mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 21:38:32 +08:00
62e59c4e69
Now that we've gotten rid of clk_readl() we can remove io.h from the clk-provider header and push out the io.h include to any code that isn't already including the io.h header but using things like readl/writel, etc. Found with this grep: git grep -l clk-provider.h | grep '.c$' | xargs git grep -L 'linux/io.h' | \ xargs git grep -l \ -e '\<__iowrite32_copy\>' --or \ -e '\<__ioread32_copy\>' --or \ -e '\<__iowrite64_copy\>' --or \ -e '\<ioremap_page_range\>' --or \ -e '\<ioremap_huge_init\>' --or \ -e '\<arch_ioremap_pud_supported\>' --or \ -e '\<arch_ioremap_pmd_supported\>' --or \ -e '\<devm_ioport_map\>' --or \ -e '\<devm_ioport_unmap\>' --or \ -e '\<IOMEM_ERR_PTR\>' --or \ -e '\<devm_ioremap\>' --or \ -e '\<devm_ioremap_nocache\>' --or \ -e '\<devm_ioremap_wc\>' --or \ -e '\<devm_iounmap\>' --or \ -e '\<devm_ioremap_release\>' --or \ -e '\<devm_memremap\>' --or \ -e '\<devm_memunmap\>' --or \ -e '\<__devm_memremap_pages\>' --or \ -e '\<pci_remap_cfgspace\>' --or \ -e '\<arch_has_dev_port\>' --or \ -e '\<arch_phys_wc_add\>' --or \ -e '\<arch_phys_wc_del\>' --or \ -e '\<memremap\>' --or \ -e '\<memunmap\>' --or \ -e '\<arch_io_reserve_memtype_wc\>' --or \ -e '\<arch_io_free_memtype_wc\>' --or \ -e '\<__io_aw\>' --or \ -e '\<__io_pbw\>' --or \ -e '\<__io_paw\>' --or \ -e '\<__io_pbr\>' --or \ -e '\<__io_par\>' --or \ -e '\<__raw_readb\>' --or \ -e '\<__raw_readw\>' --or \ -e '\<__raw_readl\>' --or \ -e '\<__raw_readq\>' --or \ -e '\<__raw_writeb\>' --or \ -e '\<__raw_writew\>' --or \ -e '\<__raw_writel\>' --or \ -e '\<__raw_writeq\>' --or \ -e '\<readb\>' --or \ -e '\<readw\>' --or \ -e '\<readl\>' --or \ -e '\<readq\>' --or \ -e '\<writeb\>' --or \ -e '\<writew\>' --or \ -e '\<writel\>' --or \ -e '\<writeq\>' --or \ -e '\<readb_relaxed\>' --or \ -e '\<readw_relaxed\>' --or \ -e '\<readl_relaxed\>' --or \ -e '\<readq_relaxed\>' --or \ -e '\<writeb_relaxed\>' --or \ -e '\<writew_relaxed\>' --or \ -e '\<writel_relaxed\>' --or \ -e '\<writeq_relaxed\>' --or \ -e '\<readsb\>' --or \ -e '\<readsw\>' --or \ -e '\<readsl\>' --or \ -e '\<readsq\>' --or \ -e '\<writesb\>' --or \ -e '\<writesw\>' --or \ -e '\<writesl\>' --or \ -e '\<writesq\>' --or \ -e '\<inb\>' --or \ -e '\<inw\>' --or \ -e '\<inl\>' --or \ -e '\<outb\>' --or \ -e '\<outw\>' --or \ -e '\<outl\>' --or \ -e '\<inb_p\>' --or \ -e '\<inw_p\>' --or \ -e '\<inl_p\>' --or \ -e '\<outb_p\>' --or \ -e '\<outw_p\>' --or \ -e '\<outl_p\>' --or \ -e '\<insb\>' --or \ -e '\<insw\>' --or \ -e '\<insl\>' --or \ -e '\<outsb\>' --or \ -e '\<outsw\>' --or \ -e '\<outsl\>' --or \ -e '\<insb_p\>' --or \ -e '\<insw_p\>' --or \ -e '\<insl_p\>' --or \ -e '\<outsb_p\>' --or \ -e '\<outsw_p\>' --or \ -e '\<outsl_p\>' --or \ -e '\<ioread8\>' --or \ -e '\<ioread16\>' --or \ -e '\<ioread32\>' --or \ -e '\<ioread64\>' --or \ -e '\<iowrite8\>' --or \ -e '\<iowrite16\>' --or \ -e '\<iowrite32\>' --or \ -e '\<iowrite64\>' --or \ -e '\<ioread16be\>' --or \ -e '\<ioread32be\>' --or \ -e '\<ioread64be\>' --or \ -e '\<iowrite16be\>' --or \ -e '\<iowrite32be\>' --or \ -e '\<iowrite64be\>' --or \ -e '\<ioread8_rep\>' --or \ -e '\<ioread16_rep\>' --or \ -e '\<ioread32_rep\>' --or \ -e '\<ioread64_rep\>' --or \ -e '\<iowrite8_rep\>' --or \ -e '\<iowrite16_rep\>' --or \ -e '\<iowrite32_rep\>' --or \ -e '\<iowrite64_rep\>' --or \ -e '\<__io_virt\>' --or \ -e '\<pci_iounmap\>' --or \ -e '\<virt_to_phys\>' --or \ -e '\<phys_to_virt\>' --or \ -e '\<ioremap_uc\>' --or \ -e '\<ioremap\>' --or \ -e '\<__ioremap\>' --or \ -e '\<iounmap\>' --or \ -e '\<ioremap\>' --or \ -e '\<ioremap_nocache\>' --or \ -e '\<ioremap_uc\>' --or \ -e '\<ioremap_wc\>' --or \ -e '\<ioremap_wc\>' --or \ -e '\<ioremap_wt\>' --or \ -e '\<ioport_map\>' --or \ -e '\<ioport_unmap\>' --or \ -e '\<ioport_map\>' --or \ -e '\<ioport_unmap\>' --or \ -e '\<xlate_dev_kmem_ptr\>' --or \ -e '\<xlate_dev_mem_ptr\>' --or \ -e '\<unxlate_dev_mem_ptr\>' --or \ -e '\<virt_to_bus\>' --or \ -e '\<bus_to_virt\>' --or \ -e '\<memset_io\>' --or \ -e '\<memcpy_fromio\>' --or \ -e '\<memcpy_toio\>' I also reordered a couple includes when they weren't alphabetical and removed clk.h from kona, replacing it with clk-provider.h because that driver doesn't use clk consumer APIs. Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Tero Kristo <t-kristo@ti.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Mark Brown <broonie@kernel.org> Cc: Chris Zankel <chris@zankel.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: John Crispin <john@phrozen.org> Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
/*
|
|
* Memory Mapped IO Fixed clock driver
|
|
*
|
|
* Copyright (C) 2018 Cadence Design Systems, Inc.
|
|
*
|
|
* Authors:
|
|
* Jan Kotas <jank@cadence.com>
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/io.h>
|
|
#include <linux/module.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
static struct clk_hw *fixed_mmio_clk_setup(struct device_node *node)
|
|
{
|
|
struct clk_hw *clk;
|
|
const char *clk_name = node->name;
|
|
void __iomem *base;
|
|
u32 freq;
|
|
int ret;
|
|
|
|
base = of_iomap(node, 0);
|
|
if (!base) {
|
|
pr_err("%pOFn: failed to map address\n", node);
|
|
return ERR_PTR(-EIO);
|
|
}
|
|
|
|
freq = readl(base);
|
|
iounmap(base);
|
|
of_property_read_string(node, "clock-output-names", &clk_name);
|
|
|
|
clk = clk_hw_register_fixed_rate(NULL, clk_name, NULL, 0, freq);
|
|
if (IS_ERR(clk)) {
|
|
pr_err("%pOFn: failed to register fixed rate clock\n", node);
|
|
return clk;
|
|
}
|
|
|
|
ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, clk);
|
|
if (ret) {
|
|
pr_err("%pOFn: failed to add clock provider\n", node);
|
|
clk_hw_unregister(clk);
|
|
clk = ERR_PTR(ret);
|
|
}
|
|
|
|
return clk;
|
|
}
|
|
|
|
static void __init of_fixed_mmio_clk_setup(struct device_node *node)
|
|
{
|
|
fixed_mmio_clk_setup(node);
|
|
}
|
|
CLK_OF_DECLARE(fixed_mmio_clk, "fixed-mmio-clock", of_fixed_mmio_clk_setup);
|
|
|
|
/**
|
|
* This is not executed when of_fixed_mmio_clk_setup succeeded.
|
|
*/
|
|
static int of_fixed_mmio_clk_probe(struct platform_device *pdev)
|
|
{
|
|
struct clk_hw *clk;
|
|
|
|
clk = fixed_mmio_clk_setup(pdev->dev.of_node);
|
|
if (IS_ERR(clk))
|
|
return PTR_ERR(clk);
|
|
|
|
platform_set_drvdata(pdev, clk);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int of_fixed_mmio_clk_remove(struct platform_device *pdev)
|
|
{
|
|
struct clk_hw *clk = platform_get_drvdata(pdev);
|
|
|
|
of_clk_del_provider(pdev->dev.of_node);
|
|
clk_hw_unregister_fixed_rate(clk);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id of_fixed_mmio_clk_ids[] = {
|
|
{ .compatible = "fixed-mmio-clock" },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, of_fixed_mmio_clk_ids);
|
|
|
|
static struct platform_driver of_fixed_mmio_clk_driver = {
|
|
.driver = {
|
|
.name = "of_fixed_mmio_clk",
|
|
.of_match_table = of_fixed_mmio_clk_ids,
|
|
},
|
|
.probe = of_fixed_mmio_clk_probe,
|
|
.remove = of_fixed_mmio_clk_remove,
|
|
};
|
|
module_platform_driver(of_fixed_mmio_clk_driver);
|
|
|
|
MODULE_AUTHOR("Jan Kotas <jank@cadence.com>");
|
|
MODULE_DESCRIPTION("Memory Mapped IO Fixed clock driver");
|
|
MODULE_LICENSE("GPL v2");
|