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edac: 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: Doug Thompson <dougthompson@xmission.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Kay Sievers 2011-12-14 15:21:07 -08:00 committed by Greg Kroah-Hartman
parent 997d3eaf02
commit fe5ff8b84c
11 changed files with 53 additions and 59 deletions
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7
drivers/edac/edac_core.h
View File

@ -32,7 +32,6 @@
#include <linux/completion.h>
#include <linux/kobject.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/workqueue.h>
#include <linux/edac.h>
@ -243,8 +242,8 @@ struct edac_device_ctl_info {
*/
struct edac_dev_sysfs_attribute *sysfs_attributes;
/* pointer to main 'edac' class in sysfs */
struct sysdev_class *edac_class;
/* pointer to main 'edac' subsys in sysfs */
struct bus_type *edac_subsys;
/* the internal state of this controller instance */
int op_state;
@ -342,7 +341,7 @@ struct edac_pci_ctl_info {
int pci_idx;
struct sysdev_class *edac_class; /* pointer to class */
struct bus_type *edac_subsys; /* pointer to subsystem */
/* the internal state of this controller instance */
int op_state;

1
drivers/edac/edac_device.c
View File

@ -23,7 +23,6 @@
#include <linux/jiffies.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/sysdev.h>
#include <linux/ctype.h>
#include <linux/workqueue.h>
#include <asm/uaccess.h>

20
drivers/edac/edac_device_sysfs.c
View File

@ -1,5 +1,5 @@
/*
* file for managing the edac_device class of devices for EDAC
* file for managing the edac_device subsystem of devices for EDAC
*
* (C) 2007 SoftwareBitMaker
*
@ -230,21 +230,21 @@ static struct kobj_type ktype_device_ctrl = {
*/
int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
{
struct sysdev_class *edac_class;
struct bus_type *edac_subsys;
int err;
debugf1("%s()\n", __func__);
/* get the /sys/devices/system/edac reference */
edac_class = edac_get_sysfs_class();
if (edac_class == NULL) {
debugf1("%s() no edac_class error\n", __func__);
edac_subsys = edac_get_sysfs_subsys();
if (edac_subsys == NULL) {
debugf1("%s() no edac_subsys error\n", __func__);
err = -ENODEV;
goto err_out;
}
/* Point to the 'edac_class' this instance 'reports' to */
edac_dev->edac_class = edac_class;
/* Point to the 'edac_subsys' this instance 'reports' to */
edac_dev->edac_subsys = edac_subsys;
/* Init the devices's kobject */
memset(&edac_dev->kobj, 0, sizeof(struct kobject));
@ -261,7 +261,7 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
/* register */
err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl,
&edac_class->kset.kobj,
&edac_subsys->dev_root->kobj,
"%s", edac_dev->name);
if (err) {
debugf1("%s()Failed to register '.../edac/%s'\n",
@ -284,7 +284,7 @@ err_kobj_reg:
module_put(edac_dev->owner);
err_mod_get:
edac_put_sysfs_class();
edac_put_sysfs_subsys();
err_out:
return err;
@ -308,7 +308,7 @@ void edac_device_unregister_sysfs_main_kobj(struct edac_device_ctl_info *dev)
* b) 'kfree' the memory
*/
kobject_put(&dev->kobj);
edac_put_sysfs_class();
edac_put_sysfs_subsys();
}
/* edac_dev -> instance information */

1
drivers/edac/edac_mc.c
View File

@ -25,7 +25,6 @@
#include <linux/jiffies.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/sysdev.h>
#include <linux/ctype.h>
#include <linux/edac.h>
#include <asm/uaccess.h>

16
drivers/edac/edac_mc_sysfs.c
View File

@ -1021,19 +1021,19 @@ void edac_remove_sysfs_mci_device(struct mem_ctl_info *mci)
int edac_sysfs_setup_mc_kset(void)
{
int err = -EINVAL;
struct sysdev_class *edac_class;
struct bus_type *edac_subsys;
debugf1("%s()\n", __func__);
/* get the /sys/devices/system/edac class reference */
edac_class = edac_get_sysfs_class();
if (edac_class == NULL) {
debugf1("%s() no edac_class error=%d\n", __func__, err);
/* get the /sys/devices/system/edac subsys reference */
edac_subsys = edac_get_sysfs_subsys();
if (edac_subsys == NULL) {
debugf1("%s() no edac_subsys error=%d\n", __func__, err);
goto fail_out;
}
/* Init the MC's kobject */
mc_kset = kset_create_and_add("mc", NULL, &edac_class->kset.kobj);
mc_kset = kset_create_and_add("mc", NULL, &edac_subsys->dev_root->kobj);
if (!mc_kset) {
err = -ENOMEM;
debugf1("%s() Failed to register '.../edac/mc'\n", __func__);
@ -1045,7 +1045,7 @@ int edac_sysfs_setup_mc_kset(void)
return 0;
fail_kset:
edac_put_sysfs_class();
edac_put_sysfs_subsys();
fail_out:
return err;
@ -1059,6 +1059,6 @@ fail_out:
void edac_sysfs_teardown_mc_kset(void)
{
kset_unregister(mc_kset);
edac_put_sysfs_class();
edac_put_sysfs_subsys();
}

2
drivers/edac/edac_module.h
View File

@ -10,8 +10,6 @@
#ifndef __EDAC_MODULE_H__
#define __EDAC_MODULE_H__
#include <linux/sysdev.h>
#include "edac_core.h"
/*

1
drivers/edac/edac_pci.c
View File

@ -19,7 +19,6 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/sysdev.h>
#include <linux/ctype.h>
#include <linux/workqueue.h>
#include <asm/uaccess.h>

16
drivers/edac/edac_pci_sysfs.c
View File

@ -338,12 +338,12 @@ static struct kobj_type ktype_edac_pci_main_kobj = {
* edac_pci_main_kobj_setup()
*
* setup the sysfs for EDAC PCI attributes
* assumes edac_class has already been initialized
* assumes edac_subsys has already been initialized
*/
static int edac_pci_main_kobj_setup(void)
{
int err;
struct sysdev_class *edac_class;
struct bus_type *edac_subsys;
debugf0("%s()\n", __func__);
@ -354,9 +354,9 @@ static int edac_pci_main_kobj_setup(void)
/* First time, so create the main kobject and its
* controls and attributes
*/
edac_class = edac_get_sysfs_class();
if (edac_class == NULL) {
debugf1("%s() no edac_class\n", __func__);
edac_subsys = edac_get_sysfs_subsys();
if (edac_subsys == NULL) {
debugf1("%s() no edac_subsys\n", __func__);
err = -ENODEV;
goto decrement_count_fail;
}
@ -381,7 +381,7 @@ static int edac_pci_main_kobj_setup(void)
/* Instanstiate the pci object */
err = kobject_init_and_add(edac_pci_top_main_kobj,
&ktype_edac_pci_main_kobj,
&edac_class->kset.kobj, "pci");
&edac_subsys->dev_root->kobj, "pci");
if (err) {
debugf1("Failed to register '.../edac/pci'\n");
goto kobject_init_and_add_fail;
@ -404,7 +404,7 @@ kzalloc_fail:
module_put(THIS_MODULE);
mod_get_fail:
edac_put_sysfs_class();
edac_put_sysfs_subsys();
decrement_count_fail:
/* if are on this error exit, nothing to tear down */
@ -432,7 +432,7 @@ static void edac_pci_main_kobj_teardown(void)
__func__);
kobject_put(edac_pci_top_main_kobj);
}
edac_put_sysfs_class();
edac_put_sysfs_subsys();
}
/*

27
drivers/edac/edac_stub.c
View File

@ -26,7 +26,7 @@ EXPORT_SYMBOL_GPL(edac_handlers);
int edac_err_assert = 0;
EXPORT_SYMBOL_GPL(edac_err_assert);
static atomic_t edac_class_valid = ATOMIC_INIT(0);
static atomic_t edac_subsys_valid = ATOMIC_INIT(0);
/*
* called to determine if there is an EDAC driver interested in
@ -54,36 +54,37 @@ EXPORT_SYMBOL_GPL(edac_atomic_assert_error);
* sysfs object: /sys/devices/system/edac
* need to export to other files
*/
struct sysdev_class edac_class = {
struct bus_type edac_subsys = {
.name = "edac",
.dev_name = "edac",
};
EXPORT_SYMBOL_GPL(edac_class);
EXPORT_SYMBOL_GPL(edac_subsys);
/* return pointer to the 'edac' node in sysfs */
struct sysdev_class *edac_get_sysfs_class(void)
struct bus_type *edac_get_sysfs_subsys(void)
{
int err = 0;
if (atomic_read(&edac_class_valid))
if (atomic_read(&edac_subsys_valid))
goto out;
/* create the /sys/devices/system/edac directory */
err = sysdev_class_register(&edac_class);
err = subsys_system_register(&edac_subsys, NULL);
if (err) {
printk(KERN_ERR "Error registering toplevel EDAC sysfs dir\n");
return NULL;
}
out:
atomic_inc(&edac_class_valid);
return &edac_class;
atomic_inc(&edac_subsys_valid);
return &edac_subsys;
}
EXPORT_SYMBOL_GPL(edac_get_sysfs_class);
EXPORT_SYMBOL_GPL(edac_get_sysfs_subsys);
void edac_put_sysfs_class(void)
void edac_put_sysfs_subsys(void)
{
/* last user unregisters it */
if (atomic_dec_and_test(&edac_class_valid))
sysdev_class_unregister(&edac_class);
if (atomic_dec_and_test(&edac_subsys_valid))
bus_unregister(&edac_subsys);
}
EXPORT_SYMBOL_GPL(edac_put_sysfs_class);
EXPORT_SYMBOL_GPL(edac_put_sysfs_subsys);

13
drivers/edac/mce_amd_inj.c
View File

@ -11,7 +11,6 @@
*/
#include <linux/kobject.h>
#include <linux/sysdev.h>
#include <linux/edac.h>
#include <linux/module.h>
#include <asm/mce.h>
@ -116,14 +115,14 @@ static struct edac_mce_attr *sysfs_attrs[] = { &mce_attr_status, &mce_attr_misc,
static int __init edac_init_mce_inject(void)
{
struct sysdev_class *edac_class = NULL;
struct bus_type *edac_subsys = NULL;
int i, err = 0;
edac_class = edac_get_sysfs_class();
if (!edac_class)
edac_subsys = edac_get_sysfs_subsys();
if (!edac_subsys)
return -EINVAL;
mce_kobj = kobject_create_and_add("mce", &edac_class->kset.kobj);
mce_kobj = kobject_create_and_add("mce", &edac_subsys->dev_root->kobj);
if (!mce_kobj) {
printk(KERN_ERR "Error creating a mce kset.\n");
err = -ENOMEM;
@ -147,7 +146,7 @@ err_sysfs_create:
kobject_del(mce_kobj);
err_mce_kobj:
edac_put_sysfs_class();
edac_put_sysfs_subsys();
return err;
}
@ -161,7 +160,7 @@ static void __exit edac_exit_mce_inject(void)
kobject_del(mce_kobj);
edac_put_sysfs_class();
edac_put_sysfs_subsys();
}
module_init(edac_init_mce_inject);

8
include/linux/edac.h
View File

@ -13,7 +13,7 @@
#define _LINUX_EDAC_H_
#include <linux/atomic.h>
#include <linux/sysdev.h>
#include <linux/device.h>
#define EDAC_OPSTATE_INVAL -1
#define EDAC_OPSTATE_POLL 0
@ -23,12 +23,12 @@
extern int edac_op_state;
extern int edac_err_assert;
extern atomic_t edac_handlers;
extern struct sysdev_class edac_class;
extern struct bus_type edac_subsys;
extern int edac_handler_set(void);
extern void edac_atomic_assert_error(void);
extern struct sysdev_class *edac_get_sysfs_class(void);
extern void edac_put_sysfs_class(void);
extern struct bus_type *edac_get_sysfs_subsys(void);
extern void edac_put_sysfs_subsys(void);
static inline void opstate_init(void)
{