mirror of
https://github.com/torvalds/linux.git
synced 2024-12-12 14:12:51 +00:00
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>
86 lines
1.8 KiB
C
86 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// Copyright 2008 Simtec Electronics
|
|
// Copyright 2008 Simtec Electronics
|
|
// Ben Dooks <ben@simtec.co.uk>
|
|
// http://armlinux.simtec.co.uk/
|
|
|
|
/*
|
|
* NOTE: Code in this file is not used when booting with Device Tree support.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/list.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/init.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/io.h>
|
|
#include <linux/device.h>
|
|
#include <linux/serial_core.h>
|
|
#include <linux/serial_s3c.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/of.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/irq.h>
|
|
|
|
#include <asm/irq.h>
|
|
|
|
#include <linux/soc/samsung/s3c-pm.h>
|
|
#include "regs-clock.h"
|
|
|
|
#include "cpu.h"
|
|
#include "devs.h"
|
|
#include "sdhci.h"
|
|
#include "iic-core.h"
|
|
|
|
#include "s3c64xx.h"
|
|
|
|
void __init s3c6410_map_io(void)
|
|
{
|
|
/* initialise device information early */
|
|
s3c6410_default_sdhci0();
|
|
s3c6410_default_sdhci1();
|
|
s3c6410_default_sdhci2();
|
|
|
|
/* the i2c devices are directly compatible with s3c2440 */
|
|
s3c_i2c0_setname("s3c2440-i2c");
|
|
s3c_i2c1_setname("s3c2440-i2c");
|
|
}
|
|
|
|
void __init s3c6410_init_irq(void)
|
|
{
|
|
/* VIC0 is missing IRQ7, VIC1 is fully populated. */
|
|
s3c64xx_init_irq(~0 & ~(1 << 7), ~0);
|
|
}
|
|
|
|
const struct bus_type s3c6410_subsys = {
|
|
.name = "s3c6410-core",
|
|
.dev_name = "s3c6410-core",
|
|
};
|
|
|
|
static struct device s3c6410_dev = {
|
|
.bus = &s3c6410_subsys,
|
|
};
|
|
|
|
static int __init s3c6410_core_init(void)
|
|
{
|
|
/* Not applicable when using DT. */
|
|
if (of_have_populated_dt() || !soc_is_s3c64xx())
|
|
return 0;
|
|
|
|
return subsys_system_register(&s3c6410_subsys, NULL);
|
|
}
|
|
|
|
core_initcall(s3c6410_core_init);
|
|
|
|
int __init s3c6410_init(void)
|
|
{
|
|
printk("S3C6410: Initialising architecture\n");
|
|
|
|
return device_register(&s3c6410_dev);
|
|
}
|