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Merge tag 'metag-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan...
[cascardo/linux.git]
/
drivers
/
clk
/
clk-fractional-divider.c
diff --git
a/drivers/clk/clk-fractional-divider.c
b/drivers/clk/clk-fractional-divider.c
index
82a59d0
..
6aa72d9
100644
(file)
--- a/
drivers/clk/clk-fractional-divider.c
+++ b/
drivers/clk/clk-fractional-divider.c
@@
-36,6
+36,9
@@
static unsigned long clk_fd_recalc_rate(struct clk_hw *hw,
m = (val & fd->mmask) >> fd->mshift;
n = (val & fd->nmask) >> fd->nshift;
+ if (!n || !m)
+ return parent_rate;
+
ret = (u64)parent_rate * m;
do_div(ret, n);