aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/ibmasm/command.c12
-rw-r--r--drivers/misc/ibmasm/ibmasm.h10
2 files changed, 9 insertions, 13 deletions
diff --git a/drivers/misc/ibmasm/command.c b/drivers/misc/ibmasm/command.c
index 6497872df524..1a0e7978226a 100644
--- a/drivers/misc/ibmasm/command.c
+++ b/drivers/misc/ibmasm/command.c
@@ -26,11 +26,6 @@
26#include "lowlevel.h" 26#include "lowlevel.h"
27 27
28static void exec_next_command(struct service_processor *sp); 28static void exec_next_command(struct service_processor *sp);
29static void free_command(struct kobject *kobj);
30
31static struct kobj_type ibmasm_cmd_kobj_type = {
32 .release = free_command,
33};
34 29
35static atomic_t command_count = ATOMIC_INIT(0); 30static atomic_t command_count = ATOMIC_INIT(0);
36 31
@@ -53,8 +48,7 @@ struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_s
53 } 48 }
54 cmd->buffer_size = buffer_size; 49 cmd->buffer_size = buffer_size;
55 50
56 kobject_init(&cmd->kobj); 51 kref_init(&cmd->kref);
57 cmd->kobj.ktype = &ibmasm_cmd_kobj_type;
58 cmd->lock = &sp->lock; 52 cmd->lock = &sp->lock;
59 53
60 cmd->status = IBMASM_CMD_PENDING; 54 cmd->status = IBMASM_CMD_PENDING;
@@ -67,9 +61,9 @@ struct command *ibmasm_new_command(struct service_processor *sp, size_t buffer_s
67 return cmd; 61 return cmd;
68} 62}
69 63
70static void free_command(struct kobject *kobj) 64void ibmasm_free_command(struct kref *kref)
71{ 65{
72 struct command *cmd = to_command(kobj); 66 struct command *cmd = to_command(kref);
73 67
74 list_del(&cmd->queue_node); 68 list_del(&cmd->queue_node);
75 atomic_dec(&command_count); 69 atomic_dec(&command_count);
diff --git a/drivers/misc/ibmasm/ibmasm.h b/drivers/misc/ibmasm/ibmasm.h
index de860bc6d3f5..4d8a4e248b34 100644
--- a/drivers/misc/ibmasm/ibmasm.h
+++ b/drivers/misc/ibmasm/ibmasm.h
@@ -31,6 +31,7 @@
31#include <linux/slab.h> 31#include <linux/slab.h>
32#include <linux/module.h> 32#include <linux/module.h>
33#include <linux/interrupt.h> 33#include <linux/interrupt.h>
34#include <linux/kref.h>
34#include <linux/device.h> 35#include <linux/device.h>
35#include <linux/input.h> 36#include <linux/input.h>
36 37
@@ -92,24 +93,25 @@ struct command {
92 unsigned char *buffer; 93 unsigned char *buffer;
93 size_t buffer_size; 94 size_t buffer_size;
94 int status; 95 int status;
95 struct kobject kobj; 96 struct kref kref;
96 spinlock_t *lock; 97 spinlock_t *lock;
97}; 98};
98#define to_command(c) container_of(c, struct command, kobj) 99#define to_command(c) container_of(c, struct command, kref)
99 100
101void ibmasm_free_command(struct kref *kref);
100static inline void command_put(struct command *cmd) 102static inline void command_put(struct command *cmd)
101{ 103{
102 unsigned long flags; 104 unsigned long flags;
103 spinlock_t *lock = cmd->lock; 105 spinlock_t *lock = cmd->lock;
104 106
105 spin_lock_irqsave(lock, flags); 107 spin_lock_irqsave(lock, flags);
106 kobject_put(&cmd->kobj); 108 kref_put(&cmd->kref, ibmasm_free_command);
107 spin_unlock_irqrestore(lock, flags); 109 spin_unlock_irqrestore(lock, flags);
108} 110}
109 111
110static inline void command_get(struct command *cmd) 112static inline void command_get(struct command *cmd)
111{ 113{
112 kobject_get(&cmd->kobj); 114 kref_get(&cmd->kref);
113} 115}
114 116
115 117