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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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a3891621d4
Since commit d492cc2573 ("driver core: device.h: make struct bus_type
a const *"), the driver core can properly handle constant struct
bus_type, move the s3c6410_subsys variable to be a constant structure as
well, placing it into read-only memory which can not be modified at
runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-arm-v1-1-41d651dd8411@marliere.net
Link: https://lore.kernel.org/r/20240211-bus_cleanup-arm-v2-1-3de9e8af7cbd@marliere.net
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright 2008 Simtec Electronics
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// Copyright 2008 Simtec Electronics
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// Ben Dooks <ben@simtec.co.uk>
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// http://armlinux.simtec.co.uk/
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/*
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* NOTE: Code in this file is not used when booting with Device Tree support.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/device.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/irq.h>
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#include <linux/soc/samsung/s3c-pm.h>
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#include "regs-clock.h"
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#include "cpu.h"
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#include "devs.h"
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#include "sdhci.h"
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#include "iic-core.h"
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#include "s3c64xx.h"
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void __init s3c6410_map_io(void)
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{
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/* initialise device information early */
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s3c6410_default_sdhci0();
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s3c6410_default_sdhci1();
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s3c6410_default_sdhci2();
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/* the i2c devices are directly compatible with s3c2440 */
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s3c_i2c0_setname("s3c2440-i2c");
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s3c_i2c1_setname("s3c2440-i2c");
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}
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void __init s3c6410_init_irq(void)
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{
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/* VIC0 is missing IRQ7, VIC1 is fully populated. */
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s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
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}
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const struct bus_type s3c6410_subsys = {
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.name = "s3c6410-core",
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.dev_name = "s3c6410-core",
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};
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static struct device s3c6410_dev = {
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.bus = &s3c6410_subsys,
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};
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static int __init s3c6410_core_init(void)
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{
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/* Not applicable when using DT. */
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if (of_have_populated_dt() || !soc_is_s3c64xx())
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return 0;
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return subsys_system_register(&s3c6410_subsys, NULL);
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}
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core_initcall(s3c6410_core_init);
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int __init s3c6410_init(void)
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{
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printk("S3C6410: Initialising architecture\n");
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return device_register(&s3c6410_dev);
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}
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