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tegra/clk-divider: fix wrong do_div() usage
author
Nicolas Pitre
<nicolas.pitre@linaro.org>
Wed, 4 Nov 2015 02:49:15 +0000
(21:49 -0500)
committer
Nicolas Pitre
<nicolas.pitre@linaro.org>
Mon, 16 Nov 2015 17:37:55 +0000
(12:37 -0500)
do_div() is meant to be used with an unsigned dividend.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
drivers/clk/tegra/clk-divider.c
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diff --git
a/drivers/clk/tegra/clk-divider.c
b/drivers/clk/tegra/clk-divider.c
index
48c83ef
..
16e0aee
100644
(file)
--- a/
drivers/clk/tegra/clk-divider.c
+++ b/
drivers/clk/tegra/clk-divider.c
@@
-32,7
+32,7
@@
static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate,
unsigned long parent_rate)
{
-
s
64 divider_ux1 = parent_rate;
+
u
64 divider_ux1 = parent_rate;
u8 flags = divider->flags;
int mul;
@@
-54,7
+54,7
@@
static int get_div(struct tegra_clk_frac_div *divider, unsigned long rate,
divider_ux1 -= mul;
- if (divider_ux1 < 0)
+ if (
(s64)
divider_ux1 < 0)
return 0;
if (divider_ux1 > get_max_div(divider))