openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ide-{floppy,tape}: PC_FLAG_DMA_RECOMMENDED -> PC_FLAG_DMA_OK 

* Use PC_FLAG_DMA_OK flag instead of PC_FLAG_DMA_RECOMMENDED one.

* Remove no longer used PC_FLAG_DMA_RECOMMENDED flag.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-07-15 21:21:56 +02:00
parent 1b06e92aa0
commit 5e33109582
3 changed files with 10 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/ide/ide-floppy.c
View File

@ -630,7 +630,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
}
dma = 0;
if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma)
if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma)
dma = !hwif->dma_ops->dma_setup(drive);
ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_DEVICE, bcount, dma);
@ -755,7 +755,7 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
pc->flags |= PC_FLAG_WRITING;
pc->buf = NULL;
pc->req_xfer = pc->buf_size = blocks * floppy->block_size;
pc->flags |= PC_FLAG_DMA_RECOMMENDED;
pc->flags |= PC_FLAG_DMA_OK;
}
static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
@ -769,7 +769,7 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
pc->flags |= PC_FLAG_WRITING;
pc->buf = rq->data;
if (rq->bio)
pc->flags |= PC_FLAG_DMA_RECOMMENDED;
pc->flags |= PC_FLAG_DMA_OK;
/*
* possibly problematic, doesn't look like ide-floppy correctly
* handled scattered requests if dma fails...

6
drivers/ide/ide-tape.c
View File

@ -1050,7 +1050,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
pc->flags &= ~PC_FLAG_DMA_ERROR;
ide_dma_off(drive);
}
if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma)
if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma)
dma_ok = !hwif->dma_ops->dma_setup(drive);
ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_DEVICE, bcount, dma_ok);
@ -1138,7 +1138,7 @@ static void idetape_create_read_cmd(idetape_tape_t *tape,
pc->buf_size = length * tape->blk_size;
pc->req_xfer = pc->buf_size;
if (pc->req_xfer == tape->buffer_size)
pc->flags |= PC_FLAG_DMA_RECOMMENDED;
pc->flags |= PC_FLAG_DMA_OK;
}
static void idetape_create_write_cmd(idetape_tape_t *tape,
@ -1157,7 +1157,7 @@ static void idetape_create_write_cmd(idetape_tape_t *tape,
pc->buf_size = length * tape->blk_size;
pc->req_xfer = pc->buf_size;
if (pc->req_xfer == tape->buffer_size)
pc->flags |= PC_FLAG_DMA_RECOMMENDED;
pc->flags |= PC_FLAG_DMA_OK;
}
static ide_startstop_t idetape_do_request(ide_drive_t *drive,

9
include/linux/ide.h
View File

@ -602,12 +602,11 @@ enum {
PC_FLAG_SUPPRESS_ERROR = (1 << 1),
PC_FLAG_WAIT_FOR_DSC = (1 << 2),
PC_FLAG_DMA_OK = (1 << 3),
PC_FLAG_DMA_RECOMMENDED = (1 << 4),
PC_FLAG_DMA_IN_PROGRESS = (1 << 5),
PC_FLAG_DMA_ERROR = (1 << 6),
PC_FLAG_WRITING = (1 << 7),
PC_FLAG_DMA_IN_PROGRESS = (1 << 4),
PC_FLAG_DMA_ERROR = (1 << 5),
PC_FLAG_WRITING = (1 << 6),
/* command timed out */
PC_FLAG_TIMEDOUT = (1 << 8),
PC_FLAG_TIMEDOUT = (1 << 7),
};
struct ide_atapi_pc {