sh: dma - 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: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 41 insertions, 40 deletions

diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c
index 83cc704770d7..b1cb2715ad6e 100644
--- a/arch/sh/drivers/dma/dma-sysfs.c
+++ b/arch/sh/drivers/dma/dma-sysfs.c
@@ -12,18 +12,19 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/stat.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/string.h>
 #include <asm/dma.h>
 
-static struct sysdev_class dma_sysclass = {
+static struct bus_type dma_subsys = {
         .name = "dma",
+        .dev_name = "dma",
 };
 
-static ssize_t dma_show_devices(struct sys_device *dev,
-                                struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_devices(struct device *dev,
+                                struct device_attribute *attr, char *buf)
 {
         ssize_t len = 0;
         int i;
@@ -43,29 +44,29 @@ static ssize_t dma_show_devices(struct sys_device *dev,
         return len;
 }
 
-static SYSDEV_ATTR(devices, S_IRUGO, dma_show_devices, NULL);
+static DEVICE_ATTR(devices, S_IRUGO, dma_show_devices, NULL);
 
-static int __init dma_sysclass_init(void)
+static int __init dma_subsys_init(void)
 {
         int ret;
 
-        ret = sysdev_class_register(&dma_sysclass);
+        ret = subsys_system_register(&dma_subsys, NULL);
         if (unlikely(ret))
                 return ret;
 
-        return sysfs_create_file(&dma_sysclass.kset.kobj, &attr_devices.attr);
+        return device_create_file(dma_subsys.dev_root, &dev_attr_devices.attr);
 }
-postcore_initcall(dma_sysclass_init);
+postcore_initcall(dma_subsys_init);
 
-static ssize_t dma_show_dev_id(struct sys_device *dev,
-                                struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_dev_id(struct device *dev,
+                                struct device_attribute *attr, char *buf)
 {
         struct dma_channel *channel = to_dma_channel(dev);
         return sprintf(buf, "%s\n", channel->dev_id);
 }
 
-static ssize_t dma_store_dev_id(struct sys_device *dev,
-                                struct sysdev_attribute *attr,
+static ssize_t dma_store_dev_id(struct device *dev,
+                                struct device_attribute *attr,
                                 const char *buf, size_t count)
 {
         struct dma_channel *channel = to_dma_channel(dev);
@@ -73,10 +74,10 @@ static ssize_t dma_store_dev_id(struct sys_device *dev,
         return count;
 }
 
-static SYSDEV_ATTR(dev_id, S_IRUGO | S_IWUSR, dma_show_dev_id, dma_store_dev_id);
+static DEVICE_ATTR(dev_id, S_IRUGO | S_IWUSR, dma_show_dev_id, dma_store_dev_id);
 
-static ssize_t dma_store_config(struct sys_device *dev,
-                                struct sysdev_attribute *attr,
+static ssize_t dma_store_config(struct device *dev,
+                                struct device_attribute *attr,
                                 const char *buf, size_t count)
 {
         struct dma_channel *channel = to_dma_channel(dev);
@@ -88,17 +89,17 @@ static ssize_t dma_store_config(struct sys_device *dev,
         return count;
 }
 
-static SYSDEV_ATTR(config, S_IWUSR, NULL, dma_store_config);
+static DEVICE_ATTR(config, S_IWUSR, NULL, dma_store_config);
 
-static ssize_t dma_show_mode(struct sys_device *dev,
-                                struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_mode(struct device *dev,
+                                struct device_attribute *attr, char *buf)
 {
         struct dma_channel *channel = to_dma_channel(dev);
         return sprintf(buf, "0x%08x\n", channel->mode);
 }
 
-static ssize_t dma_store_mode(struct sys_device *dev,
-                              struct sysdev_attribute *attr,
+static ssize_t dma_store_mode(struct device *dev,
+                              struct device_attribute *attr,
                               const char *buf, size_t count)
 {
         struct dma_channel *channel = to_dma_channel(dev);
@@ -106,38 +107,38 @@ static ssize_t dma_store_mode(struct sys_device *dev,
         return count;
 }
 
-static SYSDEV_ATTR(mode, S_IRUGO | S_IWUSR, dma_show_mode, dma_store_mode);
+static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, dma_show_mode, dma_store_mode);
 
 #define dma_ro_attr(field, fmt)                                         \
-static ssize_t dma_show_##field(struct sys_device *dev,                 \
-                                struct sysdev_attribute *attr, char *buf)\
+static ssize_t dma_show_##field(struct device *dev,             \
+                                struct device_attribute *attr, char *buf)\
 {                                                                       \
         struct dma_channel *channel = to_dma_channel(dev);              \
         return sprintf(buf, fmt, channel->field);                       \
 }                                                                       \
-static SYSDEV_ATTR(field, S_IRUGO, dma_show_##field, NULL);
+static DEVICE_ATTR(field, S_IRUGO, dma_show_##field, NULL);
 
 dma_ro_attr(count, "0x%08x\n");
 dma_ro_attr(flags, "0x%08lx\n");
 
 int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 {
-        struct sys_device *dev = &chan->dev;
+        struct device *dev = &chan->dev;
         char name[16];
         int ret;
 
         dev->id  = chan->vchan;
-        dev->cls = &dma_sysclass;
+        dev->bus = &dma_subsys;
 
-        ret = sysdev_register(dev);
+        ret = device_register(dev);
         if (ret)
                 return ret;
 
-        ret |= sysdev_create_file(dev, &attr_dev_id);
-        ret |= sysdev_create_file(dev, &attr_count);
-        ret |= sysdev_create_file(dev, &attr_mode);
-        ret |= sysdev_create_file(dev, &attr_flags);
-        ret |= sysdev_create_file(dev, &attr_config);
+        ret |= device_create_file(dev, &dev_attr_dev_id);
+        ret |= device_create_file(dev, &dev_attr_count);
+        ret |= device_create_file(dev, &dev_attr_mode);
+        ret |= device_create_file(dev, &dev_attr_flags);
+        ret |= device_create_file(dev, &dev_attr_config);
 
         if (unlikely(ret)) {
                 dev_err(&info->pdev->dev, "Failed creating attrs\n");
@@ -150,17 +151,17 @@ int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 
 void dma_remove_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 {
-        struct sys_device *dev = &chan->dev;
+        struct device *dev = &chan->dev;
         char name[16];
 
-        sysdev_remove_file(dev, &attr_dev_id);
-        sysdev_remove_file(dev, &attr_count);
-        sysdev_remove_file(dev, &attr_mode);
-        sysdev_remove_file(dev, &attr_flags);
-        sysdev_remove_file(dev, &attr_config);
+        device_remove_file(dev, &dev_attr_dev_id);
+        device_remove_file(dev, &dev_attr_count);
+        device_remove_file(dev, &dev_attr_mode);
+        device_remove_file(dev, &dev_attr_flags);
+        device_remove_file(dev, &dev_attr_config);
 
         snprintf(name, sizeof(name), "dma%d", chan->chan);
         sysfs_remove_link(&info->pdev->dev.kobj, name);
 
-        sysdev_unregister(dev);
+        device_unregister(dev);
 }