mips: txx9_sram - 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: Ralf Baechle <ralf@linux-mips.org>
Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 16 insertions, 18 deletions

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index ec38e00b2559..ae77a7916c03 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -22,7 +22,7 @@
 #include <linux/serial_core.h>
 #include <linux/mtd/physmap.h>
 #include <linux/leds.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/irq.h>
 #include <asm/bootinfo.h>
@@ -897,10 +897,13 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq,
 #endif
 }
 
-static struct sysdev_class txx9_sramc_sysdev_class;
+static struct bus_type txx9_sramc_subsys = {
+        .name = "txx9_sram",
+        .dev_name = "txx9_sram",
+};
 
-struct txx9_sramc_sysdev {
-        struct sys_device dev;
+struct txx9_sramc_dev {
+        struct device dev;
         struct bin_attribute bindata_attr;
         void __iomem *base;
 };
@@ -909,7 +912,7 @@ static ssize_t txx9_sram_read(struct file *filp, struct kobject *kobj,
                               struct bin_attribute *bin_attr,
                               char *buf, loff_t pos, size_t size)
 {
-        struct txx9_sramc_sysdev *dev = bin_attr->private;
+        struct txx9_sramc_dev *dev = bin_attr->private;
         size_t ramsize = bin_attr->size;
 
         if (pos >= ramsize)
@@ -924,7 +927,7 @@ static ssize_t txx9_sram_write(struct file *filp, struct kobject *kobj,
                                struct bin_attribute *bin_attr,
                                char *buf, loff_t pos, size_t size)
 {
-        struct txx9_sramc_sysdev *dev = bin_attr->private;
+        struct txx9_sramc_dev *dev = bin_attr->private;
         size_t ramsize = bin_attr->size;
 
         if (pos >= ramsize)
@@ -937,18 +940,13 @@ static ssize_t txx9_sram_write(struct file *filp, struct kobject *kobj,
 
 void __init txx9_sramc_init(struct resource *r)
 {
-        struct txx9_sramc_sysdev *dev;
+        struct txx9_sramc_dev *dev;
         size_t size;
         int err;
 
-        if (!txx9_sramc_sysdev_class.name) {
-                txx9_sramc_sysdev_class.name = "txx9_sram";
-                err = sysdev_class_register(&txx9_sramc_sysdev_class);
-                if (err) {
-                        txx9_sramc_sysdev_class.name = NULL;
-                        return;
-                }
-        }
+        err = subsys_system_register(&txx9_sramc_subsys, NULL);
+        if (err)
+                return;
         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (!dev)
                 return;
@@ -956,7 +954,7 @@ void __init txx9_sramc_init(struct resource *r)
         dev->base = ioremap(r->start, size);
         if (!dev->base)
                 goto exit;
-        dev->dev.cls = &txx9_sramc_sysdev_class;
+        dev->dev.bus = &txx9_sramc_subsys;
         sysfs_bin_attr_init(&dev->bindata_attr);
         dev->bindata_attr.attr.name = "bindata";
         dev->bindata_attr.attr.mode = S_IRUSR | S_IWUSR;
@@ -964,12 +962,12 @@ void __init txx9_sramc_init(struct resource *r)
         dev->bindata_attr.write = txx9_sram_write;
         dev->bindata_attr.size = size;
         dev->bindata_attr.private = dev;
-        err = sysdev_register(&dev->dev);
+        err = device_register(&dev->dev);
         if (err)
                 goto exit;
         err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
         if (err) {
-                sysdev_unregister(&dev->dev);
+                device_unregister(&dev->dev);
                 goto exit;
         }
         return;