V4L/DVB (6818): git-dvb: drivers/media/dvb/frontends/zl10353.c: avoid 64-bit divide

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c
index 091fbcc..e874ec8 100644 (file)
--- a/drivers/media/dvb/frontends/zl10353.c
+++ b/drivers/media/dvb/frontends/zl10353.c
@@ -144,7 +144,8 @@ static void zl10353_calc_nominal_rate(struct dvb_frontend *fe,
                break;
        }
 
-       value = (bw * (u64)10 * (1 << 23) / 7 * 125 + adc_clock / 2);
+       value = (u64)10 * (1 << 23) / 7 * 125;
+       value = (bw * value) + adc_clock / 2;
        do_div(value, adc_clock);
        *nominal_rate = value;