diff options
Diffstat (limited to 'drivers/clk/axs10x/pll_clock.c')
| -rw-r--r-- | drivers/clk/axs10x/pll_clock.c | 39 |
1 files changed, 14 insertions, 25 deletions
diff --git a/drivers/clk/axs10x/pll_clock.c b/drivers/clk/axs10x/pll_clock.c index c68dada97316..c7ca473ee76c 100644 --- a/drivers/clk/axs10x/pll_clock.c +++ b/drivers/clk/axs10x/pll_clock.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Synopsys AXS10X SDP Generic PLL clock driver * * Copyright (C) 2017 Synopsys - * - * 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. */ #include <linux/platform_device.h> @@ -14,10 +11,10 @@ #include <linux/delay.h> #include <linux/err.h> #include <linux/device.h> +#include <linux/io.h> +#include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include <linux/slab.h> -#include <linux/of.h> /* PLL registers addresses */ #define PLL_REG_IDIV 0x0 @@ -152,8 +149,8 @@ static unsigned long axs10x_pll_recalc_rate(struct clk_hw *hw, return rate; } -static long axs10x_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int axs10x_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { int i; long best_rate; @@ -166,11 +163,13 @@ static long axs10x_pll_round_rate(struct clk_hw *hw, unsigned long rate, best_rate = pll_cfg[0].rate; for (i = 1; pll_cfg[i].rate != 0; i++) { - if (abs(rate - pll_cfg[i].rate) < abs(rate - best_rate)) + if (abs(req->rate - pll_cfg[i].rate) < abs(req->rate - best_rate)) best_rate = pll_cfg[i].rate; } - return best_rate; + req->rate = best_rate; + + return 0; } static int axs10x_pll_set_rate(struct clk_hw *hw, unsigned long rate, @@ -211,7 +210,7 @@ static int axs10x_pll_set_rate(struct clk_hw *hw, unsigned long rate, static const struct clk_ops axs10x_pll_ops = { .recalc_rate = axs10x_pll_recalc_rate, - .round_rate = axs10x_pll_round_rate, + .determine_rate = axs10x_pll_determine_rate, .set_rate = axs10x_pll_set_rate, }; @@ -220,7 +219,6 @@ static int axs10x_pll_clk_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; const char *parent_name; struct axs10x_pll_clk *pll_clk; - struct resource *mem; struct clk_init_data init = { }; int ret; @@ -228,13 +226,11 @@ static int axs10x_pll_clk_probe(struct platform_device *pdev) if (!pll_clk) return -ENOMEM; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - pll_clk->base = devm_ioremap_resource(dev, mem); + pll_clk->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(pll_clk->base)) return PTR_ERR(pll_clk->base); - mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); - pll_clk->lock = devm_ioremap_resource(dev, mem); + pll_clk->lock = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(pll_clk->lock)) return PTR_ERR(pll_clk->lock); @@ -258,14 +254,8 @@ static int axs10x_pll_clk_probe(struct platform_device *pdev) return ret; } - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get, - &pll_clk->hw); -} - -static int axs10x_pll_clk_remove(struct platform_device *pdev) -{ - of_clk_del_provider(pdev->dev.of_node); - return 0; + return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, + &pll_clk->hw); } static void __init of_axs10x_pll_clk_setup(struct device_node *node) @@ -337,7 +327,6 @@ static struct platform_driver axs10x_pll_clk_driver = { .of_match_table = axs10x_pll_clk_id, }, .probe = axs10x_pll_clk_probe, - .remove = axs10x_pll_clk_remove, }; builtin_platform_driver(axs10x_pll_clk_driver); |