From 829ecbcb14edea378a1409203ef0d4a68bbf795a Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 12 Mar 2012 10:12:34 +0800 Subject: mfd: Use DIV_ROUND_CLOSEST for sm501 clock Use DIV_ROUND_CLOSEST to replace sm501fb_round_div function. Signed-off-by: Axel Lin Signed-off-by: Samuel Ortiz --- drivers/mfd/sm501.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index f4d8611..d927dd4 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -387,14 +387,6 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) EXPORT_SYMBOL_GPL(sm501_unit_power); - -/* Perform a rounded division. */ -static long sm501fb_round_div(long num, long denom) -{ - /* n / d + 1 / 2 = (2n + d) / 2d */ - return (2 * num + denom) / (2 * denom); -} - /* clock value structure. */ struct sm501_clock { unsigned long mclk; @@ -428,7 +420,7 @@ static int sm501_calc_clock(unsigned long freq, /* try all 8 shift values.*/ for (shift = 0; shift < 8; shift++) { /* Calculate difference to requested clock */ - diff = sm501fb_round_div(mclk, divider << shift) - freq; + diff = DIV_ROUND_CLOSEST(mclk, divider << shift) - freq; if (diff < 0) diff = -diff; -- cgit v1.1