diff options
| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2015-11-03 19:46:23 -0500 |
|---|---|---|
| committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2015-11-16 12:37:54 -0500 |
| commit | 6a0078c8520697ab3e32180ede2df35e7630d94b (patch) | |
| tree | 3e19516a86647fb09cf888ebc2922e6325e86c8a /drivers | |
| parent | 8cb87c0407cb55277d8b9aa50f0e29201b90a88d (diff) | |
imx/clk-pllv1: fix wrong do_div() usage
do_div() is meant to be used with an unsigned dividend.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/imx/clk-pllv1.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/clk/imx/clk-pllv1.c b/drivers/clk/imx/clk-pllv1.c index 8564e4342c7d..82fe3662b5f6 100644 --- a/drivers/clk/imx/clk-pllv1.c +++ b/drivers/clk/imx/clk-pllv1.c @@ -52,7 +52,7 @@ static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct clk_pllv1 *pll = to_clk_pllv1(hw); - long long ll; + unsigned long long ull; int mfn_abs; unsigned int mfi, mfn, mfd, pd; u32 reg; @@ -94,16 +94,16 @@ static unsigned long clk_pllv1_recalc_rate(struct clk_hw *hw, rate = parent_rate * 2; rate /= pd + 1; - ll = (unsigned long long)rate * mfn_abs; + ull = (unsigned long long)rate * mfn_abs; - do_div(ll, mfd + 1); + do_div(ull, mfd + 1); if (mfn_is_negative(pll, mfn)) - ll = -ll; + ull = (rate * mfi) - ull; + else + ull = (rate * mfi) + ull; - ll = (rate * mfi) + ll; - - return ll; + return ull; } static struct clk_ops clk_pllv1_ops = { |