mirror of https://github.com/OpenIPC/firmware.git
109 lines
3.0 KiB
Diff
109 lines
3.0 KiB
Diff
diff -drupN a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
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--- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c 2018-08-06 17:23:04.000000000 +0300
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+++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c 1970-01-01 03:00:00.000000000 +0300
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@@ -1,104 +0,0 @@
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-/*
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- * Copyright (C) 2014 Free Electrons
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- *
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- * License Terms: GNU General Public License v2
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- * Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
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- *
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- * Allwinner A31 APB0 clock gates driver
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- *
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- */
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-
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-#include <linux/clk-provider.h>
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-#include <linux/init.h>
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-#include <linux/of.h>
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-#include <linux/of_device.h>
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-#include <linux/platform_device.h>
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-
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-#define SUN6I_APB0_GATES_MAX_SIZE 32
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-
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-struct gates_data {
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- DECLARE_BITMAP(mask, SUN6I_APB0_GATES_MAX_SIZE);
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-};
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-
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-static const struct gates_data sun6i_a31_apb0_gates __initconst = {
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- .mask = {0x7F},
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-};
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-
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-static const struct gates_data sun8i_a23_apb0_gates __initconst = {
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- .mask = {0x5D},
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-};
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-
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-static const struct of_device_id sun6i_a31_apb0_gates_clk_dt_ids[] = {
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- { .compatible = "allwinner,sun6i-a31-apb0-gates-clk", .data = &sun6i_a31_apb0_gates },
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- { .compatible = "allwinner,sun8i-a23-apb0-gates-clk", .data = &sun8i_a23_apb0_gates },
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- { /* sentinel */ }
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-};
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-
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-static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
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-{
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- struct device_node *np = pdev->dev.of_node;
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- struct clk_onecell_data *clk_data;
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- const struct of_device_id *device;
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- const struct gates_data *data;
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- const char *clk_parent;
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- const char *clk_name;
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- struct resource *r;
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- void __iomem *reg;
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- int ngates;
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- int i;
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- int j = 0;
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-
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- if (!np)
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- return -ENODEV;
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-
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- device = of_match_device(sun6i_a31_apb0_gates_clk_dt_ids, &pdev->dev);
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- if (!device)
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- return -ENODEV;
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- data = device->data;
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-
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- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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- reg = devm_ioremap_resource(&pdev->dev, r);
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- if (IS_ERR(reg))
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- return PTR_ERR(reg);
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-
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- clk_parent = of_clk_get_parent_name(np, 0);
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- if (!clk_parent)
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- return -EINVAL;
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-
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- clk_data = devm_kzalloc(&pdev->dev, sizeof(struct clk_onecell_data),
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- GFP_KERNEL);
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- if (!clk_data)
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- return -ENOMEM;
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-
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- /* Worst-case size approximation and memory allocation */
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- ngates = find_last_bit(data->mask, SUN6I_APB0_GATES_MAX_SIZE);
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- clk_data->clks = devm_kcalloc(&pdev->dev, (ngates + 1),
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- sizeof(struct clk *), GFP_KERNEL);
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- if (!clk_data->clks)
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- return -ENOMEM;
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-
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- for_each_set_bit(i, data->mask, SUN6I_APB0_GATES_MAX_SIZE) {
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- of_property_read_string_index(np, "clock-output-names",
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- j, &clk_name);
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-
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- clk_data->clks[i] = clk_register_gate(&pdev->dev, clk_name,
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- clk_parent, 0, reg, i,
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- 0, NULL);
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- WARN_ON(IS_ERR(clk_data->clks[i]));
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-
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- j++;
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- }
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-
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- clk_data->clk_num = ngates + 1;
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-
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- return of_clk_add_provider(np, of_clk_src_onecell_get, clk_data);
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-}
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-
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-static struct platform_driver sun6i_a31_apb0_gates_clk_driver = {
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- .driver = {
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- .name = "sun6i-a31-apb0-gates-clk",
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- .of_match_table = sun6i_a31_apb0_gates_clk_dt_ids,
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- },
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- .probe = sun6i_a31_apb0_gates_clk_probe,
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-};
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-builtin_platform_driver(sun6i_a31_apb0_gates_clk_driver);
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