diff options
Diffstat (limited to 'drivers/clk/qcom/clk-rcg.c')
| -rw-r--r-- | drivers/clk/qcom/clk-rcg.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c index 67ce7c146a6a..31f0650b48ba 100644 --- a/drivers/clk/qcom/clk-rcg.c +++ b/drivers/clk/qcom/clk-rcg.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2013, The Linux Foundation. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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 <linux/kernel.h> @@ -431,7 +423,7 @@ static int _freq_tbl_determine_rate(struct clk_hw *hw, const struct freq_tbl *f, rate = tmp; } } else { - rate = clk_hw_get_rate(p); + rate = clk_hw_get_rate(p); } req->best_parent_hw = p; req->best_parent_rate = rate; @@ -534,6 +526,19 @@ static int clk_rcg_set_rate(struct clk_hw *hw, unsigned long rate, return __clk_rcg_set_rate(rcg, f); } +static int clk_rcg_set_floor_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_rcg *rcg = to_clk_rcg(hw); + const struct freq_tbl *f; + + f = qcom_find_freq_floor(rcg->freq_tbl, rate); + if (!f) + return -EINVAL; + + return __clk_rcg_set_rate(rcg, f); +} + static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -592,6 +597,7 @@ struct frac_entry { }; static const struct frac_entry pixel_table[] = { + { 1, 1 }, { 1, 2 }, { 1, 3 }, { 3, 16 }, @@ -824,6 +830,17 @@ const struct clk_ops clk_rcg_ops = { }; EXPORT_SYMBOL_GPL(clk_rcg_ops); +const struct clk_ops clk_rcg_floor_ops = { + .enable = clk_enable_regmap, + .disable = clk_disable_regmap, + .get_parent = clk_rcg_get_parent, + .set_parent = clk_rcg_set_parent, + .recalc_rate = clk_rcg_recalc_rate, + .determine_rate = clk_rcg_determine_rate, + .set_rate = clk_rcg_set_floor_rate, +}; +EXPORT_SYMBOL_GPL(clk_rcg_floor_ops); + const struct clk_ops clk_rcg_bypass_ops = { .enable = clk_enable_regmap, .disable = clk_disable_regmap, |