cable_is_40wire man page on Oracle

cable_is_40wire man page on Oracle

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CABLE_IS_40WIRE(9)	     libata Core Internals	    CABLE_IS_40WIRE(9)

NAME
       cable_is_40wire - 40/80/SATA decider

SYNOPSIS
       int cable_is_40wire(struct ata_port * ap);

ARGUMENTS
       ap
	   port to consider

DESCRIPTION
       This function encapsulates the policy for speed management in one
       place. At the moment we don't cache the result but there is a good case
       for setting ap->cbl to the result when we are called with unknown
       cables (and figuring out if it impacts hotplug at all).

       Return 1 if the cable appears to be 40 wire.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014		    CABLE_IS_40WIRE(9)

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