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| author | Dan Williams <[email protected]> | 2013-10-23 01:35:19 +0000 |
|---|---|---|
| committer | James Bottomley <[email protected]> | 2013-11-27 07:01:07 +0000 |
| commit | ae5fbae0ccd982dfca0ce363036ed92f5b13f150 (patch) | |
| tree | 53dbca1b30f77fa7d0e6bbc7fb42ea280a04ae52 /drivers/scsi/pmcraid.c | |
| parent | Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 (diff) | |
| download | kernel-ae5fbae0ccd982dfca0ce363036ed92f5b13f150.tar.gz kernel-ae5fbae0ccd982dfca0ce363036ed92f5b13f150.zip | |
[SCSI] libsas: fix usage of ata_tf_to_fis
Since commit 110dd8f19df5 "[SCSI] libsas: fix scr_read/write users and
update the libata documentation" we have been passing pmp=1 and is_cmd=0
to ata_tf_to_fis(). Praveen reports that eSATA attached drives do not
discover correctly. His investigation found that the BIOS was passing
pmp=0 while Linux was passing pmp=1 and failing to discover the drives.
Update libsas to follow the libata example of pulling the pmp setting
from the ata_link and correct is_cmd to be 1 since all tf's submitted
through ->qc_issue are commands. Presumably libsas lldds do not care
about is_cmd as they have sideband mechanisms to perform link
management.
http://marc.info/?l=linux-scsi&m=138179681726990
[jejb: checkpatch fix]
Signed-off-by: Dan Williams <[email protected]>
Reported-by: Praveen Murali <[email protected]>
Tested-by: Praveen Murali <[email protected]>
Cc: [email protected]
Signed-off-by: James Bottomley <[email protected]>
Diffstat (limited to 'drivers/scsi/pmcraid.c')
0 files changed, 0 insertions, 0 deletions