firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-drivers_clk_sunxi_clk...

103 lines
2.9 KiB
Diff

diff -drupN a/drivers/clk/sunxi/clk-sun4i-pll3.c b/drivers/clk/sunxi/clk-sun4i-pll3.c
--- a/drivers/clk/sunxi/clk-sun4i-pll3.c 2018-08-06 17:23:04.000000000 +0300
+++ b/drivers/clk/sunxi/clk-sun4i-pll3.c 1970-01-01 03:00:00.000000000 +0300
@@ -1,98 +0,0 @@
-/*
- * Copyright 2015 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * 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-provider.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-
-#define SUN4I_A10_PLL3_GATE_BIT 31
-#define SUN4I_A10_PLL3_DIV_WIDTH 7
-#define SUN4I_A10_PLL3_DIV_SHIFT 0
-
-static DEFINE_SPINLOCK(sun4i_a10_pll3_lock);
-
-static void __init sun4i_a10_pll3_setup(struct device_node *node)
-{
- const char *clk_name = node->name, *parent;
- struct clk_multiplier *mult;
- struct clk_gate *gate;
- struct resource res;
- void __iomem *reg;
- struct clk *clk;
- int ret;
-
- of_property_read_string(node, "clock-output-names", &clk_name);
- parent = of_clk_get_parent_name(node, 0);
-
- reg = of_io_request_and_map(node, 0, of_node_full_name(node));
- if (IS_ERR(reg)) {
- pr_err("%s: Could not map the clock registers\n", clk_name);
- return;
- }
-
- gate = kzalloc(sizeof(*gate), GFP_KERNEL);
- if (!gate)
- goto err_unmap;
-
- gate->reg = reg;
- gate->bit_idx = SUN4I_A10_PLL3_GATE_BIT;
- gate->lock = &sun4i_a10_pll3_lock;
-
- mult = kzalloc(sizeof(*mult), GFP_KERNEL);
- if (!mult)
- goto err_free_gate;
-
- mult->reg = reg;
- mult->shift = SUN4I_A10_PLL3_DIV_SHIFT;
- mult->width = SUN4I_A10_PLL3_DIV_WIDTH;
- mult->lock = &sun4i_a10_pll3_lock;
-
- clk = clk_register_composite(NULL, clk_name,
- &parent, 1,
- NULL, NULL,
- &mult->hw, &clk_multiplier_ops,
- &gate->hw, &clk_gate_ops,
- 0);
- if (IS_ERR(clk)) {
- pr_err("%s: Couldn't register the clock\n", clk_name);
- goto err_free_mult;
- }
-
- ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
- if (ret) {
- pr_err("%s: Couldn't register DT provider\n",
- clk_name);
- goto err_clk_unregister;
- }
-
- return;
-
-err_clk_unregister:
- clk_unregister_composite(clk);
-err_free_mult:
- kfree(mult);
-err_free_gate:
- kfree(gate);
-err_unmap:
- iounmap(reg);
- of_address_to_resource(node, 0, &res);
- release_mem_region(res.start, resource_size(&res));
-}
-
-CLK_OF_DECLARE(sun4i_a10_pll3, "allwinner,sun4i-a10-pll3-clk",
- sun4i_a10_pll3_setup);