m86k: gpio - 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: Geert Uytterhoeven <[e-mail]>
Cc: Greg Ungerer <[e-mail]>
Signed-off-by: Kay Sievers <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

arch/m68k/platform/coldfire/gpio.c

···
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 
 #include <asm/gpio.h>
 #include <asm/pinmux.h>
···
 		mcf_pinmux_release(mcf_chip->gpio_to_pinmux[offset], 0);
 }
 
-struct sysdev_class mcf_gpio_sysclass = {
-	.name	= "gpio",
+struct bus_type mcf_gpio_subsys = {
+	.name		= "gpio",
+	.dev_name	= "gpio",
 };
 
 static int __init mcf_gpio_sysinit(void)
 {
-	return sysdev_class_register(&mcf_gpio_sysclass);
+	return subsys_system_register(&mcf_gpio_subsys, NULL);
 }
 
 core_initcall(mcf_gpio_sysinit);