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ALSA: drivers: 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. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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1a01901575
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bc47ba90b0
@ -529,9 +529,9 @@ static unsigned int loopback_pos_update(struct loopback_cable *cable)
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return running;
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}
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static void loopback_timer_function(unsigned long data)
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static void loopback_timer_function(struct timer_list *t)
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{
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struct loopback_pcm *dpcm = (struct loopback_pcm *)data;
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struct loopback_pcm *dpcm = from_timer(dpcm, t, timer);
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unsigned long flags;
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spin_lock_irqsave(&dpcm->cable->lock, flags);
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@ -675,8 +675,7 @@ static int loopback_open(struct snd_pcm_substream *substream)
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}
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dpcm->loopback = loopback;
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dpcm->substream = substream;
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setup_timer(&dpcm->timer, loopback_timer_function,
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(unsigned long)dpcm);
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timer_setup(&dpcm->timer, loopback_timer_function, 0);
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cable = loopback->cables[substream->number][dev];
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if (!cable) {
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@ -306,9 +306,9 @@ static int dummy_systimer_prepare(struct snd_pcm_substream *substream)
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return 0;
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}
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static void dummy_systimer_callback(unsigned long data)
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static void dummy_systimer_callback(struct timer_list *t)
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{
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struct dummy_systimer_pcm *dpcm = (struct dummy_systimer_pcm *)data;
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struct dummy_systimer_pcm *dpcm = from_timer(dpcm, t, timer);
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unsigned long flags;
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int elapsed = 0;
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@ -343,8 +343,7 @@ static int dummy_systimer_create(struct snd_pcm_substream *substream)
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if (!dpcm)
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return -ENOMEM;
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substream->runtime->private_data = dpcm;
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setup_timer(&dpcm->timer, dummy_systimer_callback,
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(unsigned long) dpcm);
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timer_setup(&dpcm->timer, dummy_systimer_callback, 0);
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spin_lock_init(&dpcm->lock);
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dpcm->substream = substream;
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return 0;
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@ -169,9 +169,9 @@ EXPORT_SYMBOL(snd_mpu401_uart_interrupt_tx);
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* timer callback
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* reprogram the timer and call the interrupt job
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*/
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static void snd_mpu401_uart_timer(unsigned long data)
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static void snd_mpu401_uart_timer(struct timer_list *t)
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{
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struct snd_mpu401 *mpu = (struct snd_mpu401 *)data;
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struct snd_mpu401 *mpu = from_timer(mpu, t, timer);
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unsigned long flags;
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spin_lock_irqsave(&mpu->timer_lock, flags);
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@ -191,8 +191,7 @@ static void snd_mpu401_uart_add_timer (struct snd_mpu401 *mpu, int input)
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spin_lock_irqsave (&mpu->timer_lock, flags);
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if (mpu->timer_invoked == 0) {
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setup_timer(&mpu->timer, snd_mpu401_uart_timer,
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(unsigned long)mpu);
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timer_setup(&mpu->timer, snd_mpu401_uart_timer, 0);
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mod_timer(&mpu->timer, 1 + jiffies);
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}
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mpu->timer_invoked |= input ? MPU401_MODE_INPUT_TIMER :
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@ -406,10 +406,10 @@ static void snd_mtpav_input_trigger(struct snd_rawmidi_substream *substream, int
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* timer interrupt for outputs
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*/
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static void snd_mtpav_output_timer(unsigned long data)
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static void snd_mtpav_output_timer(struct timer_list *t)
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{
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unsigned long flags;
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struct mtpav *chip = (struct mtpav *)data;
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struct mtpav *chip = from_timer(chip, t, timer);
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int p;
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spin_lock_irqsave(&chip->spinlock, flags);
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@ -707,8 +707,7 @@ static int snd_mtpav_probe(struct platform_device *dev)
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mtp_card->share_irq = 0;
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mtp_card->inmidistate = 0;
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mtp_card->outmidihwport = 0xffffffff;
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setup_timer(&mtp_card->timer, snd_mtpav_output_timer,
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(unsigned long) mtp_card);
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timer_setup(&mtp_card->timer, snd_mtpav_output_timer, 0);
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card->private_free = snd_mtpav_free;
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@ -238,10 +238,10 @@ static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op,
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/*
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* System timer interrupt function
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*/
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void snd_opl3_timer_func(unsigned long data)
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void snd_opl3_timer_func(struct timer_list *t)
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{
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struct snd_opl3 *opl3 = (struct snd_opl3 *)data;
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struct snd_opl3 *opl3 = from_timer(opl3, t, tlist);
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unsigned long flags;
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int again = 0;
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int i;
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@ -248,7 +248,7 @@ static int snd_opl3_seq_probe(struct device *_dev)
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}
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/* setup system timer */
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setup_timer(&opl3->tlist, snd_opl3_timer_func, (unsigned long) opl3);
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timer_setup(&opl3->tlist, snd_opl3_timer_func, 0);
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spin_lock_init(&opl3->sys_timer_lock);
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opl3->sys_timer_status = 0;
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@ -37,7 +37,7 @@ void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan, struct snd_midi_chann
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void snd_opl3_sysex(void *p, unsigned char *buf, int len, int parsed, struct snd_midi_channel_set *chset);
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void snd_opl3_calc_volume(unsigned char *reg, int vel, struct snd_midi_channel *chan);
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void snd_opl3_timer_func(unsigned long data);
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void snd_opl3_timer_func(struct timer_list *t);
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/* Prototypes for opl3_drums.c */
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void snd_opl3_load_drums(struct snd_opl3 *opl3);
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@ -309,12 +309,12 @@ static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id)
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}
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/* When the polling mode, this function calls snd_uart16550_io_loop. */
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static void snd_uart16550_buffer_timer(unsigned long data)
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static void snd_uart16550_buffer_timer(struct timer_list *t)
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{
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unsigned long flags;
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struct snd_uart16550 *uart;
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uart = (struct snd_uart16550 *)data;
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uart = from_timer(uart, t, buffer_timer);
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spin_lock_irqsave(&uart->open_lock, flags);
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snd_uart16550_del_timer(uart);
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snd_uart16550_io_loop(uart);
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@ -828,8 +828,7 @@ static int snd_uart16550_create(struct snd_card *card,
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uart->prev_in = 0;
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uart->rstatus = 0;
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memset(uart->prev_status, 0x80, sizeof(unsigned char) * SNDRV_SERIAL_MAX_OUTS);
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setup_timer(&uart->buffer_timer, snd_uart16550_buffer_timer,
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(unsigned long)uart);
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timer_setup(&uart->buffer_timer, snd_uart16550_buffer_timer, 0);
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uart->timer_running = 0;
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/* Register device */
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