sgi-gru: add statistics to the GRU context management functions
[cascardo/linux.git] / drivers / ide / ide-park.c
index c875a95..9490b44 100644 (file)
@@ -60,6 +60,32 @@ out:
        return;
 }
 
+ide_startstop_t ide_do_park_unpark(ide_drive_t *drive, struct request *rq)
+{
+       struct ide_cmd cmd;
+       struct ide_taskfile *tf = &cmd.tf;
+
+       memset(&cmd, 0, sizeof(cmd));
+       if (rq->cmd[0] == REQ_PARK_HEADS) {
+               drive->sleep = *(unsigned long *)rq->special;
+               drive->dev_flags |= IDE_DFLAG_SLEEPING;
+               tf->command = ATA_CMD_IDLEIMMEDIATE;
+               tf->feature = 0x44;
+               tf->lbal = 0x4c;
+               tf->lbam = 0x4e;
+               tf->lbah = 0x55;
+               cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+       } else          /* cmd == REQ_UNPARK_HEADS */
+               tf->command = ATA_CMD_CHK_POWER;
+
+       cmd.tf_flags |= IDE_TFLAG_CUSTOM_HANDLER;
+       cmd.protocol = ATA_PROT_NODATA;
+
+       cmd.rq = rq;
+
+       return do_rw_taskfile(drive, &cmd);
+}
+
 ssize_t ide_park_show(struct device *dev, struct device_attribute *attr,
                      char *buf)
 {