ide-cd: move cdrom_info.dma to ide_drive_t.dma
authorBorislav Petkov <petkovbb@googlemail.com>
Mon, 13 Oct 2008 19:39:49 +0000 (21:39 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Mon, 13 Oct 2008 19:39:49 +0000 (21:39 +0200)
There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/ide-cd.c
drivers/ide/ide-cd.h

index 91a6b462d3730cd9fe49dcffc52780dd26a62e21..3a08a2ba6b178fe4c231cc3950f171026ba14b11 100644 (file)
@@ -562,22 +562,21 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive,
                                                  int xferlen,
                                                  ide_handler_t *handler)
 {
-       struct cdrom_info *info = drive->driver_data;
        ide_hwif_t *hwif = drive->hwif;
 
        ide_debug_log(IDE_DBG_PC, "Call %s, xferlen: %d\n", __func__, xferlen);
 
        /* FIXME: for Virtual DMA we must check harder */
-       if (info->dma)
-               info->dma = !hwif->dma_ops->dma_setup(drive);
+       if (drive->dma)
+               drive->dma = !hwif->dma_ops->dma_setup(drive);
 
        /* set up the controller registers */
        ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL,
-                          xferlen, info->dma);
+                          xferlen, drive->dma);
 
        if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
                /* waiting for CDB interrupt, not DMA yet. */
-               if (info->dma)
+               if (drive->dma)
                        drive->waiting_for_dma = 0;
 
                /* packet command */
@@ -604,7 +603,6 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
 {
        ide_hwif_t *hwif = drive->hwif;
        int cmd_len;
-       struct cdrom_info *info = drive->driver_data;
        ide_startstop_t startstop;
 
        ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__);
@@ -620,7 +618,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
                        return ide_stopped;
 
                /* ok, next interrupt will be DMA interrupt */
-               if (info->dma)
+               if (drive->dma)
                        drive->waiting_for_dma = 1;
        } else {
                /* otherwise, we must wait for DRQ to get set */
@@ -641,7 +639,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
        hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len);
 
        /* start the DMA if need be */
-       if (info->dma)
+       if (drive->dma)
                hwif->dma_ops->dma_start(drive);
 
        return ide_started;
@@ -955,7 +953,6 @@ static int cdrom_newpc_intr_dummy_cb(struct request *rq)
 static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 {
        ide_hwif_t *hwif = drive->hwif;
-       struct cdrom_info *info = drive->driver_data;
        struct request *rq = HWGROUP(drive)->rq;
        xfer_func_t *xferfunc;
        ide_expiry_t *expiry = NULL;
@@ -969,9 +966,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
                      __func__, rq->cmd[0], write);
 
        /* check for errors */
-       dma = info->dma;
+       dma = drive->dma;
        if (dma) {
-               info->dma = 0;
+               drive->dma = 0;
                dma_error = hwif->dma_ops->dma_end(drive);
                if (dma_error) {
                        printk(KERN_ERR PFX "%s: DMA %s error\n", drive->name,
@@ -1204,9 +1201,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
                        cdrom_end_request(drive, 0);
                        return ide_stopped;
                }
-               cd->dma = 0;
+               drive->dma = 0;
        } else
-               cd->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
+               drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
 
        if (write)
                cd->devinfo.media_written = 1;
@@ -1223,7 +1220,6 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
 
 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 {
-       struct cdrom_info *info = drive->driver_data;
 
        ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__,
                      rq->cmd_type);
@@ -1233,7 +1229,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
        else
                rq->cmd_flags &= ~REQ_FAILED;
 
-       info->dma = 0;
+       drive->dma = 0;
 
        /* sg request */
        if (rq->bio || ((rq->cmd_type == REQ_TYPE_ATA_PC) && rq->data_len)) {
@@ -1246,7 +1242,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                else
                        buf = rq->data;
 
-               info->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
+               drive->dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
 
                /*
                 * check if dma is safe
@@ -1257,7 +1253,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                alignment = queue_dma_alignment(q) | q->dma_pad_mask;
                if ((unsigned long)buf & alignment || rq->data_len & alignment
                    || object_is_on_stack(buf))
-                       info->dma = 0;
+                       drive->dma = 0;
        }
 }
 
@@ -1298,7 +1294,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
                        xferlen = 0;
                        fn = cdrom_start_seek_continuation;
 
-                       info->dma = 0;
+                       drive->dma = 0;
                        info->start_seek = jiffies;
 
                        ide_cd_prepare_seek_request(drive, rq);
index 61a4599b77dbf3c37528799118c181960a5f5786..5882b9a9ea8b7becc8108872e996ab9f852af95d 100644 (file)
@@ -88,7 +88,6 @@ struct cdrom_info {
        struct request_sense sense_data;
 
        struct request request_sense_request;
-       int dma;
        unsigned long last_block;
        unsigned long start_seek;