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Message-ID: <1330998862.3708.1.camel@phoenix> Date: Tue, 06 Mar 2012 09:54:22 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel@...r.kernel.org Cc: AnilKumar Ch <anilkumar@...com>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, Liam Girdwood <lrg@...com> Subject: [PATCH 1/2] regulator: tps65217: Use DIV_ROUND_UP macro to calculate selector Use DIV_ROUND_UP macro for better readability. Signed-off-by: Axel Lin <axel.lin@...il.com> --- drivers/regulator/tps65217-regulator.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 28a10ea..15f2fa0 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -82,11 +82,11 @@ static int tps65217_uv_to_vsel1(int uV, unsigned int *vsel) return -EINVAL; if (uV <= 1500000) - *vsel = (uV - 875001) / 25000; + *vsel = DIV_ROUND_UP(uV - 900000, 25000); else if (uV <= 2900000) - *vsel = 24 + (uV - 1450001) / 50000; + *vsel = 24 + DIV_ROUND_UP(uV - 1500000, 50000); else if (uV < 3300000) - *vsel = 52 + (uV - 2800001) / 100000; + *vsel = 52 + DIV_ROUND_UP(uV - 2900000, 100000); else *vsel = 56; @@ -116,11 +116,11 @@ static int tps65217_uv_to_vsel2(int uV, unsigned int *vsel) return -EINVAL; if (uV <= 1900000) - *vsel = (uV - 1450001) / 50000; + *vsel = DIV_ROUND_UP(uV - 1500000, 50000); else if (uV <= 2400000) - *vsel = 8 + (uV - 1800001) / 100000; + *vsel = 8 + DIV_ROUND_UP(uV - 1900000, 100000); else - *vsel = 13 + (uV - 2350001) / 50000; + *vsel = 13 + DIV_ROUND_UP(uV - 2400000, 50000); return 0; } -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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