Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[pandora-kernel.git] / drivers / ide / ide-cd.c
index 654d4cd..5969cec 100644 (file)
@@ -372,7 +372,7 @@ static int cdrom_log_sense(ide_drive_t *drive, struct request *rq,
 {
        int log = 0;
 
-       if (!sense || !rq || (rq->flags & REQ_QUIET))
+       if (!sense || !rq || (rq->cmd_flags & REQ_QUIET))
                return 0;
 
        switch (sense->sense_key) {
@@ -597,7 +597,7 @@ static void cdrom_prepare_request(ide_drive_t *drive, struct request *rq)
        struct cdrom_info *cd = drive->driver_data;
 
        ide_init_drive_cmd(rq);
-       rq->flags = REQ_PC;
+       rq->cmd_type = REQ_TYPE_ATA_PC;
        rq->rq_disk = cd->disk;
 }
 
@@ -617,7 +617,7 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense,
        rq->cmd[0] = GPCMD_REQUEST_SENSE;
        rq->cmd[4] = rq->data_len = 18;
 
-       rq->flags = REQ_SENSE;
+       rq->cmd_type = REQ_TYPE_SENSE;
 
        /* NOTE! Save the failed command in "rq->buffer" */
        rq->buffer = (void *) failed_command;
@@ -630,10 +630,10 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate)
        struct request *rq = HWGROUP(drive)->rq;
        int nsectors = rq->hard_cur_sectors;
 
-       if ((rq->flags & REQ_SENSE) && uptodate) {
+       if (blk_sense_request(rq) && uptodate) {
                /*
-                * For REQ_SENSE, "rq->buffer" points to the original failed
-                * request
+                * For REQ_TYPE_SENSE, "rq->buffer" points to the original
+                * failed request
                 */
                struct request *failed = (struct request *) rq->buffer;
                struct cdrom_info *info = drive->driver_data;
@@ -687,8 +687,15 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 sta
 static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 {
        struct request *rq = HWGROUP(drive)->rq;
+       ide_hwif_t *hwif = HWIF(drive);
        int stat, err, sense_key;
        
+       /* We may have bogus DMA interrupts in PIO state here */
+       if (HWIF(drive)->dma_status && hwif->atapi_irq_bogon) {
+               stat = hwif->INB(hwif->dma_status);
+               /* Should we force the bit as well ? */
+               hwif->OUTB(stat, hwif->dma_status);
+       }
        /* Check for errors. */
        stat = HWIF(drive)->INB(IDE_STATUS_REG);
        if (stat_ret)
@@ -706,17 +713,17 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                return 1;
        }
 
-       if (rq->flags & REQ_SENSE) {
+       if (blk_sense_request(rq)) {
                /* We got an error trying to get sense info
                   from the drive (probably while trying
                   to recover from a former error).  Just give up. */
 
-               rq->flags |= REQ_FAILED;
+               rq->cmd_flags |= REQ_FAILED;
                cdrom_end_request(drive, 0);
                ide_error(drive, "request sense failure", stat);
                return 1;
 
-       } else if (rq->flags & (REQ_PC | REQ_BLOCK_PC)) {
+       } else if (blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) {
                /* All other functions, except for READ. */
                unsigned long flags;
 
@@ -724,7 +731,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                 * if we have an error, pass back CHECK_CONDITION as the
                 * scsi status byte
                 */
-               if ((rq->flags & REQ_BLOCK_PC) && !rq->errors)
+               if (blk_pc_request(rq) && !rq->errors)
                        rq->errors = SAM_STAT_CHECK_CONDITION;
 
                /* Check for tray open. */
@@ -735,12 +742,12 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
                        cdrom_saw_media_change (drive);
                        /*printk("%s: media changed\n",drive->name);*/
                        return 0;
-               } else if (!(rq->flags & REQ_QUIET)) {
+               } else if (!(rq->cmd_flags & REQ_QUIET)) {
                        /* Otherwise, print an error. */
                        ide_dump_status(drive, "packet command error", stat);
                }
                
-               rq->flags |= REQ_FAILED;
+               rq->cmd_flags |= REQ_FAILED;
 
                /*
                 * instead of playing games with moving completions around,
@@ -881,7 +888,7 @@ static int cdrom_timer_expiry(ide_drive_t *drive)
                        wait = ATAPI_WAIT_PC;
                        break;
                default:
-                       if (!(rq->flags & REQ_QUIET))
+                       if (!(rq->cmd_flags & REQ_QUIET))
                                printk(KERN_INFO "ide-cd: cmd 0x%x timed out\n", rq->cmd[0]);
                        wait = 0;
                        break;
@@ -1124,7 +1131,7 @@ static ide_startstop_t cdrom_read_intr (ide_drive_t *drive)
                if (rq->current_nr_sectors > 0) {
                        printk (KERN_ERR "%s: cdrom_read_intr: data underrun (%d blocks)\n",
                                drive->name, rq->current_nr_sectors);
-                       rq->flags |= REQ_FAILED;
+                       rq->cmd_flags |= REQ_FAILED;
                        cdrom_end_request(drive, 0);
                } else
                        cdrom_end_request(drive, 1);
@@ -1456,7 +1463,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive)
                        printk ("%s: cdrom_pc_intr: data underrun %d\n",
                                drive->name, pc->buflen);
                        */
-                       rq->flags |= REQ_FAILED;
+                       rq->cmd_flags |= REQ_FAILED;
                        cdrom_end_request(drive, 0);
                }
                return ide_stopped;
@@ -1509,7 +1516,7 @@ static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive)
                rq->data += thislen;
                rq->data_len -= thislen;
 
-               if (rq->flags & REQ_SENSE)
+               if (blk_sense_request(rq))
                        rq->sense_len += thislen;
        } else {
 confused:
@@ -1517,7 +1524,7 @@ confused:
                        "appears confused (ireason = 0x%02x). "
                        "Trying to recover by ending request.\n",
                        drive->name, ireason);
-               rq->flags |= REQ_FAILED;
+               rq->cmd_flags |= REQ_FAILED;
                cdrom_end_request(drive, 0);
                return ide_stopped;
        }
@@ -1546,7 +1553,7 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
        struct cdrom_info *info = drive->driver_data;
 
        info->dma = 0;
-       rq->flags &= ~REQ_FAILED;
+       rq->cmd_flags &= ~REQ_FAILED;
        len = rq->data_len;
 
        /* Start sending the command to the drive. */
@@ -1558,7 +1565,7 @@ static int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq)
 {
        struct request_sense sense;
        int retries = 10;
-       unsigned int flags = rq->flags;
+       unsigned int flags = rq->cmd_flags;
 
        if (rq->sense == NULL)
                rq->sense = &sense;
@@ -1567,14 +1574,14 @@ static int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq)
        do {
                int error;
                unsigned long time = jiffies;
-               rq->flags = flags;
+               rq->cmd_flags = flags;
 
                error = ide_do_drive_cmd(drive, rq, ide_wait);
                time = jiffies - time;
 
                /* FIXME: we should probably abort/retry or something 
                 * in case of failure */
-               if (rq->flags & REQ_FAILED) {
+               if (rq->cmd_flags & REQ_FAILED) {
                        /* The request failed.  Retry if it was due to a unit
                           attention status
                           (usually means media was changed). */
@@ -1596,10 +1603,10 @@ static int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq)
                }
 
                /* End of retry loop. */
-       } while ((rq->flags & REQ_FAILED) && retries >= 0);
+       } while ((rq->cmd_flags & REQ_FAILED) && retries >= 0);
 
        /* Return an error if the command failed. */
-       return (rq->flags & REQ_FAILED) ? -EIO : 0;
+       return (rq->cmd_flags & REQ_FAILED) ? -EIO : 0;
 }
 
 /*
@@ -1963,7 +1970,7 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 {
        struct cdrom_info *info = drive->driver_data;
 
-       rq->flags |= REQ_QUIET;
+       rq->cmd_flags |= REQ_QUIET;
 
        info->dma = 0;
 
@@ -2023,11 +2030,12 @@ ide_do_rw_cdrom (ide_drive_t *drive, struct request *rq, sector_t block)
                }
                info->last_block = block;
                return action;
-       } else if (rq->flags & (REQ_PC | REQ_SENSE)) {
+       } else if (rq->cmd_type == REQ_TYPE_SENSE ||
+                  rq->cmd_type == REQ_TYPE_ATA_PC) {
                return cdrom_do_packet_command(drive);
-       } else if (rq->flags & REQ_BLOCK_PC) {
+       } else if (blk_pc_request(rq)) {
                return cdrom_do_block_pc(drive, rq);
-       } else if (rq->flags & REQ_SPECIAL) {
+       } else if (blk_special_request(rq)) {
                /*
                 * right now this can only be a reset...
                 */
@@ -2105,7 +2113,7 @@ static int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense)
 
        req.sense = sense;
        req.cmd[0] = GPCMD_TEST_UNIT_READY;
-       req.flags |= REQ_QUIET;
+       req.cmd_flags |= REQ_QUIET;
 
 #if ! STANDARD_ATAPI
         /* the Sanyo 3 CD changer uses byte 7 of TEST_UNIT_READY to 
@@ -2207,7 +2215,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
        req.cmd[0] = GPCMD_READ_CDVD_CAPACITY;
        req.data = (char *)&capbuf;
        req.data_len = sizeof(capbuf);
-       req.flags |= REQ_QUIET;
+       req.cmd_flags |= REQ_QUIET;
 
        stat = cdrom_queue_packet_command(drive, &req);
        if (stat == 0) {
@@ -2230,7 +2238,7 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,
        req.sense = sense;
        req.data =  buf;
        req.data_len = buflen;
-       req.flags |= REQ_QUIET;
+       req.cmd_flags |= REQ_QUIET;
        req.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
        req.cmd[6] = trackno;
        req.cmd[7] = (buflen >> 8);
@@ -2531,7 +2539,7 @@ static int ide_cdrom_packet(struct cdrom_device_info *cdi,
        req.timeout = cgc->timeout;
 
        if (cgc->quiet)
-               req.flags |= REQ_QUIET;
+               req.cmd_flags |= REQ_QUIET;
 
        req.sense = cgc->sense;
        cgc->stat = cdrom_queue_packet_command(drive, &req);
@@ -2629,7 +2637,8 @@ int ide_cdrom_reset (struct cdrom_device_info *cdi)
        int ret;
 
        cdrom_prepare_request(drive, &req);
-       req.flags = REQ_SPECIAL | REQ_QUIET;
+       req.cmd_type = REQ_TYPE_SPECIAL;
+       req.cmd_flags = REQ_QUIET;
        ret = ide_do_drive_cmd(drive, &req, ide_wait);
 
        /*
@@ -3116,9 +3125,9 @@ static int ide_cdrom_prep_pc(struct request *rq)
 
 static int ide_cdrom_prep_fn(request_queue_t *q, struct request *rq)
 {
-       if (rq->flags & REQ_CMD)
+       if (blk_fs_request(rq))
                return ide_cdrom_prep_fs(q, rq);
-       else if (rq->flags & REQ_BLOCK_PC)
+       else if (blk_pc_request(rq))
                return ide_cdrom_prep_pc(rq);
 
        return 0;