34 static void dc_wdt_set(struct dc_wdt *wdt, u32 ticks)  in dc_wdt_set()  argument
38 	spin_lock_irqsave(&wdt->lock, flags);  in dc_wdt_set()
40 	writel_relaxed(0, wdt->base + TIMER_A_CONTROL);  in dc_wdt_set()
41 	writel_relaxed(ticks, wdt->base + TIMER_A_COUNT);  in dc_wdt_set()
43 		       wdt->base + TIMER_A_CONTROL);  in dc_wdt_set()
45 	spin_unlock_irqrestore(&wdt->lock, flags);  in dc_wdt_set()
51 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);  in dc_wdt_restart()  local
53 	dc_wdt_set(wdt, 1);  in dc_wdt_restart()
62 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);  in dc_wdt_start()  local
64 	dc_wdt_set(wdt, wdog->timeout * clk_get_rate(wdt->clk));  in dc_wdt_start()
71 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);  in dc_wdt_stop()  local
73 	writel_relaxed(0, wdt->base + TIMER_A_CONTROL);  in dc_wdt_stop()
80 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);  in dc_wdt_set_timeout()  local
82 	dc_wdt_set(wdt, t * clk_get_rate(wdt->clk));  in dc_wdt_set_timeout()
90 	struct dc_wdt *wdt = watchdog_get_drvdata(wdog);  in dc_wdt_get_timeleft()  local
91 	uint32_t count = readl_relaxed(wdt->base + TIMER_A_COUNT);  in dc_wdt_get_timeleft()
93 	return count / clk_get_rate(wdt->clk);  in dc_wdt_get_timeleft()
120 	struct dc_wdt *wdt;  in dc_wdt_probe()  local
122 	wdt = devm_kzalloc(dev, sizeof(struct dc_wdt), GFP_KERNEL);  in dc_wdt_probe()
123 	if (!wdt)  in dc_wdt_probe()
126 	wdt->base = devm_platform_ioremap_resource(pdev, 0);  in dc_wdt_probe()
127 	if (IS_ERR(wdt->base))  in dc_wdt_probe()
128 		return PTR_ERR(wdt->base);  in dc_wdt_probe()
130 	wdt->clk = devm_clk_get(dev, NULL);  in dc_wdt_probe()
131 	if (IS_ERR(wdt->clk))  in dc_wdt_probe()
132 		return PTR_ERR(wdt->clk);  in dc_wdt_probe()
133 	dc_wdt_wdd.max_timeout = U32_MAX / clk_get_rate(wdt->clk);  in dc_wdt_probe()
137 	spin_lock_init(&wdt->lock);  in dc_wdt_probe()
139 	watchdog_set_drvdata(&dc_wdt_wdd, wdt);  in dc_wdt_probe()