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Commit 1c1b2434 authored by Wolfram Sang's avatar Wolfram Sang Committed by Wim Van Sebroeck
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watchdog: renesas_wdt: don't round closest with get_timeleft 



We should never return more time left than there actually is. So, switch
to a plain divider instead of DIV_ROUND_CLOSEST.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent b51247c8

drivers/watchdog/renesas_wdt.c

+1 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ static unsigned int rwdt_get_timeleft(struct watchdog_device *wdev) 
	struct rwdt_priv *priv = watchdog_get_drvdata(wdev);

	u16 val = readw_relaxed(priv->base + RWTCNT);



	return DIV_ROUND_CLOSEST(65536 - val, priv->clks_per_sec);

	return (65536 - val) / priv->clks_per_sec;

}



static const struct watchdog_info rwdt_ident = {