diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9478194740e0..864b26009eae 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4324,13 +4324,12 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) } /** - * ata_dev_set_feature - Issue SET FEATURES - SATA FEATURES + * ata_dev_set_feature - Issue SET FEATURES * @dev: Device to which command will be sent - * @enable: Whether to enable or disable the feature - * @feature: The sector count represents the feature to set + * @subcmd: The SET FEATURES subcommand to be sent + * @action: The sector count represents a subcommand specific action * - * Issue SET FEATURES - SATA FEATURES command to device @dev - * on port @ap with sector count + * Issue SET FEATURES command to device @dev on port @ap with sector count * * LOCKING: * PCI/etc. bus probe sem. @@ -4338,23 +4337,23 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) * RETURNS: * 0 on success, AC_ERR_* mask otherwise. */ -unsigned int ata_dev_set_feature(struct ata_device *dev, u8 enable, u8 feature) +unsigned int ata_dev_set_feature(struct ata_device *dev, u8 subcmd, u8 action) { struct ata_taskfile tf; unsigned int err_mask; unsigned int timeout = 0; /* set up set-features taskfile */ - ata_dev_dbg(dev, "set features - SATA features\n"); + ata_dev_dbg(dev, "set features\n"); ata_tf_init(dev, &tf); tf.command = ATA_CMD_SET_FEATURES; - tf.feature = enable; + tf.feature = subcmd; tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf.protocol = ATA_PROT_NODATA; - tf.nsect = feature; + tf.nsect = action; - if (enable == SETFEATURES_SPINUP) + if (subcmd == SETFEATURES_SPINUP) timeout = ata_probe_timeout ? ata_probe_timeout * 1000 : SETFEATURES_SPINUP_TIMEOUT; err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, timeout); |