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31a38ef0a5
linux/drivers/scsi/libsas
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Dan Williams b4698d8858 [SCSI] Revert "[SCSI] libsas: fix sas port naming" 
This reverts commit a692b0eec5.

Tom reports:

[    8.741033] ------------[ cut here ]------------
[    8.741038] WARNING: at fs/sysfs/dir.c:508 sysfs_add_one+0xc1/0xf0()
[    8.741040] Hardware name: To Be Filled By O.E.M.
[    8.741041] sysfs: cannot create duplicate filename

...and missing 2 out of 4 drives connected to mvsas.  Commit a692b0ee
made the assumption that all the phy ids an lldd registers to libsas are
unique.  However, in the "multi-chip" case mvsas does a rather annoying
duplication of phy ids in the array passed to libsas.  So, for example,
chip0 has phy0-3 at ha phy index 0-3 and chip1 has its phy0-3 at ha phy
index 4-7.  The more natural model would be to create a scsi_host (and
sas_ha) per chip (controller), but for now revert the naming fix which
unfortunately means dealing with unpredictable end-device names for a
bit longer.

Cc: Xiangliang Yu <yuxiangl@marvell.com>
Cc: Patrick Thomson <patrick.s.thomson@intel.com>
Reported-by: Tom Rini <trini@ti.com>
Tested-by: Tom Rini <trini@ti.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-04-23 12:15:53 +01:00
..
Kconfig [SCSI] libsas: convert to standard kernel debugging 2011-01-24 12:05:38 -06:00
Makefile Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
sas_ata.c [SCSI] libsas, libata: fix start of life for a sas ata_port 2012-04-23 12:11:47 +01:00
sas_discover.c [SCSI] libsas, libata: fix start of life for a sas ata_port 2012-04-23 12:11:47 +01:00
sas_dump.c [SCSI] libsas: convert to standard kernel debugging 2011-01-24 12:05:38 -06:00
sas_dump.h [SCSI] libsas: convert to standard kernel debugging 2011-01-24 12:05:38 -06:00
sas_event.c [SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work 2012-04-23 12:03:39 +01:00
sas_expander.c [SCSI] libsas: fix false positive 'device attached' conditions 2012-04-23 12:14:09 +01:00
sas_host_smp.c SCSI updates on 20120319 2012-03-22 12:55:29 -07:00
sas_init.c [SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work 2012-04-23 12:03:39 +01:00
sas_internal.h [SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work 2012-04-23 12:03:39 +01:00
sas_phy.c [SCSI] libsas: introduce sas_work to fix sas_drain_work vs sas_queue_work 2012-04-23 12:03:39 +01:00
sas_port.c [SCSI] Revert "[SCSI] libsas: fix sas port naming" 2012-04-23 12:15:53 +01:00
sas_scsi_host.c [SCSI] libsas: don't recover end devices attached to disabled phys 2012-02-29 15:42:51 -06:00
sas_task.c scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required 2011-10-31 19:31:23 -04:00