ide-cd: move cdrom_info.dma to ide_drive_t.dma

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>

2 files changed, 14 insertions, 19 deletions

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 91a6b462d373..3a08a2ba6b17 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -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);
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index 61a4599b77db..5882b9a9ea8b 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -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;