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s390/cio: remove subchannel_id from ccw_device_private

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A copy of struct subchannel_id is maintained in ccw_device_private.
The subchannel id is a property of the subchannel. The additional
copy is not needed.

Internal users can obtain it from subchannel.schid - device drivers
can use ccw_device_get_schid().

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2016-07-29 10:43:53 +02:00
committed by Martin Schwidefsky
parent 9080c92494
commit 1ab50a99f8
2 changed files with 0 additions and 3 deletions
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drivers/s390/cio/io_sch.h
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@@ -120,7 +120,6 @@ struct ccw_device_private {
int state; /* device state */
atomic_t onoff;
struct ccw_dev_id dev_id; /* device id */
struct subchannel_id schid; /* subchannel number */
struct ccw_request req; /* internal I/O request */
int iretry;
u8 pgid_valid_mask; /* mask of valid PGIDs */