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ide: move common code out of tf_load() method

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Move device register masking (and setting drive->select) out of tf_load() method
and into the only function that needs to use this code, do_rw_taskfile()...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
[bart: fix whitespace error]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Sergei Shtylyov 2009-04-08 14:13:02 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 745483f10c
commit 4109d19af7
3 changed files with 12 additions and 14 deletions
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8
drivers/ide/ide-io-std.c
View File

@ -93,16 +93,12 @@ void ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
void (*tf_outb)(u8 addr, unsigned long port);
u8 valid = cmd->valid.out.hob;
u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
if (mmio)
tf_outb = ide_mm_outb;
else
tf_outb = ide_outb;
if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
HIHI = 0xFF;
if (valid & IDE_VALID_FEATURE)
tf_outb(tf->feature, io_ports->feature_addr);
if (valid & IDE_VALID_NSECT)
@ -127,10 +123,8 @@ void ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
tf_outb(tf->lbam, io_ports->lbam_addr);
if (valid & IDE_VALID_LBAH)
tf_outb(tf->lbah, io_ports->lbah_addr);
if (valid & IDE_VALID_DEVICE)
tf_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
tf_outb(tf->device, io_ports->device_addr);
}
EXPORT_SYMBOL_GPL(ide_tf_load);

10
drivers/ide/ide-taskfile.c
View File

@ -88,6 +88,16 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
tp_ops->output_data(drive, cmd, data, 2);
}
if (cmd->valid.out.tf & IDE_VALID_DEVICE) {
u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ?
0xE0 : 0xEF;
if (!(cmd->ftf_flags & IDE_FTFLAG_FLAGGED))
cmd->tf.device &= HIHI;
cmd->tf.device |= drive->select;
}
tp_ops->tf_load(drive, cmd);
}

8
drivers/ide/scc_pata.c
View File

@ -650,10 +650,6 @@ 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->hob;
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 (valid & IDE_VALID_FEATURE)
scc_ide_outb(tf->feature, io_ports->feature_addr);
@ -679,10 +675,8 @@ static void scc_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
scc_ide_outb(tf->lbam, io_ports->lbam_addr);
if (valid & IDE_VALID_LBAH)
scc_ide_outb(tf->lbah, io_ports->lbah_addr);
if (valid & IDE_VALID_DEVICE)
scc_ide_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
scc_ide_outb(tf->device, io_ports->device_addr);
}
static void scc_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)