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powerpc/mpic: create mpic subsystem object 

Register a mpic subsystem at /sys/devices/system/

Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Dongsheng.wang@freescale.com 2013-04-09 10:22:31 +08:00 committed by Scott Wood
parent 36ca09be6f
commit 9e6f31a9db
2 changed files with 10 additions and 0 deletions
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2
arch/powerpc/include/asm/mpic.h
View File

@ -339,6 +339,8 @@ struct mpic
#endif #endif
}; };
extern struct bus_type mpic_subsys;
/* /*
* MPIC flags (passed to mpic_alloc) * MPIC flags (passed to mpic_alloc)
* *

8
arch/powerpc/sysdev/mpic.c
View File

@ -48,6 +48,12 @@
#define DBG(fmt...) #define DBG(fmt...)
#endif #endif
struct bus_type mpic_subsys = {
.name = "mpic",
.dev_name = "mpic",
};
EXPORT_SYMBOL_GPL(mpic_subsys);
static struct mpic *mpics; static struct mpic *mpics;
static struct mpic *mpic_primary; static struct mpic *mpic_primary;
static DEFINE_RAW_SPINLOCK(mpic_lock); static DEFINE_RAW_SPINLOCK(mpic_lock);
@ -2035,6 +2041,8 @@ static struct syscore_ops mpic_syscore_ops = {
static int mpic_init_sys(void) static int mpic_init_sys(void)
{ {
register_syscore_ops(&mpic_syscore_ops); register_syscore_ops(&mpic_syscore_ops);
subsys_system_register(&mpic_subsys, NULL);
return 0; return 0;
} }