diff options
Diffstat (limited to 'drivers/s390/net/claw.c')
-rw-r--r-- | drivers/s390/net/claw.c | 82 |
1 files changed, 72 insertions, 10 deletions
diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index c63babefb698..3c77bfe0764c 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -90,7 +90,6 @@ #include <linux/timer.h> #include <linux/types.h> -#include "cu3088.h" #include "claw.h" /* @@ -258,6 +257,9 @@ static int claw_pm_prepare(struct ccwgroup_device *gdev) return -EPERM; } +/* the root device for claw group devices */ +static struct device *claw_root_dev; + /* ccwgroup table */ static struct ccwgroup_driver claw_group_driver = { @@ -272,6 +274,47 @@ static struct ccwgroup_driver claw_group_driver = { .prepare = claw_pm_prepare, }; +static struct ccw_device_id claw_ids[] = { + {CCW_DEVICE(0x3088, 0x61), .driver_info = claw_channel_type_claw}, + {}, +}; +MODULE_DEVICE_TABLE(ccw, claw_ids); + +static struct ccw_driver claw_ccw_driver = { + .owner = THIS_MODULE, + .name = "claw", + .ids = claw_ids, + .probe = ccwgroup_probe_ccwdev, + .remove = ccwgroup_remove_ccwdev, +}; + +static ssize_t +claw_driver_group_store(struct device_driver *ddrv, const char *buf, + size_t count) +{ + int err; + err = ccwgroup_create_from_string(claw_root_dev, + claw_group_driver.driver_id, + &claw_ccw_driver, 3, buf); + return err ? err : count; +} + +static DRIVER_ATTR(group, 0200, NULL, claw_driver_group_store); + +static struct attribute *claw_group_attrs[] = { + &driver_attr_group.attr, + NULL, +}; + +static struct attribute_group claw_group_attr_group = { + .attrs = claw_group_attrs, +}; + +static const struct attribute_group *claw_group_attr_groups[] = { + &claw_group_attr_group, + NULL, +}; + /* * Key functions */ @@ -3326,7 +3369,11 @@ claw_remove_files(struct device *dev) static void __exit claw_cleanup(void) { - unregister_cu3088_discipline(&claw_group_driver); + driver_remove_file(&claw_group_driver.driver, + &driver_attr_group); + ccwgroup_driver_unregister(&claw_group_driver); + ccw_driver_unregister(&claw_ccw_driver); + root_device_unregister(claw_root_dev); claw_unregister_debug_facility(); pr_info("Driver unloaded\n"); @@ -3348,16 +3395,31 @@ claw_init(void) if (ret) { pr_err("Registering with the S/390 debug feature" " failed with error code %d\n", ret); - return ret; + goto out_err; } CLAW_DBF_TEXT(2, setup, "init_mod"); - ret = register_cu3088_discipline(&claw_group_driver); - if (ret) { - CLAW_DBF_TEXT(2, setup, "init_bad"); - claw_unregister_debug_facility(); - pr_err("Registering with the cu3088 device driver failed " - "with error code %d\n", ret); - } + claw_root_dev = root_device_register("qeth"); + ret = IS_ERR(claw_root_dev) ? PTR_ERR(claw_root_dev) : 0; + if (ret) + goto register_err; + ret = ccw_driver_register(&claw_ccw_driver); + if (ret) + goto ccw_err; + claw_group_driver.driver.groups = claw_group_attr_groups; + ret = ccwgroup_driver_register(&claw_group_driver); + if (ret) + goto ccwgroup_err; + return 0; + +ccwgroup_err: + ccw_driver_unregister(&claw_ccw_driver); +ccw_err: + root_device_unregister(claw_root_dev); +register_err: + CLAW_DBF_TEXT(2, setup, "init_bad"); + claw_unregister_debug_facility(); +out_err: + pr_err("Initializing the claw device driver failed\n"); return ret; } |