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ARM: OMAP2+: clock/dpll: fix _dpll_test_fint arithmetics overflow

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The divider value provided to the _dpll_test_fint can reach value of
256 with J type DPLLs (USB etc.), which causes an overflow with the u8
datatype. Fix this by changing the parameter to be an int instead.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
[paul@pwsan.com: changed type of 'n' to unsigned int]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Tero Kristo 2014-07-02 11:47:35 +03:00 • committed by Paul Walmsley
parent d904b38df0
commit 6340c8720c
1 changed files with 1 additions and 1 deletions
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arch/arm/mach-omap2/clkt_dpll.c
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@ -76,7 +76,7 @@
* (assuming that it is counting N upwards), or -2 if the enclosing loop * (assuming that it is counting N upwards), or -2 if the enclosing loop
* should skip to the next iteration (again assuming N is increasing). * should skip to the next iteration (again assuming N is increasing).
*/ */
static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) static int _dpll_test_fint(struct clk_hw_omap *clk, unsigned int n)
{ {
struct dpll_data *dd; struct dpll_data *dd;
long fint, fint_min, fint_max; long fint, fint_min, fint_max;