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| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2009-04-08 14:13:01 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-04-08 14:13:01 +0200 |
| commit | 60f85019c6c8c1aebf3485a313e0da094bc95d07 (patch) | |
| tree | 5cbb0e1a733b59887308a50ce083613c4e7c0ede /drivers/ide/ide-atapi.c | |
| parent | 674f0ea111bc9bff1b4e4841d7da38933c5e3b59 (diff) | |
| download | op-kernel-dev-60f85019c6c8c1aebf3485a313e0da094bc95d07.zip op-kernel-dev-60f85019c6c8c1aebf3485a313e0da094bc95d07.tar.gz | |
ide: replace IDE_TFLAG_* flags by IDE_VALID_*
Replace IDE_TFLAG_{IN|OUT}_* flags meaning to the taskfile register validity on
input/output by the IDE_VALID_* flags and introduce 4 symmetric 8-bit register
validity indicator subfields, 'valid.{input/output}.{tf|hob}', into the 'struct
ide_cmd' instead of using the 'tf_flags' field for that purpose (this field can
then be turned from 32-bit into 8-bit one).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-atapi.c')
| -rw-r--r-- | drivers/ide/ide-atapi.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index 3e43b88..a359323 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -257,8 +257,7 @@ void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason) struct ide_cmd cmd; memset(&cmd, 0, sizeof(cmd)); - cmd.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM | - IDE_TFLAG_IN_NSECT; + cmd.valid.in.tf = IDE_VALID_LBAH | IDE_VALID_LBAM | IDE_VALID_NSECT; drive->hwif->tp_ops->tf_read(drive, &cmd); @@ -439,12 +438,12 @@ static ide_startstop_t ide_pc_intr(ide_drive_t *drive) return ide_started; } -static void ide_init_packet_cmd(struct ide_cmd *cmd, u32 tf_flags, +static void ide_init_packet_cmd(struct ide_cmd *cmd, u8 valid_tf, u16 bcount, u8 dma) { - cmd->protocol = dma ? ATAPI_PROT_DMA : ATAPI_PROT_PIO; - cmd->tf_flags |= IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM | - IDE_TFLAG_OUT_FEATURE | tf_flags; + cmd->protocol = dma ? ATAPI_PROT_DMA : ATAPI_PROT_PIO; + cmd->valid.out.tf = IDE_VALID_LBAH | IDE_VALID_LBAM | + IDE_VALID_FEATURE | valid_tf; cmd->tf.command = ATA_CMD_PACKET; cmd->tf.feature = dma; /* Use PIO/DMA */ cmd->tf.lbam = bcount & 0xff; @@ -456,7 +455,7 @@ static u8 ide_read_ireason(ide_drive_t *drive) struct ide_cmd cmd; memset(&cmd, 0, sizeof(cmd)); - cmd.tf_flags = IDE_TFLAG_IN_NSECT; + cmd.valid.in.tf = IDE_VALID_NSECT; drive->hwif->tp_ops->tf_read(drive, &cmd); @@ -588,12 +587,12 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd) ide_expiry_t *expiry = NULL; struct request *rq = hwif->rq; unsigned int timeout; - u32 tf_flags; u16 bcount; + u8 valid_tf; u8 drq_int = !!(drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT); if (dev_is_idecd(drive)) { - tf_flags = IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL; + valid_tf = IDE_VALID_NSECT | IDE_VALID_LBAL; bcount = ide_cd_get_xferlen(rq); expiry = ide_cd_expiry; timeout = ATAPI_WAIT_PC; @@ -607,7 +606,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd) pc->xferred = 0; pc->cur_pos = pc->buf; - tf_flags = IDE_TFLAG_OUT_DEVICE; + valid_tf = IDE_VALID_DEVICE; bcount = ((drive->media == ide_tape) ? pc->req_xfer : min(pc->req_xfer, 63 * 1024)); @@ -627,7 +626,7 @@ ide_startstop_t ide_issue_pc(ide_drive_t *drive, struct ide_cmd *cmd) : WAIT_TAPE_CMD; } - ide_init_packet_cmd(cmd, tf_flags, bcount, drive->dma); + ide_init_packet_cmd(cmd, valid_tf, bcount, drive->dma); (void)do_rw_taskfile(drive, cmd); |
