diff options
Diffstat (limited to 'drivers/rapidio/switches/tsi568.c')
-rw-r--r-- | drivers/rapidio/switches/tsi568.c | 71 |
1 files changed, 62 insertions, 9 deletions
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c index 3994c00..8a43561 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"); |