sata_link_debounce man page on Scientific

sata_link_debounce man page on Scientific

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SATA_LINK_DEBOUNCE(9)		libata Library		 SATA_LINK_DEBOUNCE(9)

NAME
       sata_link_debounce - debounce SATA phy status

SYNOPSIS
       int sata_link_debounce(struct ata_link * link,
			      const unsigned long * params,
			      unsigned long deadline);

ARGUMENTS
       link
	   ATA link to debounce SATA phy status for

       params
	   timing parameters { interval, duratinon, timeout } in msec

       deadline
	   deadline jiffies for the operation

DESCRIPTION
       Make sure SStatus of link reaches stable state, determined by holding
       the same value where DET is not 1 for duration polled every interval,
       before timeout. Timeout constraints the beginning of the stable state.
       Because DET gets stuck at 1 on some controllers after hot unplugging,
       this functions waits until timeout then returns 0 if DET is stable at
       1.

       timeout is further limited by deadline. The sooner of the two is used.

LOCKING
       Kernel thread context (may sleep)

RETURNS
       0 on success, -errno on failure.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		 SATA_LINK_DEBOUNCE(9)

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