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Commit 0d2681e1 authored by Nicolas Pitre's avatar Nicolas Pitre Committed by Stephen Boyd
Browse files

imx/clk-pllv2: fix wrong do_div() usage 



do_div() is meant to be used with an unsigned dividend.

Signed-off-by: default avatarNicolas Pitre <nico@linaro.org>
Acked-by: default avatarShawn Guo <shawnguo@kernel.org>
Signed-off-by: default avatarStephen Boyd <sboyd@codeaurora.org>
parent 741e96e8

drivers/clk/imx/clk-pllv2.c

+5 −4
Original line number Diff line number Diff line
@@ -79,7 +79,7 @@ static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate, 
{

	long mfi, mfn, mfd, pdf, ref_clk;

	unsigned long dbl;

	s64 temp;

	u64 temp;



	dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
@@ -98,7 +98,8 @@ static unsigned long __clk_pllv2_recalc_rate(unsigned long parent_rate, 
	temp = (u64) ref_clk * abs(mfn);

	do_div(temp, mfd + 1);

	if (mfn < 0)

		temp = -temp;

		temp = (ref_clk * mfi) - temp;

	else

		temp = (ref_clk * mfi) + temp;



	return temp;
@@ -126,7 +127,7 @@ static int __clk_pllv2_set_rate(unsigned long rate, unsigned long parent_rate, 
{

	u32 reg;

	long mfi, pdf, mfn, mfd = 999999;

	s64 temp64;

	u64 temp64;

	unsigned long quad_parent_rate;



	quad_parent_rate = 4 * parent_rate;