Lines Matching refs:wdev
71 static void omap_wdt_reload(struct omap_wdt_dev *wdev)
73 void __iomem *base = wdev->base;
79 wdev->wdt_trgr_pattern = ~wdev->wdt_trgr_pattern;
80 writel_relaxed(wdev->wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR));
88 static void omap_wdt_enable(struct omap_wdt_dev *wdev)
90 void __iomem *base = wdev->base;
102 static void omap_wdt_disable(struct omap_wdt_dev *wdev)
104 void __iomem *base = wdev->base;
116 static void omap_wdt_set_timer(struct omap_wdt_dev *wdev,
120 void __iomem *base = wdev->base;
133 struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog);
134 void __iomem *base = wdev->base;
136 mutex_lock(&wdev->lock);
138 wdev->omap_wdt_users = true;
140 pm_runtime_get_sync(wdev->dev);
147 omap_wdt_disable(wdev);
157 omap_wdt_set_timer(wdev, wdog->timeout);
158 omap_wdt_reload(wdev); /* trigger loading of new timeout value */
159 omap_wdt_enable(wdev);
161 mutex_unlock(&wdev->lock);
168 struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog);
170 mutex_lock(&wdev->lock);
171 omap_wdt_disable(wdev);
172 pm_runtime_put_sync(wdev->dev);
173 wdev->omap_wdt_users = false;
174 mutex_unlock(&wdev->lock);
180 struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog);
182 mutex_lock(&wdev->lock);
183 omap_wdt_reload(wdev);
184 mutex_unlock(&wdev->lock);
192 struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog);
194 mutex_lock(&wdev->lock);
195 omap_wdt_disable(wdev);
196 omap_wdt_set_timer(wdev, timeout);
197 omap_wdt_enable(wdev);
198 omap_wdt_reload(wdev);
200 mutex_unlock(&wdev->lock);
207 struct omap_wdt_dev *wdev = to_omap_wdt_dev(wdog);
208 void __iomem *base = wdev->base;
232 struct omap_wdt_dev *wdev;
235 wdev = devm_kzalloc(&pdev->dev, sizeof(*wdev), GFP_KERNEL);
236 if (!wdev)
239 wdev->omap_wdt_users = false;
240 wdev->dev = &pdev->dev;
241 wdev->wdt_trgr_pattern = 0x1234;
242 mutex_init(&wdev->lock);
245 wdev->base = devm_platform_ioremap_resource(pdev, 0);
246 if (IS_ERR(wdev->base))
247 return PTR_ERR(wdev->base);
249 wdev->wdog.info = &omap_wdt_info;
250 wdev->wdog.ops = &omap_wdt_ops;
251 wdev->wdog.min_timeout = TIMER_MARGIN_MIN;
252 wdev->wdog.max_timeout = TIMER_MARGIN_MAX;
253 wdev->wdog.timeout = TIMER_MARGIN_DEFAULT;
254 wdev->wdog.parent = &pdev->dev;
256 watchdog_init_timeout(&wdev->wdog, timer_margin, &pdev->dev);
258 watchdog_set_nowayout(&wdev->wdog, nowayout);
260 platform_set_drvdata(pdev, wdev);
262 pm_runtime_enable(wdev->dev);
263 pm_runtime_get_sync(wdev->dev);
268 wdev->wdog.bootstatus = WDIOF_CARDRESET;
272 omap_wdt_start(&wdev->wdog);
273 set_bit(WDOG_HW_RUNNING, &wdev->wdog.status);
275 omap_wdt_disable(wdev);
278 ret = watchdog_register_device(&wdev->wdog);
280 pm_runtime_put(wdev->dev);
281 pm_runtime_disable(wdev->dev);
286 readl_relaxed(wdev->base + OMAP_WATCHDOG_REV) & 0xFF,
287 wdev->wdog.timeout);
290 omap_wdt_start(&wdev->wdog);
292 pm_runtime_put(wdev->dev);
299 struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
301 mutex_lock(&wdev->lock);
302 if (wdev->omap_wdt_users) {
303 omap_wdt_disable(wdev);
304 pm_runtime_put_sync(wdev->dev);
306 mutex_unlock(&wdev->lock);
311 struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
313 pm_runtime_disable(wdev->dev);
314 watchdog_unregister_device(&wdev->wdog);
329 struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
331 mutex_lock(&wdev->lock);
332 if (wdev->omap_wdt_users) {
333 omap_wdt_disable(wdev);
334 pm_runtime_put_sync(wdev->dev);
336 mutex_unlock(&wdev->lock);
343 struct omap_wdt_dev *wdev = platform_get_drvdata(pdev);
345 mutex_lock(&wdev->lock);
346 if (wdev->omap_wdt_users) {
347 pm_runtime_get_sync(wdev->dev);
348 omap_wdt_enable(wdev);
349 omap_wdt_reload(wdev);
351 mutex_unlock(&wdev->lock);