diff options
| author | Swen Schillig <swen@vnet.ibm.com> | 2008-10-01 12:42:19 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-10-03 12:11:53 -0500 |
| commit | a1b449de5d35b9eec8981c6ea999eea263b19a0b (patch) | |
| tree | 7503d041e1439e08cefc729c28e656e48843966e /drivers/s390/scsi/zfcp_ccw.c | |
| parent | 7ba58c9cc16d296290fe645acb11db2b01276544 (diff) | |
[SCSI] zfcp: Simplify get_adapter_by_busid
Call the helper function from cio instead looping through all zfcp
adapters.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_ccw.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ccw.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 0e1a42f7a4b..3a9bd5451a4 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -224,3 +224,20 @@ int __init zfcp_ccw_register(void) { return ccw_driver_register(&zfcp_ccw_driver); } + +/** + * zfcp_get_adapter_by_busid - find zfcp_adapter struct + * @busid: bus id string of zfcp adapter to find + */ +struct zfcp_adapter *zfcp_get_adapter_by_busid(char *busid) +{ + struct ccw_device *ccw_device; + struct zfcp_adapter *adapter = NULL; + + ccw_device = get_ccwdev_by_busid(&zfcp_ccw_driver, busid); + if (ccw_device) { + adapter = dev_get_drvdata(&ccw_device->dev); + put_device(&ccw_device->dev); + } + return adapter; +} |