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>

3 files changed, 26 insertions, 25 deletions

diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 8b7a141ff35e..e85512dd9c72 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -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);
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index 5b934851efa8..1c2722e5af3f 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -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);
diff --git a/drivers/sh/intc/userimask.c b/drivers/sh/intc/userimask.c
index 56bf9336b92b..e649ceaaa410 100644
--- a/drivers/sh/intc/userimask.c
+++ b/drivers/sh/intc/userimask.c
@@ -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);