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authorJames Morris <james.l.morris@oracle.com>2012-10-11 18:40:09 +0800
committerJames Morris <james.l.morris@oracle.com>2012-10-11 18:40:09 +0800
commitbb95a0d73bb69d73c16d32c10a0c31a32abddb03 (patch)
tree1ed36ec9effac9185636446fd445b11db6a15ad7 /drivers/char
parent12250d843e8489ee00b5b7726da855e51694e792 (diff)
parent1631cfb7cee28388b04aef6c0a73050f6fd76e4d (diff)
Merge branch 'tpmdd-fixes-v3.6' of git://github.com/shpedoikal/linux into for-linus
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm.c3
-rw-r--r--drivers/char/tpm/tpm.h9
-rw-r--r--drivers/char/tpm/tpm_ppi.c18
3 files changed, 19 insertions, 11 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index f26afdb1a702..b429f1ea1b97 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1259,6 +1259,7 @@ void tpm_remove_hardware(struct device *dev)
misc_deregister(&chip->vendor.miscdev);
sysfs_remove_group(&dev->kobj, chip->vendor.attr_group);
+ tpm_remove_ppi(&dev->kobj);
tpm_bios_log_teardown(chip->bios_dir);
/* write it this way to be explicit (chip->dev == dev) */
@@ -1476,7 +1477,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
goto put_device;
}
- if (sys_add_ppi(&dev->kobj)) {
+ if (tpm_add_ppi(&dev->kobj)) {
misc_deregister(&chip->vendor.miscdev);
goto put_device;
}
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 02c266aa2bf7..8ef7649a50aa 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -329,10 +329,15 @@ extern int wait_for_tpm_stat(struct tpm_chip *, u8, unsigned long,
wait_queue_head_t *);
#ifdef CONFIG_ACPI
-extern ssize_t sys_add_ppi(struct kobject *parent);
+extern int tpm_add_ppi(struct kobject *);
+extern void tpm_remove_ppi(struct kobject *);
#else
-static inline ssize_t sys_add_ppi(struct kobject *parent)
+static inline int tpm_add_ppi(struct kobject *parent)
{
return 0;
}
+
+static inline void tpm_remove_ppi(struct kobject *parent)
+{
+}
#endif
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index f27b58cfae98..720ebcf29fdf 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -444,18 +444,20 @@ static struct attribute *ppi_attrs[] = {
&dev_attr_vs_operations.attr, NULL,
};
static struct attribute_group ppi_attr_grp = {
+ .name = "ppi",
.attrs = ppi_attrs
};
-ssize_t sys_add_ppi(struct kobject *parent)
+int tpm_add_ppi(struct kobject *parent)
{
- struct kobject *ppi;
- ppi = kobject_create_and_add("ppi", parent);
- if (sysfs_create_group(ppi, &ppi_attr_grp))
- return -EFAULT;
- else
- return 0;
+ return sysfs_create_group(parent, &ppi_attr_grp);
+}
+EXPORT_SYMBOL_GPL(tpm_add_ppi);
+
+void tpm_remove_ppi(struct kobject *parent)
+{
+ sysfs_remove_group(parent, &ppi_attr_grp);
}
-EXPORT_SYMBOL_GPL(sys_add_ppi);
+EXPORT_SYMBOL_GPL(tpm_remove_ppi);
MODULE_LICENSE("GPL");