Lines Matching refs:data
97 struct ltc2952_poweroff *data = to_ltc2952(timer, timer_wde);
99 if (data->kernel_panic)
102 state = gpiod_get_value(data->gpio_watchdog);
103 gpiod_set_value(data->gpio_watchdog, !state);
106 hrtimer_forward(timer, now, data->wde_interval);
111 static void ltc2952_poweroff_start_wde(struct ltc2952_poweroff *data)
113 hrtimer_start(&data->timer_wde, data->wde_interval, HRTIMER_MODE_REL);
119 struct ltc2952_poweroff *data = to_ltc2952(timer, timer_trigger);
121 ltc2952_poweroff_start_wde(data);
122 dev_info(data->dev, "executing shutdown\n");
135 * @dev_id: pointer to the main data structure
139 struct ltc2952_poweroff *data = dev_id;
141 if (data->kernel_panic || hrtimer_active(&data->timer_wde)) {
146 if (gpiod_get_value(data->gpio_trigger)) {
147 hrtimer_start(&data->timer_trigger, data->trigger_delay,
150 hrtimer_cancel(&data->timer_trigger);
160 static void ltc2952_poweroff_default(struct ltc2952_poweroff *data)
162 data->wde_interval = 300L * NSEC_PER_MSEC;
163 data->trigger_delay = ktime_set(2, 500L * NSEC_PER_MSEC);
165 hrtimer_init(&data->timer_trigger, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
166 data->timer_trigger.function = ltc2952_poweroff_timer_trigger;
168 hrtimer_init(&data->timer_wde, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
169 data->timer_wde.function = ltc2952_poweroff_timer_wde;
175 struct ltc2952_poweroff *data = platform_get_drvdata(pdev);
177 ltc2952_poweroff_default(data);
179 data->gpio_watchdog = devm_gpiod_get(&pdev->dev, "watchdog",
181 if (IS_ERR(data->gpio_watchdog)) {
182 ret = PTR_ERR(data->gpio_watchdog);
187 data->gpio_kill = devm_gpiod_get(&pdev->dev, "kill", GPIOD_OUT_LOW);
188 if (IS_ERR(data->gpio_kill)) {
189 ret = PTR_ERR(data->gpio_kill);
194 data->gpio_trigger = devm_gpiod_get_optional(&pdev->dev, "trigger",
196 if (IS_ERR(data->gpio_trigger)) {
203 data->gpio_trigger = NULL;
206 if (devm_request_irq(&pdev->dev, gpiod_to_irq(data->gpio_trigger),
210 data)) {
226 if (data->gpio_trigger) {
229 devm_gpiod_put(&pdev->dev, data->gpio_trigger);
230 data->gpio_trigger = NULL;
234 ltc2952_poweroff_start_wde(data);
243 struct ltc2952_poweroff *data = to_ltc2952(nb, panic_notifier);
245 data->kernel_panic = true;
252 struct ltc2952_poweroff *data;
259 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
260 if (!data)
263 data->dev = &pdev->dev;
264 platform_set_drvdata(pdev, data);
271 ltc2952_data = data;
274 data->panic_notifier.notifier_call = ltc2952_poweroff_notify_panic;
276 &data->panic_notifier);
284 struct ltc2952_poweroff *data = platform_get_drvdata(pdev);
287 hrtimer_cancel(&data->timer_trigger);
288 hrtimer_cancel(&data->timer_wde);
290 &data->panic_notifier);