watchdog: orion: Remove unneeded atomic access

[deliverable/linux.git] / drivers / watchdog / orion_wdt.c

diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index 75f623f5e6c3fea30cbe1257a54b17aaed3645df..365d6cc53074fc153f21a6fbcbbce79b5b613578 100644 (file)
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -145,6 +145,7 @@ static int orion_wdt_ping(struct watchdog_device *wdt_dev)
 static int armada370_start(struct watchdog_device *wdt_dev)
 {
        struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev);
+       u32 reg;
 
        /* Set watchdog duration */
        writel(dev->clk_rate * wdt_dev->timeout,
@@ -157,8 +158,10 @@ static int armada370_start(struct watchdog_device *wdt_dev)
        atomic_io_modify(dev->reg + TIMER_CTRL, dev->data->wdt_enable_bit,
                                                dev->data->wdt_enable_bit);
 
-       atomic_io_modify(dev->rstout, dev->data->rstout_enable_bit,
-                                     dev->data->rstout_enable_bit);
+       /* Enable reset on watchdog */
+       reg = readl(dev->rstout);
+       reg |= dev->data->rstout_enable_bit;
+       writel(reg, dev->rstout);
        return 0;
 }