spin_lock_irqsave(&mpu->timer_lock, flags);
@ -191,8 +191,7 @@ static void snd_mpu401_uart_add_timer (struct snd_mpu401 *mpu, int input)
spin_lock_irqsave (&mpu->timer_lock, flags);
if (mpu->timer_invoked == 0) {
setup_timer(&mpu->timer, snd_mpu401_uart_timer,
(unsigned long)mpu);
timer_setup(&mpu->timer, snd_mpu401_uart_timer, 0);
mod_timer(&mpu->timer, 1 + jiffies);
}
mpu->timer_invoked |= input ? MPU401_MODE_INPUT_TIMER :

7
sound/drivers/mtpav.c
View File

@ -406,10 +406,10 @@ static void snd_mtpav_input_trigger(struct snd_rawmidi_substream *substream, int
* timer interrupt for outputs
*/
static void snd_mtpav_output_timer(unsigned long data)
static void snd_mtpav_output_timer(struct timer_list *t)
{
unsigned long flags;
struct mtpav *chip = (struct mtpav *)data;
struct mtpav *chip = from_timer(chip, t, timer);
int p;
spin_lock_irqsave(&chip->spinlock, flags);
@ -707,8 +707,7 @@ static int snd_mtpav_probe(struct platform_device *dev)
mtp_card->share_irq = 0;
mtp_card->inmidistate = 0;
mtp_card->outmidihwport = 0xffffffff;
setup_timer(&mtp_card->timer, snd_mtpav_output_timer,
(unsigned long) mtp_card);
timer_setup(&mtp_card->timer, snd_mtpav_output_timer, 0);
card->private_free = snd_mtpav_free;

4
sound/drivers/opl3/opl3_midi.c
View File

@ -238,10 +238,10 @@ static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op,
/*
* System timer interrupt function
*/
void snd_opl3_timer_func(unsigned long data)
void snd_opl3_timer_func(struct timer_list *t)
{
struct snd_opl3 *opl3 = (struct snd_opl3 *)data;
struct snd_opl3 *opl3 = from_timer(opl3, t, tlist);
unsigned long flags;
int again = 0;
int i;

2
sound/drivers/opl3/opl3_seq.c
View File

@ -248,7 +248,7 @@ static int snd_opl3_seq_probe(struct device *_dev)
}
/* setup system timer */
setup_timer(&opl3->tlist, snd_opl3_timer_func, (unsigned long) opl3);
timer_setup(&opl3->tlist, snd_opl3_timer_func, 0);
spin_lock_init(&opl3->sys_timer_lock);
opl3->sys_timer_status = 0;

2
sound/drivers/opl3/opl3_voice.h
View File

@ -37,7 +37,7 @@ void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan, struct snd_midi_chann
void snd_opl3_sysex(void *p, unsigned char *buf, int len, int parsed, struct snd_midi_channel_set *chset);
void snd_opl3_calc_volume(unsigned char *reg, int vel, struct snd_midi_channel *chan);
void snd_opl3_timer_func(unsigned long data);
void snd_opl3_timer_func(struct timer_list *t);
/* Prototypes for opl3_drums.c */
void snd_opl3_load_drums(struct snd_opl3 *opl3);

7
sound/drivers/serial-u16550.c
View File

@ -309,12 +309,12 @@ static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id)
}
/* When the polling mode, this function calls snd_uart16550_io_loop. */
static void snd_uart16550_buffer_timer(unsigned long data)
static void snd_uart16550_buffer_timer(struct timer_list *t)
{
unsigned long flags;
struct snd_uart16550 *uart;
uart = (struct snd_uart16550 *)data;
uart = from_timer(uart, t, buffer_timer);
spin_lock_irqsave(&uart->open_lock, flags);
snd_uart16550_del_timer(uart);
snd_uart16550_io_loop(uart);
@ -828,8 +828,7 @@ static int snd_uart16550_create(struct snd_card *card,
uart->prev_in = 0;
uart->rstatus = 0;
memset(uart->prev_status, 0x80, sizeof(unsigned char) * SNDRV_SERIAL_MAX_OUTS);
setup_timer(&uart->buffer_timer, snd_uart16550_buffer_timer,
(unsigned long)uart);
timer_setup(&uart->buffer_timer, snd_uart16550_buffer_timer, 0);
uart->timer_running = 0;
/* Register device */