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[libata] Create internal helper ata_dev_set_feature()
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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c9927c2bf4
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@ -68,7 +68,8 @@ const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 };
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static unsigned int ata_dev_init_params(struct ata_device *dev,
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u16 heads, u16 sectors);
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static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
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static unsigned int ata_dev_set_AN(struct ata_device *dev, u8 enable);
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static unsigned int ata_dev_set_feature(struct ata_device *dev,
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u8 enable, u8 feature);
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static void ata_dev_xfermask(struct ata_device *dev);
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static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
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@ -1799,13 +1800,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
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* SET_FEATURES spin-up subcommand before it will accept
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* anything other than the original IDENTIFY command.
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*/
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ata_tf_init(dev, &tf);
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tf.command = ATA_CMD_SET_FEATURES;
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tf.feature = SETFEATURES_SPINUP;
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tf.protocol = ATA_PROT_NODATA;
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tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
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err_mask = ata_exec_internal(dev, &tf, NULL,
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DMA_NONE, NULL, 0, 0);
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err_mask = ata_dev_set_feature(dev, SETFEATURES_SPINUP, 0);
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if (err_mask && id[2] != 0x738c) {
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rc = -EIO;
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reason = "SPINUP failed";
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@ -2075,7 +2070,8 @@ int ata_dev_configure(struct ata_device *dev)
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unsigned int err_mask;
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/* issue SET feature command to turn this on */
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err_mask = ata_dev_set_AN(dev, SETFEATURES_SATA_ENABLE);
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err_mask = ata_dev_set_feature(dev,
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SETFEATURES_SATA_ENABLE, SATA_AN);
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if (err_mask)
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ata_dev_printk(dev, KERN_ERR,
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"failed to enable ATAPI AN "
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@ -4181,15 +4177,14 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
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DPRINTK("EXIT, err_mask=%x\n", err_mask);
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return err_mask;
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}
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/**
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* ata_dev_set_AN - Issue SET FEATURES - SATA FEATURES
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* ata_dev_set_feature - Issue SET FEATURES - SATA FEATURES
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* @dev: Device to which command will be sent
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* @enable: Whether to enable or disable the feature
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* @feature: The sector count represents the feature to set
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*
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* Issue SET FEATURES - SATA FEATURES command to device @dev
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* on port @ap with sector count set to indicate Asynchronous
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* Notification feature
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* on port @ap with sector count
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*
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* LOCKING:
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* PCI/etc. bus probe sem.
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@ -4197,7 +4192,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
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* RETURNS:
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* 0 on success, AC_ERR_* mask otherwise.
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*/
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static unsigned int ata_dev_set_AN(struct ata_device *dev, u8 enable)
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static unsigned int ata_dev_set_feature(struct ata_device *dev, u8 enable,
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u8 feature)
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{
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struct ata_taskfile tf;
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unsigned int err_mask;
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@ -4210,7 +4206,7 @@ static unsigned int ata_dev_set_AN(struct ata_device *dev, u8 enable)
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tf.feature = enable;
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tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
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tf.protocol = ATA_PROT_NODATA;
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tf.nsect = SATA_AN;
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tf.nsect = feature;
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err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0);
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