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authorStefan Richter <stefanr@s5r6.in-berlin.de>2008-05-19 22:07:28 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2008-07-14 13:06:02 +0200
commit055a7da0bb7b14f2f5009bf1c486a6e965e1e7ac (patch)
tree8c7fa74a6c910796cf774b0867e062ddd9919282 /drivers/ieee1394/highlevel.h
parentfde675fa2a1b07108976b42b20c9e69c80a53248 (diff)
downloadop-kernel-dev-055a7da0bb7b14f2f5009bf1c486a6e965e1e7ac.zip
op-kernel-dev-055a7da0bb7b14f2f5009bf1c486a6e965e1e7ac.tar.gz
ieee1394: video1394: reorder module init, prepare BKL removal
This prepares video1394 for removal of the BKL (big kernel lock): It allows video1394_open() to be called while video1394_init_module() is still in progress. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394/highlevel.h')
-rw-r--r--drivers/ieee1394/highlevel.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h
index eb9fe32..bc5d085 100644
--- a/drivers/ieee1394/highlevel.h
+++ b/drivers/ieee1394/highlevel.h
@@ -2,7 +2,7 @@
#define IEEE1394_HIGHLEVEL_H
#include <linux/list.h>
-#include <linux/spinlock_types.h>
+#include <linux/spinlock.h>
#include <linux/types.h>
struct module;
@@ -103,6 +103,17 @@ int highlevel_lock64(struct hpsb_host *host, int nodeid, octlet_t *store,
void highlevel_fcp_request(struct hpsb_host *host, int nodeid, int direction,
void *data, size_t length);
+/**
+ * hpsb_init_highlevel - initialize a struct hpsb_highlevel
+ *
+ * This is only necessary if hpsb_get_hostinfo_bykey can be called
+ * before hpsb_register_highlevel.
+ */
+static inline void hpsb_init_highlevel(struct hpsb_highlevel *hl)
+{
+ rwlock_init(&hl->host_info_lock);
+ INIT_LIST_HEAD(&hl->host_info_list);
+}
void hpsb_register_highlevel(struct hpsb_highlevel *hl);
void hpsb_unregister_highlevel(struct hpsb_highlevel *hl);
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