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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

struct ata_device * dev
Device to adjust xfer masks

unsigned int 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

September 2017 Kernel Hackers Manual 4.12