sata_scr_write_flush(9)

1SATA_SCR_WRITE_FLUSH(9)         libata Library         SATA_SCR_WRITE_FLUSH(9)
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NAME

6       sata_scr_write_flush - write SCR register of the specified port and
7       flush
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10       int sata_scr_write_flush(struct ata_link * link, int reg, u32 val);
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13       link
14           ATA link to write SCR for
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16       reg
17           SCR to write
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19       val
20           value to write
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23       This function is identical to sata_scr_write except that this function
24       performs flush after writing to the register.
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27       None if link is ap->link. Kernel thread context otherwise.
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30       0 on success, negative errno on failure.
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33       Jeff Garzik
34           Author.
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37Kernel Hackers Manual 3.10         June 2019           SATA_SCR_WRITE_FLUSH(9)