diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2007-12-03 21:16:20 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-01-24 20:40:08 -0800 |
commit | a045171f875cd61f690981a78ab98fbd137c938b (patch) | |
tree | 322884aeee9d5f5413e9c874be9d0601fef61630 /drivers/misc | |
parent | d7b37889650bb316f5c4ad4b0569ba897120d70d (diff) | |
download | op-kernel-dev-a045171f875cd61f690981a78ab98fbd137c938b.zip op-kernel-dev-a045171f875cd61f690981a78ab98fbd137c938b.tar.gz |
kobject: convert ibmasm to use kref, not kobject
The IBM asm driver is using a kobject only for reference counting,
nothing else. So switch it to use a kref instead, which is all that is
needed, and is much smaller.
Cc: Max Asböck <amax@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/ibmasm/command.c | 12 | ||||
-rw-r--r-- | drivers/misc/ibmasm/ibmasm.h | 10 |
2 files changed, 9 insertions, 13 deletions
diff --git a/drivers/misc/ibmasm/command.c b/drivers/misc/ibmasm/command.c index 6497872..1a0e7978 100644 --- a/drivers/misc/ibmasm/command.c +++ b/drivers/misc/ibmasm/command.c @@ -26,11 +26,6 @@ #include "lowlevel.h" static void exec_next_command(struct service_processor *sp); -static void free_command(struct kobject *kobj); - -static struct kobj_type ibmasm_cmd_kobj_type = { - .release = free_command, -}; static atomic_t command_count = ATOMIC_INIT(0); @@ -53,8 +48,7 @@ struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_s } cmd->buffer_size = buffer_size; - kobject_init(&cmd->kobj); - cmd->kobj.ktype = &ibmasm_cmd_kobj_type; + kref_init(&cmd->kref); cmd->lock = &sp->lock; cmd->status = IBMASM_CMD_PENDING; @@ -67,9 +61,9 @@ struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_s return cmd; } -static void free_command(struct kobject *kobj) +void ibmasm_free_command(struct kref *kref) { - struct command *cmd = to_command(kobj); + struct command *cmd = to_command(kref); list_del(&cmd->queue_node); atomic_dec(&command_count); diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h index de860bc..4d8a4e2 100644 --- a/drivers/misc/ibmasm/ibmasm.h +++ b/drivers/misc/ibmasm/ibmasm.h @@ -31,6 +31,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/interrupt.h> +#include <linux/kref.h> #include <linux/device.h> #include <linux/input.h> @@ -92,24 +93,25 @@ struct command { unsigned char *buffer; size_t buffer_size; int status; - struct kobject kobj; + struct kref kref; spinlock_t *lock; }; -#define to_command(c) container_of(c, struct command, kobj) +#define to_command(c) container_of(c, struct command, kref) +void ibmasm_free_command(struct kref *kref); static inline void command_put(struct command *cmd) { unsigned long flags; spinlock_t *lock = cmd->lock; spin_lock_irqsave(lock, flags); - kobject_put(&cmd->kobj); + kref_put(&cmd->kref, ibmasm_free_command); spin_unlock_irqrestore(lock, flags); } static inline void command_get(struct command *cmd) { - kobject_get(&cmd->kobj); + kref_get(&cmd->kref); } |