diff options
author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2014-05-07 13:27:21 +0200 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-05-20 08:58:53 +0200 |
commit | 2bf29df7460f4038f84ac5dea3cbe582d6d4af82 (patch) | |
tree | f3c8fc9a1199da5a2d0426cc509d145097c22894 /drivers/s390/cio/device_ops.c | |
parent | s390/spinlock: fix system hang with spin_retry <= 0 (diff) | |
download | linux-2bf29df7460f4038f84ac5dea3cbe582d6d4af82.tar.xz linux-2bf29df7460f4038f84ac5dea3cbe582d6d4af82.zip |
s390/cio: fix multiple structure definitions
Fix multiple definitions of struct channel_path_desc by moving it
to asm/chpid.h . Also change ccw_device_get_chp_desc to use proper
types.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device_ops.c')
-rw-r--r-- | drivers/s390/cio/device_ops.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index 4845d64f2842..f3c417943dad 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -563,14 +563,23 @@ out_unlock: return rc; } -void *ccw_device_get_chp_desc(struct ccw_device *cdev, int chp_no) +/** + * chp_get_chp_desc - return newly allocated channel-path descriptor + * @cdev: device to obtain the descriptor for + * @chp_idx: index of the channel path + * + * On success return a newly allocated copy of the channel-path description + * data associated with the given channel path. Return %NULL on error. + */ +struct channel_path_desc *ccw_device_get_chp_desc(struct ccw_device *cdev, + int chp_idx) { struct subchannel *sch; struct chp_id chpid; sch = to_subchannel(cdev->dev.parent); chp_id_init(&chpid); - chpid.id = sch->schib.pmcw.chpid[chp_no]; + chpid.id = sch->schib.pmcw.chpid[chp_idx]; return chp_get_chp_desc(chpid); } |