diff options
author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2015-11-04 01:01:40 (GMT) |
---|---|---|
committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-11-30 20:58:38 (GMT) |
commit | 0d2681e1f19162e5975b70edd0c2d1d256f38023 (patch) | |
tree | f6e8639f12177043155a4f5df7a5e833160f4c18 /drivers | |
parent | 741e96e8790cbd389d27e29bbf66de2c691fd775 (diff) | |
download | linux-0d2681e1f19162e5975b70edd0c2d1d256f38023.tar.xz |
imx/clk-pllv2: fix wrong do_div() usage
do_div() is meant to be used with an unsigned dividend.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/imx/clk-pllv2.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c index b18f875..4aeda56 100644 --- a/drivers/clk/imx/clk-pllv2.c +++ b/drivers/clk/imx/clk-pllv2.c @@ -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; @@ -98,8 +98,9 @@ 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; + 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; |