diff options
Diffstat (limited to 'drivers/clk/clk-fixed-factor.c')
| -rw-r--r-- | drivers/clk/clk-fixed-factor.c | 69 |
1 files changed, 37 insertions, 32 deletions
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index 021c43339f..d2c808d40c 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * clk-fixed-factor.c - generic barebox clock support. Based on Linux clk support * * Copyright (c) 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <common.h> #include <io.h> @@ -20,25 +10,19 @@ #include <linux/clk.h> #include <linux/err.h> -struct clk_fixed_factor { - struct clk clk; - int mult; - int div; - const char *parent; -}; - -static unsigned long clk_fixed_factor_recalc_rate(struct clk *clk, +static unsigned long clk_fixed_factor_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct clk_fixed_factor *f = container_of(clk, struct clk_fixed_factor, clk); + struct clk_fixed_factor *f = to_clk_fixed_factor(hw); return (parent_rate / f->div) * f->mult; } -static long clk_factor_round_rate(struct clk *clk, unsigned long rate, +static long clk_factor_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) { - struct clk_fixed_factor *fix = container_of(clk, struct clk_fixed_factor, clk); + struct clk_fixed_factor *fix = to_clk_fixed_factor(hw); + struct clk *clk = clk_hw_to_clk(hw); if (clk->flags & CLK_SET_RATE_PARENT) { unsigned long best_parent; @@ -50,10 +34,11 @@ static long clk_factor_round_rate(struct clk *clk, unsigned long rate, return (*prate / fix->div) * fix->mult; } -static int clk_factor_set_rate(struct clk *clk, unsigned long rate, +static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct clk_fixed_factor *fix = container_of(clk, struct clk_fixed_factor, clk); + struct clk_fixed_factor *fix = to_clk_fixed_factor(hw); + struct clk *clk = clk_hw_to_clk(hw); if (clk->flags & CLK_SET_RATE_PARENT) { return clk_set_rate(clk_get_parent(clk), rate * fix->div / fix->mult); @@ -62,7 +47,7 @@ static int clk_factor_set_rate(struct clk *clk, unsigned long rate, return 0; } -static struct clk_ops clk_fixed_factor_ops = { +struct clk_ops clk_fixed_factor_ops = { .set_rate = clk_factor_set_rate, .round_rate = clk_factor_round_rate, .recalc_rate = clk_fixed_factor_recalc_rate, @@ -77,19 +62,39 @@ struct clk *clk_fixed_factor(const char *name, f->mult = mult; f->div = div; f->parent = parent; - f->clk.ops = &clk_fixed_factor_ops; - f->clk.name = name; - f->clk.flags = flags; - f->clk.parent_names = &f->parent; - f->clk.num_parents = 1; + f->hw.clk.ops = &clk_fixed_factor_ops; + f->hw.clk.name = name; + f->hw.clk.flags = flags; + f->hw.clk.parent_names = &f->parent; + f->hw.clk.num_parents = 1; - ret = clk_register(&f->clk); + ret = bclk_register(&f->hw.clk); if (ret) { free(f); return ERR_PTR(ret); } - return &f->clk; + return &f->hw.clk; +} + +struct clk *clk_register_fixed_factor(struct device *dev, const char *name, + const char *parent_name, + unsigned long flags, + unsigned int mult, unsigned int div) +{ + return clk_fixed_factor(name, parent_name, mult, div, flags); +} + +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, + const char *parent_name, + unsigned long flags, + unsigned int mult, + unsigned int div) +{ + return clk_to_clk_hw(clk_register_fixed_factor(dev, xstrdup(name), + xstrdup(parent_name), + flags, mult, div)); } /** |