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sh: intc - convert sysdev_class to a regular subsystem 

After all sysdev classes are ported to regular driver core entities, the
sysdev implementation will be entirely removed from the kernel.

Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kay Sievers 2011-12-21 15:09:52 -08:00 committed by Greg Kroah-Hartman
parent 86ba41d033
commit f4e73bfcd9
3 changed files with 26 additions and 25 deletions
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29
drivers/sh/intc/core.c
View File

@ -25,7 +25,7 @@
#include <linux/stat.h>
#include <linux/interrupt.h>
#include <linux/sh_intc.h>
#include <linux/sysdev.h>
#include <linux/device.h>
#include <linux/syscore_ops.h>
#include <linux/list.h>
#include <linux/spinlock.h>
@ -434,46 +434,47 @@ struct syscore_ops intc_syscore_ops = {
.resume = intc_resume,
};
struct sysdev_class intc_sysdev_class = {
struct bus_type intc_subsys = {
.name = "intc",
.dev_name = "intc",
};
static ssize_t
show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf)
show_intc_name(struct device *dev, struct device_attribute *attr, char *buf)
{
struct intc_desc_int *d;
d = container_of(dev, struct intc_desc_int, sysdev);
d = container_of(dev, struct intc_desc_int, dev);
return sprintf(buf, "%s\n", d->chip.name);
}
static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
static DEVICE_ATTR(name, S_IRUGO, show_intc_name, NULL);
static int __init register_intc_sysdevs(void)
static int __init register_intc_devs(void)
{
struct intc_desc_int *d;
int error;
register_syscore_ops(&intc_syscore_ops);
error = sysdev_class_register(&intc_sysdev_class);
error = subsys_system_register(&intc_subsys, NULL);
if (!error) {
list_for_each_entry(d, &intc_list, list) {
d->sysdev.id = d->index;
d->sysdev.cls = &intc_sysdev_class;
error = sysdev_register(&d->sysdev);
d->dev.id = d->index;
d->dev.bus = &intc_subsys;
error = device_register(&d->dev);
if (error == 0)
error = sysdev_create_file(&d->sysdev,
&attr_name);
error = device_create_file(&d->dev,
&dev_attr_name);
if (error)
break;
}
}
if (error)
pr_err("sysdev registration error\n");
pr_err("device registration error\n");
return error;
}
device_initcall(register_intc_sysdevs);
device_initcall(register_intc_devs);

6
drivers/sh/intc/internals.h
View File

@ -4,7 +4,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/radix-tree.h>
#include <linux/sysdev.h>
#include <linux/device.h>
#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
@ -51,7 +51,7 @@ struct intc_subgroup_entry {
struct intc_desc_int {
struct list_head list;
struct sys_device sysdev;
struct device dev;
struct radix_tree_root tree;
raw_spinlock_t lock;
unsigned int index;
@ -157,7 +157,7 @@ void _intc_enable(struct irq_data *data, unsigned long handle);
extern struct list_head intc_list;
extern raw_spinlock_t intc_big_lock;
extern unsigned int nr_intc_controllers;
extern struct sysdev_class intc_sysdev_class;
extern struct bus_type intc_subsys;
unsigned int intc_get_dfl_prio_level(void);
unsigned int intc_get_prio_level(unsigned int irq);

16
drivers/sh/intc/userimask.c
View File

@ -10,7 +10,7 @@
#define pr_fmt(fmt) "intc: " fmt
#include <linux/errno.h>
#include <linux/sysdev.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/stat.h>
@ -20,15 +20,15 @@
static void __iomem *uimask;
static ssize_t
show_intc_userimask(struct sysdev_class *cls,
struct sysdev_class_attribute *attr, char *buf)
show_intc_userimask(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", (__raw_readl(uimask) >> 4) & 0xf);
}
static ssize_t
store_intc_userimask(struct sysdev_class *cls,
struct sysdev_class_attribute *attr,
store_intc_userimask(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long level;
@ -55,8 +55,8 @@ store_intc_userimask(struct sysdev_class *cls,
return count;
}
static SYSDEV_CLASS_ATTR(userimask, S_IRUSR | S_IWUSR,
show_intc_userimask, store_intc_userimask);
static DEVICE_ATTR(userimask, S_IRUSR | S_IWUSR,
show_intc_userimask, store_intc_userimask);
static int __init userimask_sysdev_init(void)
@ -64,7 +64,7 @@ static int __init userimask_sysdev_init(void)
if (unlikely(!uimask))
return -ENXIO;
return sysdev_class_create_file(&intc_sysdev_class, &attr_userimask);
return device_create_file(intc_subsys.dev_root, &dev_attr_userimask);
}
late_initcall(userimask_sysdev_init);