diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 85425ca505..5199d914ed 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -150,24 +150,24 @@ static int omap3_wdt_reset(struct udevice *dev) { struct omap3_wdt_priv *priv = dev_get_priv(dev); -/* - * Somebody just triggered watchdog reset and write to WTGR register - * is in progress. It is resetting right now, no need to trigger it - * again - */ + /* + * Somebody just triggered watchdog reset and write to WTGR register + * is in progress. It is resetting right now, no need to trigger it + * again + */ if ((readl(&priv->regs->wdtwwps)) & WDT_WWPS_PEND_WTGR) return 0; priv->wdt_trgr_pattern = ~(priv->wdt_trgr_pattern); writel(priv->wdt_trgr_pattern, &priv->regs->wdtwtgr); -/* - * Don't wait for posted write to complete, i.e. don't check - * WDT_WWPS_PEND_WTGR bit in WWPS register. There is no writes to - * WTGR register outside of this func, and if entering it - * we see WDT_WWPS_PEND_WTGR bit set, it means watchdog reset - * was just triggered. This prevents us from wasting time in busy - * polling of WDT_WWPS_PEND_WTGR bit. - */ + /* + * Don't wait for posted write to complete, i.e. don't check + * WDT_WWPS_PEND_WTGR bit in WWPS register. There is no writes to + * WTGR register outside of this func, and if entering it + * we see WDT_WWPS_PEND_WTGR bit set, it means watchdog reset + * was just triggered. This prevents us from wasting time in busy + * polling of WDT_WWPS_PEND_WTGR bit. + */ return 0; } @@ -175,7 +175,7 @@ static int omap3_wdt_stop(struct udevice *dev) { struct omap3_wdt_priv *priv = dev_get_priv(dev); -/* disable watchdog */ + /* disable watchdog */ writel(0xAAAA, &priv->regs->wdtwspr); while (readl(&priv->regs->wdtwwps) != 0x0) ; @@ -189,28 +189,28 @@ static int omap3_wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) { struct omap3_wdt_priv *priv = dev_get_priv(dev); u32 pre_margin = GET_WLDR_VAL(timeout_ms / 1000); -/* - * Make sure the watchdog is disabled. This is unfortunately required - * because writing to various registers with the watchdog running has no - * effect. - */ + /* + * Make sure the watchdog is disabled. This is unfortunately required + * because writing to various registers with the watchdog running has + * no effect. + */ omap3_wdt_stop(dev); -/* initialize prescaler */ + /* initialize prescaler */ while (readl(&priv->regs->wdtwwps) & WDT_WWPS_PEND_WCLR) ; writel(WDT_WCLR_PRE | (PTV << WDT_WCLR_PTV_OFF), &priv->regs->wdtwclr); while (readl(&priv->regs->wdtwwps) & WDT_WWPS_PEND_WCLR) ; -/* just count up at 32 KHz */ + /* just count up at 32 KHz */ while (readl(&priv->regs->wdtwwps) & WDT_WWPS_PEND_WLDR) ; writel(pre_margin, &priv->regs->wdtwldr); while (readl(&priv->regs->wdtwwps) & WDT_WWPS_PEND_WLDR) ; -/* Sequence to enable the watchdog */ + /* Sequence to enable the watchdog */ writel(0xBBBB, &priv->regs->wdtwspr); while ((readl(&priv->regs->wdtwwps)) & WDT_WWPS_PEND_WSPR) ; |