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path: root/drivers/rapidio/switches/tsi568.c
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Diffstat (limited to 'drivers/rapidio/switches/tsi568.c')
-rw-r--r--drivers/rapidio/switches/tsi568.c71
1 files changed, 62 insertions, 9 deletions
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index 3994c00aa01f..8a43561b9d17 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -19,6 +19,7 @@
#include <linux/rio_drv.h>
#include <linux/rio_ids.h>
#include <linux/delay.h>
+#include <linux/module.h>
#include "../rio.h"
/* Global (broadcast) route registers */
@@ -129,18 +130,70 @@ tsi568_em_init(struct rio_dev *rdev)
return 0;
}
-static int tsi568_switch_init(struct rio_dev *rdev, int do_enum)
+static struct rio_switch_ops tsi568_switch_ops = {
+ .owner = THIS_MODULE,
+ .add_entry = tsi568_route_add_entry,
+ .get_entry = tsi568_route_get_entry,
+ .clr_table = tsi568_route_clr_table,
+ .set_domain = NULL,
+ .get_domain = NULL,
+ .em_init = tsi568_em_init,
+ .em_handle = NULL,
+};
+
+static int tsi568_probe(struct rio_dev *rdev, const struct rio_device_id *id)
{
pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
- rdev->rswitch->add_entry = tsi568_route_add_entry;
- rdev->rswitch->get_entry = tsi568_route_get_entry;
- rdev->rswitch->clr_table = tsi568_route_clr_table;
- rdev->rswitch->set_domain = NULL;
- rdev->rswitch->get_domain = NULL;
- rdev->rswitch->em_init = tsi568_em_init;
- rdev->rswitch->em_handle = NULL;
+ spin_lock(&rdev->rswitch->lock);
+
+ if (rdev->rswitch->ops) {
+ spin_unlock(&rdev->rswitch->lock);
+ return -EINVAL;
+ }
+
+ rdev->rswitch->ops = &tsi568_switch_ops;
+ spin_unlock(&rdev->rswitch->lock);
return 0;
}
-DECLARE_RIO_SWITCH_INIT(RIO_VID_TUNDRA, RIO_DID_TSI568, tsi568_switch_init);
+static void tsi568_remove(struct rio_dev *rdev)
+{
+ pr_debug("RIO: %s for %s\n", __func__, rio_name(rdev));
+ spin_lock(&rdev->rswitch->lock);
+ if (rdev->rswitch->ops != &tsi568_switch_ops) {
+ spin_unlock(&rdev->rswitch->lock);
+ return;
+ }
+ rdev->rswitch->ops = NULL;
+ spin_unlock(&rdev->rswitch->lock);
+}
+
+static struct rio_device_id tsi568_id_table[] = {
+ {RIO_DEVICE(RIO_DID_TSI568, RIO_VID_TUNDRA)},
+ { 0, } /* terminate list */
+};
+
+static struct rio_driver tsi568_driver = {
+ .name = "tsi568",
+ .id_table = tsi568_id_table,
+ .probe = tsi568_probe,
+ .remove = tsi568_remove,
+};
+
+static int __init tsi568_init(void)
+{
+ return rio_register_driver(&tsi568_driver);
+}
+
+static void __exit tsi568_exit(void)
+{
+ rio_unregister_driver(&tsi568_driver);
+}
+
+device_initcall(tsi568_init);
+module_exit(tsi568_exit);
+
+MODULE_DESCRIPTION("IDT Tsi568 Serial RapidIO switch driver");
+MODULE_AUTHOR("Integrated Device Technology, Inc.");
+MODULE_LICENSE("GPL");