diff options
Diffstat (limited to 'drivers/clk/spear/clk-vco-pll.c')
| -rw-r--r-- | drivers/clk/spear/clk-vco-pll.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c index 1b9b65bca51e..723a6eb67754 100644 --- a/drivers/clk/spear/clk-vco-pll.c +++ b/drivers/clk/spear/clk-vco-pll.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. + * Viresh Kumar <vireshk@kernel.org> * * VCO-PLL clock implementation */ @@ -87,7 +84,7 @@ static long clk_pll_round_rate_index(struct clk_hw *hw, unsigned long drate, struct clk_pll *pll = to_clk_pll(hw); unsigned long prev_rate, vco_prev_rate, rate = 0; unsigned long vco_parent_rate = - __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk))); + clk_hw_get_rate(clk_hw_get_parent(clk_hw_get_parent(hw))); if (!prate) { pr_err("%s: prate is must for pll clk\n", __func__); @@ -113,12 +110,15 @@ static long clk_pll_round_rate_index(struct clk_hw *hw, unsigned long drate, return rate; } -static long clk_pll_round_rate(struct clk_hw *hw, unsigned long drate, - unsigned long *prate) +static int clk_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { int unused; - return clk_pll_round_rate_index(hw, drate, prate, &unused); + req->rate = clk_pll_round_rate_index(hw, req->rate, + &req->best_parent_rate, &unused); + + return 0; } static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, unsigned long @@ -147,7 +147,7 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long drate, struct clk_pll *pll = to_clk_pll(hw); struct pll_rate_tbl *rtbl = pll->vco->rtbl; unsigned long flags = 0, val; - int uninitialized_var(i); + int i = 0; clk_pll_round_rate_index(hw, drate, NULL, &i); @@ -165,9 +165,9 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long drate, return 0; } -static struct clk_ops clk_pll_ops = { +static const struct clk_ops clk_pll_ops = { .recalc_rate = clk_pll_recalc_rate, - .round_rate = clk_pll_round_rate, + .determine_rate = clk_pll_determine_rate, .set_rate = clk_pll_set_rate, }; @@ -179,14 +179,16 @@ static inline unsigned long vco_calc_rate(struct clk_hw *hw, return pll_calc_rate(vco->rtbl, prate, index, NULL); } -static long clk_vco_round_rate(struct clk_hw *hw, unsigned long drate, - unsigned long *prate) +static int clk_vco_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct clk_vco *vco = to_clk_vco(hw); int unused; - return clk_round_rate_index(hw, drate, *prate, vco_calc_rate, - vco->rtbl_cnt, &unused); + req->rate = clk_round_rate_index(hw, req->rate, req->best_parent_rate, + vco_calc_rate, vco->rtbl_cnt, &unused); + + return 0; } static unsigned long clk_vco_recalc_rate(struct clk_hw *hw, @@ -266,9 +268,9 @@ static int clk_vco_set_rate(struct clk_hw *hw, unsigned long drate, return 0; } -static struct clk_ops clk_vco_ops = { +static const struct clk_ops clk_vco_ops = { .recalc_rate = clk_vco_recalc_rate, - .round_rate = clk_vco_round_rate, + .determine_rate = clk_vco_determine_rate, .set_rate = clk_vco_set_rate, }; @@ -292,16 +294,12 @@ struct clk *clk_register_vco_pll(const char *vco_name, const char *pll_name, } vco = kzalloc(sizeof(*vco), GFP_KERNEL); - if (!vco) { - pr_err("could not allocate vco clk\n"); + if (!vco) return ERR_PTR(-ENOMEM); - } pll = kzalloc(sizeof(*pll), GFP_KERNEL); - if (!pll) { - pr_err("could not allocate pll clk\n"); + if (!pll) goto free_vco; - } /* struct clk_vco assignments */ vco->mode_reg = mode_reg; |
