Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a045171f875cd61f690981a78ab98fbd137c938b
Commit: a045171f875cd61f690981a78ab98fbd137c938b
Parent: d7b37889650bb316f5c4ad4b0569ba897120d70d
Author: Greg Kroah-Hartman <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 3 21:16:20 2007 -0700
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Thu Jan 24 20:40:08 2008 -0800
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 <[EMAIL PROTECTED]>
Cc: Kay Sievers <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/misc/ibmasm/command.c | 12 +++---------
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..1a0e797 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);
}
-
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