diff options
Diffstat (limited to 'drivers/clk/bcm/clk-iproc-asiu.c')
| -rw-r--r-- | drivers/clk/bcm/clk-iproc-asiu.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/drivers/clk/bcm/clk-iproc-asiu.c b/drivers/clk/bcm/clk-iproc-asiu.c index e062dd4992ea..83ec13da9b2e 100644 --- a/drivers/clk/bcm/clk-iproc-asiu.c +++ b/drivers/clk/bcm/clk-iproc-asiu.c @@ -1,15 +1,5 @@ -/* - * Copyright (C) 2014 Broadcom Corporation - * - * 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 version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2014 Broadcom Corporation #include <linux/kernel.h> #include <linux/err.h> @@ -108,22 +98,27 @@ static unsigned long iproc_asiu_clk_recalc_rate(struct clk_hw *hw, return clk->rate; } -static long iproc_asiu_clk_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) +static int iproc_asiu_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { unsigned int div; - if (rate == 0 || *parent_rate == 0) + if (req->rate == 0 || req->best_parent_rate == 0) return -EINVAL; - if (rate == *parent_rate) - return *parent_rate; + if (req->rate == req->best_parent_rate) + return 0; - div = DIV_ROUND_CLOSEST(*parent_rate, rate); - if (div < 2) - return *parent_rate; + div = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate); + if (div < 2) { + req->rate = req->best_parent_rate; - return *parent_rate / div; + return 0; + } + + req->rate = req->best_parent_rate / div; + + return 0; } static int iproc_asiu_clk_set_rate(struct clk_hw *hw, unsigned long rate, @@ -178,7 +173,7 @@ static const struct clk_ops iproc_asiu_ops = { .enable = iproc_asiu_clk_enable, .disable = iproc_asiu_clk_disable, .recalc_rate = iproc_asiu_clk_recalc_rate, - .round_rate = iproc_asiu_clk_round_rate, + .determine_rate = iproc_asiu_clk_determine_rate, .set_rate = iproc_asiu_clk_set_rate, }; |