From 8a73faab0a6b6c620c62f24fc991d0ad653b848b Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 12 Feb 2016 12:27:18 -0200 Subject: [PATCH] [media] zl10353: use div_u64 instead of do_div Using div_u64() instead of do_div() makes the code slightly more readable by humans. [mchehab@osg.samsung.org: originally, this patch was proposed as a bug fix for a gcc bug. This was solved already, but it is still better to use div_u64, instead of do_div, so I'm applying it, removing the comments about the gcc bug] Signed-off-by: Arnd Bergmann Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/zl10353.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb-frontends/zl10353.c b/drivers/media/dvb-frontends/zl10353.c index 1832c2f7695c..3b08176d7bec 100644 --- a/drivers/media/dvb-frontends/zl10353.c +++ b/drivers/media/dvb-frontends/zl10353.c @@ -135,8 +135,7 @@ static void zl10353_calc_nominal_rate(struct dvb_frontend *fe, value = (u64)10 * (1 << 23) / 7 * 125; value = (bw * value) + adc_clock / 2; - do_div(value, adc_clock); - *nominal_rate = value; + *nominal_rate = div_u64(value, adc_clock); dprintk("%s: bw %d, adc_clock %d => 0x%x\n", __func__, bw, adc_clock, *nominal_rate); @@ -163,8 +162,7 @@ static void zl10353_calc_input_freq(struct dvb_frontend *fe, if (ife > adc_clock / 2) ife = adc_clock - ife; } - value = (u64)65536 * ife + adc_clock / 2; - do_div(value, adc_clock); + value = div_u64((u64)65536 * ife + adc_clock / 2, adc_clock); *input_freq = -value; dprintk("%s: if2 %d, ife %d, adc_clock %d => %d / 0x%x\n", -- 2.34.1