arm: 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: Kukjin Kim <kgene.kim@samsung.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Boojin Kim <boojin.kim@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 14 insertions, 11 deletions

diff --git a/arch/arm/mach-s5p64x0/cpu.c b/arch/arm/mach-s5p64x0/cpu.c
index ecab40cf19ab..8b029901d919 100644
--- a/arch/arm/mach-s5p64x0/cpu.c
+++ b/arch/arm/mach-s5p64x0/cpu.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/serial_core.h>
 #include <linux/platform_device.h>
 #include <linux/sched.h>
@@ -190,17 +190,18 @@ void __init s5p6450_init_irq(void)
         s5p_init_irq(vic, ARRAY_SIZE(vic));
 }
 
-struct sysdev_class s5p64x0_sysclass = {
-        .name   = "s5p64x0-core",
+struct bus_type s5p64x0_subsys = {
+        .name           = "s5p64x0-core",
+        .dev_name       = "s5p64x0-core",
 };
 
-static struct sys_device s5p64x0_sysdev = {
-        .cls    = &s5p64x0_sysclass,
+static struct device s5p64x0_subsys = {
+        .bus    = &s5p64x0_subsys,
 };
 
 static int __init s5p64x0_core_init(void)
 {
-        return sysdev_class_register(&s5p64x0_sysclass);
+        return subsys_system_register(&s5p64x0_subsys, NULL);
 }
 core_initcall(s5p64x0_core_init);
 
@@ -211,5 +212,5 @@ int __init s5p64x0_init(void)
         /* set idle function */
         pm_idle = s5p64x0_idle;
 
-        return sysdev_register(&s5p64x0_sysdev);
+        return device_register(&s5p64x0_dev);
 }
diff --git a/arch/arm/mach-s5p64x0/pm.c b/arch/arm/mach-s5p64x0/pm.c
index 69927243d25f..23f9b22439c9 100644
--- a/arch/arm/mach-s5p64x0/pm.c
+++ b/arch/arm/mach-s5p64x0/pm.c
@@ -160,7 +160,7 @@ static void s5p64x0_pm_prepare(void)
 
 }
 
-static int s5p64x0_pm_add(struct sys_device *sysdev)
+static int s5p64x0_pm_add(struct device *dev)
 {
         pm_cpu_prep = s5p64x0_pm_prepare;
         pm_cpu_sleep = s5p64x0_cpu_suspend;
@@ -169,15 +169,17 @@ static int s5p64x0_pm_add(struct sys_device *sysdev)
         return 0;
 }
 
-static struct sysdev_driver s5p64x0_pm_driver = {
-        .add            = s5p64x0_pm_add,
+static struct subsys_interface s5p64x0_pm_interface = {
+        .name           = "s5p64x0_pm",
+        .subsys         = &s5p64x0_subsys,
+        .add_dev        = s5p64x0_pm_add,
 };
 
 static __init int s5p64x0_pm_drvinit(void)
 {
         s3c_pm_init();
 
-        return sysdev_driver_register(&s5p64x0_sysclass, &s5p64x0_pm_driver);
+        return subsys_interface_register(&s5p64x0_pm_interface);
 }
 arch_initcall(s5p64x0_pm_drvinit);