diff options
Diffstat (limited to 'drivers/clk/at91/clk-pll.c')
| -rw-r--r-- | drivers/clk/at91/clk-pll.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c index bc504e8a95..5cb156e784 100644 --- a/drivers/clk/at91/clk-pll.c +++ b/drivers/clk/at91/clk-pll.c @@ -1,11 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <common.h> @@ -121,19 +116,11 @@ static unsigned long clk_pll_recalc_rate(struct clk *clk, unsigned long parent_rate) { struct clk_pll *pll = to_clk_pll(clk); - unsigned int pllr; - u16 mul; - u8 div; - - regmap_read(pll->regmap, PLL_REG(pll->id), &pllr); - - div = PLL_DIV(pllr); - mul = PLL_MUL(pllr, pll->layout); - if (!div || !mul) + if (!pll->div || !pll->mul) return 0; - return (parent_rate / div) * (mul + 1); + return (parent_rate / pll->div) * (pll->mul + 1); } static long clk_pll_get_best_div_mul(struct clk_pll *pll, unsigned long rate, @@ -285,7 +272,7 @@ static const struct clk_ops pll_ops = { .set_rate = clk_pll_set_rate, }; -struct clk * +struct clk * __init at91_clk_register_pll(struct regmap *regmap, const char *name, const char *parent_name, u8 id, const struct clk_pll_layout *layout, |