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linux_dsm_epyc7002/drivers/s390/cio
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Sebastian Ott 1bc8927cc5 s390/cio: improve cio_commit_config 
The modify subchannel wrapper cio_commit_config can fail when
(unexpected) status is pending on the subchannel.

Callers of cio_commit_config (that operated on enabled subchannels)
needed to do error handling for that case (clear the unexpected
status with test subchannel and retry). This error handling is
missing in some code paths and caused online setting of devices to
fail.

Fix this for all callers by moving the error handling inside
cio_commit_config.

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>
2014-02-06 11:21:23 +01:00
..
airq.c s390/bitops: rename find_first_bit_left() to find_first_bit_inv() 2013-10-24 17:16:56 +02:00
blacklist.c s390/blacklist: Perform subchannel scan only when needed 2013-12-16 14:37:43 +01:00
blacklist.h
ccwgroup.c s390/cio: use device_lock to synchronize calls to the ccwgroup driver 2013-12-16 14:38:03 +01:00
ccwreq.c [S390] cio: add message for timeouts on internal I/O 2011-10-30 15:16:41 +01:00
chp.c s390/cio: add channel ID sysfs attribute 2013-05-15 16:47:39 +02:00
chp.h s390/cio: collect format 1 channel-path description data 2013-04-17 14:07:26 +02:00
chsc_sch.c s390/chsc: Use snprintf instead of sprintf 2013-06-26 21:10:16 +02:00
chsc_sch.h [S390] cio: Add chsc subchannel driver. 2008-07-14 10:02:12 +02:00
chsc.c s390/qdio: bridgeport support - CHSC part 2014-01-14 15:16:09 +01:00
chsc.h s390/qdio: bridgeport support - CHSC part 2014-01-14 15:16:09 +01:00
cio_debug.h [S390] cio: Remove cio_msg kernel parameter. 2008-05-07 09:23:01 +02:00
cio.c s390/cio: improve cio_commit_config 2014-02-06 11:21:23 +01:00
cio.h s390: convert interrupt handling to use generic hardirq 2013-08-22 12:20:04 +02:00
cmf.c s390: replace strict_strtoul() with kstrtoul() 2013-08-22 12:20:00 +02:00
crw.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
css.c s390/css: Prevent unnecessary allocation in subchannel loop 2013-12-16 14:37:42 +01:00
css.h s390/cio: Delay scan for newly available I/O devices 2013-12-16 14:37:41 +01:00
device_fsm.c s390/time: rename tod clock access functions 2013-02-14 15:55:10 +01:00
device_id.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device_ops.c s390/cio: make use of newly added format 1 channel-path data 2013-04-17 14:07:26 +02:00
device_pgid.c s390/cio: handle unknown pgroup state 2013-02-14 15:55:09 +01:00
device_status.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device.c s390/cio: use device_lock to synchronize calls to the ccw driver 2013-12-16 14:38:02 +01:00
device.h s390/cio: fix early init counter usage 2013-04-17 14:07:33 +02:00
eadm_sch.c s390/scm_block: do not hide eadm subchannel dependency 2013-11-15 14:08:42 +01:00
eadm_sch.h s390/eadm_sch: improve quiesce handling 2013-10-24 17:16:58 +02:00
fcx.c [S390] drivers: Correct size given to memset 2009-12-18 17:43:32 +01:00
idset.c s390/cio: Use BITS_TO_LONGS() instead of __BITOPS_WORDS() 2013-04-17 14:07:29 +02:00
idset.h s390/css: stop stsch loop after cc 3 2012-10-18 17:50:08 +02:00
io_sch.h s390/cio: dont abort verification after missing irq 2013-02-14 15:55:07 +01:00
ioasm.h [S390] cio: move asms to generic header 2011-03-15 17:08:23 +01:00
isc.c [S390] cio: introduce isc_(un)register functions. 2008-07-14 10:02:11 +02:00
itcw.c [S390] cio: reduce memory consumption of itcw structures 2011-01-05 12:47:29 +01:00
Makefile s390/cio: add eadm subchannel driver 2012-09-26 15:45:00 +02:00
orb.h s390: add eadm related structures 2012-09-26 15:44:57 +02:00
qdio_debug.c constify a bunch of struct file_operations instances 2013-04-09 14:16:20 -04:00
qdio_debug.h s390/s390dbf: use debug_level_enabled() where applicable 2013-10-24 17:16:54 +02:00
qdio_main.c s390/qdio: correct program-controlled interruption checking 2014-01-29 09:07:50 +01:00
qdio_setup.c s390/qdio: cleanup chsc SSQD usage 2013-06-26 21:10:14 +02:00
qdio_thinint.c s390/airq: simplify adapter interrupt code 2013-06-26 21:10:28 +02:00
qdio.h s390/qdio: for_each macro correctness 2014-01-29 09:07:50 +01:00
scm.c s390/scm_block: do not hide eadm subchannel dependency 2013-11-15 14:08:42 +01:00