ATA_DOWN_XFERMASK_LI(9)               libata Core Internals               ATA_DOWN_XFERMASK_LI(9)



NAME
       ata_down_xfermask_limit - adjust dev xfer masks downward

SYNOPSIS
       int ata_down_xfermask_limit(struct ata_device * dev, unsigned int sel);

ARGUMENTS
       dev
           Device to adjust xfer masks

       sel
           ATA_DNXFER_* selector

DESCRIPTION
       Adjust xfer masks of dev downward. Note that this function does not apply the change.
       Invoking ata_set_mode afterwards will apply the limit.

       LOCKING: Inherited from caller.

RETURN
       0 on success, negative errno on failure

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   ATA_DOWN_XFERMASK_LI(9)