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ata: libata: Remove ata_noop_qc_prep()

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The function ata_noop_qc_prep(), as its name implies, does nothing and
simply returns AC_ERR_OK. For drivers that do not need any special
preparations of queued commands, we can avoid having to define struct
ata_port qc_prep operation by simply testing if that operation is
defined or not in ata_qc_issue(). Make this change and remove
ata_noop_qc_prep().

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
This commit is contained in:
Damien Le Moal
2024-07-30 14:38:07 +09:00
parent 73eb824914
commit b40824500e
8 changed files with 7 additions and 20 deletions
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1
include/linux/libata.h
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@@ -1168,7 +1168,6 @@ extern int ata_xfer_mode2shift(u8 xfer_mode);
extern const char *ata_mode_string(unsigned int xfer_mask);
extern unsigned int ata_id_xfermask(const u16 *id);
extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
extern enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);