diff options
Diffstat (limited to 'drivers/clk/at91')
| -rw-r--r-- | drivers/clk/at91/clk-pll.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c index a1adcf186023..6ec79dbc0840 100644 --- a/drivers/clk/at91/clk-pll.c +++ b/drivers/clk/at91/clk-pll.c @@ -151,16 +151,11 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct clk_pll *pll = to_clk_pll(hw); - const struct clk_pll_layout *layout = pll->layout; - struct at91_pmc *pmc = pll->pmc; - int offset = PLL_REG(pll->id); - u32 tmp = pmc_read(pmc, offset) & layout->pllr_mask; - u8 div = PLL_DIV(tmp); - u16 mul = PLL_MUL(tmp, layout); - if (!div || !mul) + + if (!pll->div || !pll->mul) return 0; - return (parent_rate * (mul + 1)) / div; + return (parent_rate / pll->div) * (pll->mul + 1); } static long clk_pll_get_best_div_mul(struct clk_pll *pll, unsigned long rate, |