drivers/watchdog/kempld_wdt.c

74 	struct kempld_device_data	*pld;
106 	struct kempld_device_data *pld = wdt_data->pld;
112 	kempld_get_mutex(pld);
113 	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
122 	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
123 	kempld_release_mutex(pld);
132 	struct kempld_device_data *pld = wdt_data->pld;
144 	stage_timeout64 = (u64)timeout * pld->pld_clock;
154 	kempld_get_mutex(pld);
155 	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
158 	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
159 	kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
161 	kempld_release_mutex(pld);
172 	struct kempld_device_data *pld = wdt_data->pld;
182 	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
183 	stage_timeout = kempld_read32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id));
187 	remainder = do_div(stage_timeout, pld->pld_clock);
258 	struct kempld_device_data *pld = wdt_data->pld;
266 	kempld_get_mutex(pld);
269 	kempld_release_mutex(pld);
282 	struct kempld_device_data *pld = wdt_data->pld;
290 	kempld_get_mutex(pld);
291 	status = kempld_read8(pld, KEMPLD_WDT_CFG);
293 	kempld_write8(pld, KEMPLD_WDT_CFG, status);
294 	status = kempld_read8(pld, KEMPLD_WDT_CFG);
295 	kempld_release_mutex(pld);
307 	struct kempld_device_data *pld = wdt_data->pld;
310 	kempld_get_mutex(pld);
311 	status = kempld_read8(pld, KEMPLD_WDT_CFG);
313 	kempld_write8(pld, KEMPLD_WDT_CFG, status);
314 	status = kempld_read8(pld, KEMPLD_WDT_CFG);
315 	kempld_release_mutex(pld);
327 	struct kempld_device_data *pld = wdt_data->pld;
329 	kempld_get_mutex(pld);
330 	kempld_write8(pld, KEMPLD_WDT_KICK, 'K');
331 	kempld_release_mutex(pld);
365 	struct kempld_device_data *pld = wdt_data->pld;
382 		kempld_get_mutex(pld);
385 			data_orig = kempld_read8(pld, index + j);
386 			kempld_write8(pld, index + j, 0x00);
387 			data = kempld_read8(pld, index + j);
391 			kempld_write8(pld, index + j, data_orig);
394 		kempld_release_mutex(pld);
401 			if (pld->feature_mask & KEMPLD_FEATURE_BIT_NMI) {
436 	struct kempld_device_data *pld = dev_get_drvdata(pdev->dev.parent);
447 	wdt_data->pld = pld;
451 	kempld_get_mutex(pld);
452 	status = kempld_read8(pld, KEMPLD_WDT_CFG);
453 	kempld_release_mutex(pld);
501 	struct kempld_device_data *pld = wdt_data->pld;
504 	kempld_get_mutex(pld);
505 	wdt_data->pm_status_store = kempld_read8(pld, KEMPLD_WDT_CFG);
506 	kempld_release_mutex(pld);