ATA_IS_40WIRE(9) libata Core Internals ATA_IS_40WIRE(9)
NAME ata_is_40wire - check drive side detection
SYNOPSIS int ata_is_40wire(struct ata_device * dev);
ARGUMENTS dev device
DESCRIPTION Perform drive side detection decoding, allowing for device vendors who can´t follow the documentation.
AUTHOR Jeff Garzik Author.
COPYRIGHT Kernel Hackers Manual 2.6. April 2016 ATA_IS_40WIRE(9)