diff options
Diffstat (limited to 'drivers/clk/sunxi/clk-sun9i-core.c')
| -rw-r--r-- | drivers/clk/sunxi/clk-sun9i-core.c | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/drivers/clk/sunxi/clk-sun9i-core.c b/drivers/clk/sunxi/clk-sun9i-core.c index 43f014f85803..d93c7a53c6c0 100644 --- a/drivers/clk/sunxi/clk-sun9i-core.c +++ b/drivers/clk/sunxi/clk-sun9i-core.c @@ -1,21 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2014 Chen-Yu Tsai * * Chen-Yu Tsai <wens@csie.org> - * - * 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 <linux/clk.h> -#include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> @@ -24,7 +14,7 @@ #include "clk-factors.h" -/** +/* * sun9i_a80_get_pll4_factors() - calculates n, p, m factors for PLL4 * PLL4 rate is calculated as follows * rate = (parent_rate * n >> p) / (m + 1); @@ -89,8 +79,8 @@ static void __init sun9i_a80_pll4_setup(struct device_node *node) reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { - pr_err("Could not get registers for a80-pll4-clk: %s\n", - node->name); + pr_err("Could not get registers for a80-pll4-clk: %pOFn\n", + node); return; } @@ -100,7 +90,7 @@ static void __init sun9i_a80_pll4_setup(struct device_node *node) CLK_OF_DECLARE(sun9i_a80_pll4, "allwinner,sun9i-a80-pll4-clk", sun9i_a80_pll4_setup); -/** +/* * sun9i_a80_get_gt_factors() - calculates m factor for GT * GT rate is calculated as follows * rate = parent_rate / (m + 1); @@ -140,26 +130,22 @@ static DEFINE_SPINLOCK(sun9i_a80_gt_lock); static void __init sun9i_a80_gt_setup(struct device_node *node) { void __iomem *reg; - struct clk *gt; reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { - pr_err("Could not get registers for a80-gt-clk: %s\n", - node->name); + pr_err("Could not get registers for a80-gt-clk: %pOFn\n", + node); return; } - gt = sunxi_factors_register(node, &sun9i_a80_gt_data, - &sun9i_a80_gt_lock, reg); - /* The GT bus clock needs to be always enabled */ - __clk_get(gt); - clk_prepare_enable(gt); + sunxi_factors_register_critical(node, &sun9i_a80_gt_data, + &sun9i_a80_gt_lock, reg); } CLK_OF_DECLARE(sun9i_a80_gt, "allwinner,sun9i-a80-gt-clk", sun9i_a80_gt_setup); -/** +/* * sun9i_a80_get_ahb_factors() - calculates p factor for AHB0/1/2 * AHB rate is calculated as follows * rate = parent_rate >> p; @@ -202,8 +188,8 @@ static void __init sun9i_a80_ahb_setup(struct device_node *node) reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { - pr_err("Could not get registers for a80-ahb-clk: %s\n", - node->name); + pr_err("Could not get registers for a80-ahb-clk: %pOFn\n", + node); return; } @@ -228,8 +214,8 @@ static void __init sun9i_a80_apb0_setup(struct device_node *node) reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { - pr_err("Could not get registers for a80-apb0-clk: %s\n", - node->name); + pr_err("Could not get registers for a80-apb0-clk: %pOFn\n", + node); return; } @@ -239,7 +225,7 @@ static void __init sun9i_a80_apb0_setup(struct device_node *node) CLK_OF_DECLARE(sun9i_a80_apb0, "allwinner,sun9i-a80-apb0-clk", sun9i_a80_apb0_setup); -/** +/* * sun9i_a80_get_apb1_factors() - calculates m, p factors for APB1 * APB1 rate is calculated as follows * rate = (parent_rate >> p) / (m + 1); @@ -285,8 +271,8 @@ static void __init sun9i_a80_apb1_setup(struct device_node *node) reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { - pr_err("Could not get registers for a80-apb1-clk: %s\n", - node->name); + pr_err("Could not get registers for a80-apb1-clk: %pOFn\n", + node); return; } |