1SATA_LINK_DEBOUNCE(9)           libata Library           SATA_LINK_DEBOUNCE(9)
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NAME

6       sata_link_debounce - debounce SATA phy status
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SYNOPSIS

9       int sata_link_debounce(struct ata_link * link,
10                              const unsigned long * params,
11                              unsigned long deadline);
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ARGUMENTS

14       link
15           ATA link to debounce SATA phy status for
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17       params
18           timing parameters { interval, duratinon, timeout } in msec
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20       deadline
21           deadline jiffies for the operation
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DESCRIPTION

24       Make sure SStatus of link reaches stable state, determined by holding
25       the same value where DET is not 1 for duration polled every interval,
26       before timeout. Timeout constraints the beginning of the stable state.
27       Because DET gets stuck at 1 on some controllers after hot unplugging,
28       this functions waits until timeout then returns 0 if DET is stable at
29       1.
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31       timeout is further limited by deadline. The sooner of the two is used.
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LOCKING

34       Kernel thread context (may sleep)
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RETURNS

37       0 on success, -errno on failure.
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AUTHOR

40       Jeff Garzik
41           Author.
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44Kernel Hackers Manual 3.10         June 2019             SATA_LINK_DEBOUNCE(9)
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