diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2017-09-01 04:37:54 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-09-23 07:34:48 -0400 |
commit | 805f23af6fc44138983ea92aee73419910d51563 (patch) | |
tree | 94aad7122be980594f979491f739bf6f3513f91c /drivers | |
parent | 845d6524d69b40bd6abd61dc1264a8657159aa55 (diff) | |
download | linux-805f23af6fc44138983ea92aee73419910d51563.tar.gz linux-805f23af6fc44138983ea92aee73419910d51563.tar.bz2 linux-805f23af6fc44138983ea92aee73419910d51563.zip |
media: cec-pin.c: use proper ktime accessor functions
Use ktime_to_ns/ns_to_ktime. This makes it possible to work with older kernels
and the media_build compatibility system.
For the mainline kernel these functions are NOPs.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/cec/cec-pin.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/drivers/media/cec/cec-pin.c b/drivers/media/cec/cec-pin.c index c003b8eac617..e2aa5d6e619d 100644 --- a/drivers/media/cec/cec-pin.c +++ b/drivers/media/cec/cec-pin.c @@ -132,7 +132,7 @@ static void cec_pin_to_idle(struct cec_pin *pin) pin->rx_msg.len = 0; memset(pin->rx_msg.msg, 0, sizeof(pin->rx_msg.msg)); pin->state = CEC_ST_IDLE; - pin->ts = 0; + pin->ts = ns_to_ktime(0); } /* @@ -426,7 +426,7 @@ static void cec_pin_rx_states(struct cec_pin *pin, ktime_t ts) v = cec_pin_read(pin); if (v && pin->rx_eom) { pin->work_rx_msg = pin->rx_msg; - pin->work_rx_msg.rx_ts = ts; + pin->work_rx_msg.rx_ts = ktime_to_ns(ts); wake_up_interruptible(&pin->kthread_waitq); pin->ts = ts; pin->state = CEC_ST_RX_ACK_FINISH; @@ -457,7 +457,7 @@ static enum hrtimer_restart cec_pin_timer(struct hrtimer *timer) s32 delta; ts = ktime_get(); - if (pin->timer_ts) { + if (ktime_to_ns(pin->timer_ts)) { delta = ktime_us_delta(ts, pin->timer_ts); pin->timer_cnt++; if (delta > 100 && pin->state != CEC_ST_IDLE) { @@ -481,17 +481,19 @@ static enum hrtimer_restart cec_pin_timer(struct hrtimer *timer) if (pin->wait_usecs > 150) { pin->wait_usecs -= 100; pin->timer_ts = ktime_add_us(ts, 100); - hrtimer_forward_now(timer, 100000); + hrtimer_forward_now(timer, ns_to_ktime(100000)); return HRTIMER_RESTART; } if (pin->wait_usecs > 100) { pin->wait_usecs /= 2; pin->timer_ts = ktime_add_us(ts, pin->wait_usecs); - hrtimer_forward_now(timer, pin->wait_usecs * 1000); + hrtimer_forward_now(timer, + ns_to_ktime(pin->wait_usecs * 1000)); return HRTIMER_RESTART; } pin->timer_ts = ktime_add_us(ts, pin->wait_usecs); - hrtimer_forward_now(timer, pin->wait_usecs * 1000); + hrtimer_forward_now(timer, + ns_to_ktime(pin->wait_usecs * 1000)); pin->wait_usecs = 0; return HRTIMER_RESTART; } @@ -531,7 +533,7 @@ static enum hrtimer_restart cec_pin_timer(struct hrtimer *timer) pin->state = CEC_ST_RX_START_BIT_LOW; break; } - if (pin->ts == 0) + if (ktime_to_ns(pin->ts) == 0) pin->ts = ts; if (pin->tx_msg.len) { /* @@ -572,12 +574,13 @@ static enum hrtimer_restart cec_pin_timer(struct hrtimer *timer) if (!adap->monitor_pin_cnt || states[pin->state].usecs <= 150) { pin->wait_usecs = 0; pin->timer_ts = ktime_add_us(ts, states[pin->state].usecs); - hrtimer_forward_now(timer, states[pin->state].usecs * 1000); + hrtimer_forward_now(timer, + ns_to_ktime(states[pin->state].usecs * 1000)); return HRTIMER_RESTART; } pin->wait_usecs = states[pin->state].usecs - 100; pin->timer_ts = ktime_add_us(ts, 100); - hrtimer_forward_now(timer, 100000); + hrtimer_forward_now(timer, ns_to_ktime(100000)); return HRTIMER_RESTART; } @@ -596,7 +599,7 @@ static int cec_pin_thread_func(void *_adap) if (pin->work_rx_msg.len) { cec_received_msg_ts(adap, &pin->work_rx_msg, - pin->work_rx_msg.rx_ts); + ns_to_ktime(pin->work_rx_msg.rx_ts)); pin->work_rx_msg.len = 0; } if (pin->work_tx_status) { @@ -623,13 +626,15 @@ static int cec_pin_thread_func(void *_adap) pin->ops->disable_irq(adap); cec_pin_high(pin); cec_pin_to_idle(pin); - hrtimer_start(&pin->timer, 0, HRTIMER_MODE_REL); + hrtimer_start(&pin->timer, ns_to_ktime(0), + HRTIMER_MODE_REL); break; case CEC_PIN_IRQ_ENABLE: pin->enable_irq_failed = !pin->ops->enable_irq(adap); if (pin->enable_irq_failed) { cec_pin_to_idle(pin); - hrtimer_start(&pin->timer, 0, HRTIMER_MODE_REL); + hrtimer_start(&pin->timer, ns_to_ktime(0), + HRTIMER_MODE_REL); } break; default: @@ -653,7 +658,7 @@ static int cec_pin_adap_enable(struct cec_adapter *adap, bool enable) cec_pin_read(pin); cec_pin_to_idle(pin); pin->tx_msg.len = 0; - pin->timer_ts = 0; + pin->timer_ts = ns_to_ktime(0); atomic_set(&pin->work_irq_change, CEC_PIN_IRQ_UNCHANGED); pin->kthread = kthread_run(cec_pin_thread_func, adap, "cec-pin"); @@ -661,7 +666,8 @@ static int cec_pin_adap_enable(struct cec_adapter *adap, bool enable) pr_err("cec-pin: kernel_thread() failed\n"); return PTR_ERR(pin->kthread); } - hrtimer_start(&pin->timer, 0, HRTIMER_MODE_REL); + hrtimer_start(&pin->timer, ns_to_ktime(0), + HRTIMER_MODE_REL); } else { if (pin->ops->disable_irq) pin->ops->disable_irq(adap); @@ -699,7 +705,8 @@ static int cec_pin_adap_transmit(struct cec_adapter *adap, u8 attempts, pin->ops->disable_irq(adap); cec_pin_high(pin); cec_pin_to_idle(pin); - hrtimer_start(&pin->timer, 0, HRTIMER_MODE_REL); + hrtimer_start(&pin->timer, ns_to_ktime(0), + HRTIMER_MODE_REL); } return 0; } |