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watchdog: omap_wdt: Fix WDT coding style

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Fix obvious coding style problems, no functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Suniel Mahesh <sunil.m@techveda.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Marek Vasut 2020-01-24 05:44:25 +01:00 • committed by Lokesh Vutla
parent 11c1af60b5
commit 4dd0593398
1 changed files with 22 additions and 22 deletions
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44
drivers/watchdog/omap_wdt.c
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@ -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)
;