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(parent: 4895084) | patch
clk: fixed-factor: round_rate should use do_div
authorHaojian Zhuang <haojian.zhuang@gmail.com>
Mon, 3 Dec 2012 08:14:37 +0000 (16:14 +0800)
committerMike Turquette <mturquette@linaro.org>
Sat, 12 Jan 2013 02:43:27 +0000 (18:43 -0800)
commitbab53301c3846ae9a5e1142dca2976f434f70481
tree2d872a2a8fc40d6f4975ee153f8d76f227d7813atree | snapshot (tar.gz zip)
parent4895084c87ab0973308021d755596798160b682acommit | diff
clk: fixed-factor: round_rate should use do_div

clk->rate = parent->rate / div * mult

The formula is OK. But it may overflow while we do operate with
unsigned long. So use do_div instead.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved $SUBJECT]
drivers/clk/clk-fixed-factor.c diff | blob | blame | history