1SATA_SCR_WRITE(9) libata Library SATA_SCR_WRITE(9)
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6 sata_scr_write - write SCR register of the specified port
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9 int sata_scr_write(struct ata_link * link, int reg, u32 val);
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12 link
13 ATA link to write SCR for
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15 reg
16 SCR to write
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18 val
19 value to write
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22 Write val to SCR register reg of link. This function is guaranteed to
23 succeed if link is ap->link, the cable type of the port is SATA and the
24 port implements ->scr_read.
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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 2.6. November 2011 SATA_SCR_WRITE(9)