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path: root/drivers/s390/cio/scm.c
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Diffstat (limited to 'drivers/s390/cio/scm.c')
-rw-r--r--drivers/s390/cio/scm.c45
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/s390/cio/scm.c b/drivers/s390/cio/scm.c
index 46ec25632e8b..15268edc54ae 100644
--- a/drivers/s390/cio/scm.c
+++ b/drivers/s390/cio/scm.c
@@ -15,8 +15,6 @@
15#include "chsc.h" 15#include "chsc.h"
16 16
17static struct device *scm_root; 17static struct device *scm_root;
18static struct eadm_ops *eadm_ops;
19static DEFINE_MUTEX(eadm_ops_mutex);
20 18
21#define to_scm_dev(n) container_of(n, struct scm_device, dev) 19#define to_scm_dev(n) container_of(n, struct scm_device, dev)
22#define to_scm_drv(d) container_of(d, struct scm_driver, drv) 20#define to_scm_drv(d) container_of(d, struct scm_driver, drv)
@@ -73,49 +71,6 @@ void scm_driver_unregister(struct scm_driver *scmdrv)
73} 71}
74EXPORT_SYMBOL_GPL(scm_driver_unregister); 72EXPORT_SYMBOL_GPL(scm_driver_unregister);
75 73
76int scm_get_ref(void)
77{
78 int ret = 0;
79
80 mutex_lock(&eadm_ops_mutex);
81 if (!eadm_ops || !try_module_get(eadm_ops->owner))
82 ret = -ENOENT;
83 mutex_unlock(&eadm_ops_mutex);
84
85 return ret;
86}
87EXPORT_SYMBOL_GPL(scm_get_ref);
88
89void scm_put_ref(void)
90{
91 mutex_lock(&eadm_ops_mutex);
92 module_put(eadm_ops->owner);
93 mutex_unlock(&eadm_ops_mutex);
94}
95EXPORT_SYMBOL_GPL(scm_put_ref);
96
97void register_eadm_ops(struct eadm_ops *ops)
98{
99 mutex_lock(&eadm_ops_mutex);
100 eadm_ops = ops;
101 mutex_unlock(&eadm_ops_mutex);
102}
103EXPORT_SYMBOL_GPL(register_eadm_ops);
104
105void unregister_eadm_ops(struct eadm_ops *ops)
106{
107 mutex_lock(&eadm_ops_mutex);
108 eadm_ops = NULL;
109 mutex_unlock(&eadm_ops_mutex);
110}
111EXPORT_SYMBOL_GPL(unregister_eadm_ops);
112
113int scm_start_aob(struct aob *aob)
114{
115 return eadm_ops->eadm_start(aob);
116}
117EXPORT_SYMBOL_GPL(scm_start_aob);
118
119void scm_irq_handler(struct aob *aob, int error) 74void scm_irq_handler(struct aob *aob, int error)
120{ 75{
121 struct aob_rq_header *aobrq = (void *) aob->request.data; 76 struct aob_rq_header *aobrq = (void *) aob->request.data;