ide: simplify 'struct ide_taskfile'
Make 'struct ide_taskfile' cover only 8 register values and thus put two such
fields ('tf' and 'hob') into 'struct ide_cmd', dropping unnecessary 'tf_array'
field from it.
This required changing the prototype of ide_get_lba_addr() and ide_tf_dump().
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
[bart: fix setting of ATA_LBA bit for LBA48 commands in __ide_do_rw_disk()]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-io-std.c b/drivers/ide/ide-io-std.c
index 8b0b2e9..45a424b 100644
--- a/drivers/ide/ide-io-std.c
+++ b/drivers/ide/ide-io-std.c
@@ -89,7 +89,7 @@
{
ide_hwif_t *hwif = drive->hwif;
struct ide_io_ports *io_ports = &hwif->io_ports;
- struct ide_taskfile *tf = &cmd->tf;
+ struct ide_taskfile *tf = &cmd->hob;
void (*tf_outb)(u8 addr, unsigned long port);
u8 valid = cmd->valid.out.hob;
u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
@@ -104,16 +104,17 @@
HIHI = 0xFF;
if (valid & IDE_VALID_FEATURE)
- tf_outb(tf->hob_feature, io_ports->feature_addr);
+ tf_outb(tf->feature, io_ports->feature_addr);
if (valid & IDE_VALID_NSECT)
- tf_outb(tf->hob_nsect, io_ports->nsect_addr);
+ tf_outb(tf->nsect, io_ports->nsect_addr);
if (valid & IDE_VALID_LBAL)
- tf_outb(tf->hob_lbal, io_ports->lbal_addr);
+ tf_outb(tf->lbal, io_ports->lbal_addr);
if (valid & IDE_VALID_LBAM)
- tf_outb(tf->hob_lbam, io_ports->lbam_addr);
+ tf_outb(tf->lbam, io_ports->lbam_addr);
if (valid & IDE_VALID_LBAH)
- tf_outb(tf->hob_lbah, io_ports->lbah_addr);
+ tf_outb(tf->lbah, io_ports->lbah_addr);
+ tf = &cmd->tf;
valid = cmd->valid.out.tf;
if (valid & IDE_VALID_FEATURE)
@@ -170,18 +171,19 @@
if (cmd->tf_flags & IDE_TFLAG_LBA48) {
tf_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);
+ tf = &cmd->hob;
valid = cmd->valid.in.hob;
if (valid & IDE_VALID_ERROR)
- tf->hob_error = tf_inb(io_ports->feature_addr);
+ tf->error = tf_inb(io_ports->feature_addr);
if (valid & IDE_VALID_NSECT)
- tf->hob_nsect = tf_inb(io_ports->nsect_addr);
+ tf->nsect = tf_inb(io_ports->nsect_addr);
if (valid & IDE_VALID_LBAL)
- tf->hob_lbal = tf_inb(io_ports->lbal_addr);
+ tf->lbal = tf_inb(io_ports->lbal_addr);
if (valid & IDE_VALID_LBAM)
- tf->hob_lbam = tf_inb(io_ports->lbam_addr);
+ tf->lbam = tf_inb(io_ports->lbam_addr);
if (valid & IDE_VALID_LBAH)
- tf->hob_lbah = tf_inb(io_ports->lbah_addr);
+ tf->lbah = tf_inb(io_ports->lbah_addr);
}
}
EXPORT_SYMBOL_GPL(ide_tf_read);