Messages in this thread Patch in this message | | | From | Jerome Brunet <> | Subject | [PATCH 4/9] clk: meson: use frac parameter width instead of a constant | Date | Thu, 18 Jan 2018 19:45:27 +0100 |
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Use the fractional part width in the calculation instead of 12, which happens to e the witdh right now. This is safer in case the field width ever change in the future
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- drivers/clk/meson/clk-pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index fa4cec13d6e8..d9efe725b7ad 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -80,7 +80,7 @@ static unsigned long meson_clk_pll_recalc_rate(struct clk_hw *hw, reg = readl(pll->base + p->reg_off); frac = PARM_GET(p->width, p->shift, reg); - rate += (u64)parent_rate * frac >> 12; + rate += (u64)parent_rate * frac >> p->width; rate *= 2; } -- 2.14.3
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