modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/Documentation/driver-api/libata.rst
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     int (*qc_issue) (struct ata_queued_cmd *qc);
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-Higher-level hooks, these two hooks can potentially supercede several of
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+Higher-level hooks, these two hooks can potentially supersede several of
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 the above taskfile/DMA engine hooks. ``->qc_prep`` is called after the
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 buffers have been DMA-mapped, and is typically used to populate the
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-hardware's DMA scatter-gather table. Most drivers use the standard
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-:c:func:`ata_qc_prep` helper function, but more advanced drivers roll their
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-own.
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+hardware's DMA scatter-gather table. Some drivers use the standard
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+:c:func:`ata_bmdma_qc_prep` and :c:func:`ata_bmdma_dumb_qc_prep` helper
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+functions, but more advanced drivers roll their own.
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 ``->qc_issue`` is used to make a command active, once the hardware and S/G
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 tables have been prepared. IDE BMDMA drivers use the helper function
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-:c:func:`ata_qc_issue_prot` for taskfile protocol-based dispatch. More
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+:c:func:`ata_sff_qc_issue` for taskfile protocol-based dispatch. More
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 advanced drivers implement their own ``->qc_issue``.
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-:c:func:`ata_qc_issue_prot` calls ``->tf_load()``, ``->bmdma_setup()``, and
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+:c:func:`ata_sff_qc_issue` calls ``->sff_tf_load()``, ``->bmdma_setup()``, and
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 ``->bmdma_start()`` as necessary to initiate a transfer.
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 Exception and probe handling (EH)
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 ==============
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 This chapter describes how errors are handled under libata. Readers are
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-advised to read SCSI EH (Documentation/scsi/scsi_eh.txt) and ATA
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+advised to read SCSI EH (Documentation/scsi/scsi_eh.rst) and ATA
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 exceptions doc first.
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 Origins of commands
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 2. ATA_QCFLAG_ACTIVE is cleared from qc->flags.
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-3. :c:func:`qc->complete_fn` callback is invoked. If the return value of the
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+3. :c:expr:`qc->complete_fn` callback is invoked. If the return value of the
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    callback is not zero. Completion is short circuited and
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    :c:func:`ata_qc_complete` returns.
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