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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2009-04-08 14:13:01 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-04-08 14:13:01 +0200
commit60f85019c6c8c1aebf3485a313e0da094bc95d07 (patch)
tree5cbb0e1a733b59887308a50ce083613c4e7c0ede /drivers/ide/scc_pata.c
parent674f0ea111bc9bff1b4e4841d7da38933c5e3b59 (diff)
downloadblackbird-op-linux-60f85019c6c8c1aebf3485a313e0da094bc95d07.tar.gz
blackbird-op-linux-60f85019c6c8c1aebf3485a313e0da094bc95d07.zip
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/scc_pata.c')
-rw-r--r--drivers/ide/scc_pata.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 55e48db7d1be..38a715e293d4 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -649,34 +649,37 @@ static void scc_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
struct ide_io_ports *io_ports = &drive->hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;
+ u8 valid = cmd->valid.out.hob;
u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
HIHI = 0xFF;
- if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+ if (valid & IDE_VALID_FEATURE)
scc_ide_outb(tf->hob_feature, io_ports->feature_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+ if (valid & IDE_VALID_NSECT)
scc_ide_outb(tf->hob_nsect, io_ports->nsect_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+ if (valid & IDE_VALID_LBAL)
scc_ide_outb(tf->hob_lbal, io_ports->lbal_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+ if (valid & IDE_VALID_LBAM)
scc_ide_outb(tf->hob_lbam, io_ports->lbam_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+ if (valid & IDE_VALID_LBAH)
scc_ide_outb(tf->hob_lbah, io_ports->lbah_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
+ valid = cmd->valid.out.tf;
+
+ if (valid & IDE_VALID_FEATURE)
scc_ide_outb(tf->feature, io_ports->feature_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
+ if (valid & IDE_VALID_NSECT)
scc_ide_outb(tf->nsect, io_ports->nsect_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
+ if (valid & IDE_VALID_LBAL)
scc_ide_outb(tf->lbal, io_ports->lbal_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
+ if (valid & IDE_VALID_LBAM)
scc_ide_outb(tf->lbam, io_ports->lbam_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
+ if (valid & IDE_VALID_LBAH)
scc_ide_outb(tf->lbah, io_ports->lbah_addr);
- if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
+ if (valid & IDE_VALID_DEVICE)
scc_ide_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
}
@@ -685,35 +688,38 @@ static void scc_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
{
struct ide_io_ports *io_ports = &drive->hwif->io_ports;
struct ide_taskfile *tf = &cmd->tf;
+ u8 valid = cmd->valid.in.tf;
/* be sure we're looking at the low order bits */
scc_ide_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
+ if (valid & IDE_VALID_ERROR)
tf->error = scc_ide_inb(io_ports->feature_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
+ if (valid & IDE_VALID_NSECT)
tf->nsect = scc_ide_inb(io_ports->nsect_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
+ if (valid & IDE_VALID_LBAL)
tf->lbal = scc_ide_inb(io_ports->lbal_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
+ if (valid & IDE_VALID_LBAM)
tf->lbam = scc_ide_inb(io_ports->lbam_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
+ if (valid & IDE_VALID_LBAH)
tf->lbah = scc_ide_inb(io_ports->lbah_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
+ if (valid & IDE_VALID_DEVICE)
tf->device = scc_ide_inb(io_ports->device_addr);
if (cmd->tf_flags & IDE_TFLAG_LBA48) {
scc_ide_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
+ valid = cmd->valid.in.hob;
+
+ if (valid & IDE_VALID_ERROR)
tf->hob_error = scc_ide_inb(io_ports->feature_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+ if (valid & IDE_VALID_NSECT)
tf->hob_nsect = scc_ide_inb(io_ports->nsect_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+ if (valid & IDE_VALID_LBAL)
tf->hob_lbal = scc_ide_inb(io_ports->lbal_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+ if (valid & IDE_VALID_LBAM)
tf->hob_lbam = scc_ide_inb(io_ports->lbam_addr);
- if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+ if (valid & IDE_VALID_LBAH)
tf->hob_lbah = scc_ide_inb(io_ports->lbah_addr);
}
}
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