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ata: make qc_prep return ata_completion_errors

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In case a driver wants to return an error from qc_prep, return enum
ata_completion_errors. sata_mv is one of those drivers -- see the next
patch. Other drivers return the newly defined AC_ERR_OK.

[v2] use enum ata_completion_errors and AC_ERR_OK.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jiri Slaby
2019-10-31 10:59:45 +01:00
committed by Jens Axboe
parent 25937580a5
commit 95364f3670
19 changed files with 101 additions and 59 deletions
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2
Documentation/driver-api/libata.rst
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@@ -250,7 +250,7 @@ High-level taskfile hooks
::
void (*qc_prep) (struct ata_queued_cmd *qc);
enum ata_completion_errors (*qc_prep) (struct ata_queued_cmd *qc);
int (*qc_issue) (struct ata_queued_cmd *qc);