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authorTejun Heo <tj@kernel.org>2009-04-19 08:46:03 +0900
committerJens Axboe <jens.axboe@oracle.com>2009-04-28 07:37:32 +0200
commit29d1a4371035e01b0d079bc5aa88b50f5af7a566 (patch)
tree4aad5a0868e1929f0ced33ffde34b334760c0522 /drivers/ide/ide-atapi.c
parent4344d07fb8dbf0cbfec1f7d7c1afeccaceaaa120 (diff)
downloadop-kernel-dev-29d1a4371035e01b0d079bc5aa88b50f5af7a566.zip
op-kernel-dev-29d1a4371035e01b0d079bc5aa88b50f5af7a566.tar.gz
ide-atapi: kill unused fields and callbacks
Impact: remove fields and code paths which are no longer necessary Now that ide-tape uses standard mechanisms to transfer data, special case handling for bh handling can be dropped from ide-atapi. Drop the followings. * pc->cur_pos, b_count, bh and b_data * drive->pc_update_buffers() and pc_io_buffers(). Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ide/ide-atapi.c')
-rw-r--r--drivers/ide/ide-atapi.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index b9dd450..afe5a43 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -359,11 +359,8 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
drive->name, rq_data_dir(pc->rq)
? "write" : "read");
pc->flags |= PC_FLAG_DMA_ERROR;
- } else {
+ } else
pc->xferred = pc->req_xfer;
- if (drive->pc_update_buffers)
- drive->pc_update_buffers(drive, pc);
- }
debug_log("%s: DMA finished\n", drive->name);
}
@@ -463,16 +460,11 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive)
return ide_do_reset(drive);
}
- if (drive->media == ide_tape && pc->bh)
- done = drive->pc_io_buffers(drive, pc, bcount, write);
- else {
- done = min_t(unsigned int, bcount, cmd->nleft);
- ide_pio_bytes(drive, cmd, write, done);
- }
+ done = min_t(unsigned int, bcount, cmd->nleft);
+ ide_pio_bytes(drive, cmd, write, done);
- /* Update the current position */
+ /* Update transferred byte count */
pc->xferred += done;
- pc->cur_pos += done;
bcount -= done;
@@ -650,7 +642,6 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd)
/* We haven't transferred any data yet */
pc->xferred = 0;
- pc->cur_pos = pc->buf;
valid_tf = IDE_VALID_DEVICE;
bcount = ((drive->media == ide_tape) ?
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