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Subject[PATCH 6/9] ide: remove [ata_]select_t
* Use 'drive->dn & 1' in ide_init_disk().

* remove [ata_]select_t.

While at it:

* Use ATA_DEVICE_OBS define in ide_port_init_devices_data().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/h8300/ide-h8300.c | 2 +-
drivers/ide/ide-io.c | 2 +-
drivers/ide/ide-iops.c | 2 +-
drivers/ide/ide-probe.c | 4 ++--
drivers/ide/ide.c | 2 +-
drivers/ide/legacy/ide-4drives.c | 2 +-
drivers/ide/pci/scc_pata.c | 2 +-
include/linux/ide.h | 32 +-------------------------------
8 files changed, 9 insertions(+), 39 deletions(-)
Index: b/drivers/ide/h8300/ide-h8300.c
===================================================================
--- a/drivers/ide/h8300/ide-h8300.c
+++ b/drivers/ide/h8300/ide-h8300.c
@@ -80,7 +80,7 @@ static void h8300_tf_load(ide_drive_t *d
outb(tf->lbah, io_ports->lbah_addr);

if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
- outb((tf->device & HIHI) | drive->select.all,
+ outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
}

Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -495,7 +495,7 @@ static void ide_tf_set_specify_cmd(ide_d
tf->lbal = drive->sect;
tf->lbam = drive->cyl;
tf->lbah = drive->cyl >> 8;
- tf->device = (drive->head - 1) | drive->select.all;
+ tf->device = (drive->head - 1) | drive->select;
tf->command = ATA_CMD_INIT_DEV_PARAMS;
}

Index: b/drivers/ide/ide-iops.c
===================================================================
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -181,7 +181,7 @@ void ide_tf_load(ide_drive_t *drive, ide
tf_outb(tf->lbah, io_ports->lbah_addr);

if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
- tf_outb((tf->device & HIHI) | drive->select.all,
+ tf_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
}
EXPORT_SYMBOL_GPL(ide_tf_load);
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -446,7 +446,7 @@ static int do_probe (ide_drive_t *drive,
SELECT_DRIVE(drive);
msleep(50);

- if (ide_read_device(drive) != drive->select.all && present == 0) {
+ if (ide_read_device(drive) != drive->select && present == 0) {
if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
@@ -1211,7 +1211,7 @@ EXPORT_SYMBOL_GPL(ide_unregister_region)
void ide_init_disk(struct gendisk *disk, ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
- unsigned int unit = (drive->select.all >> 4) & 1;
+ unsigned int unit = drive->dn & 1;

disk->major = hwif->major;
disk->first_minor = unit << PARTN_BITS;
Index: b/drivers/ide/ide.c
===================================================================
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -114,7 +114,7 @@ static void ide_port_init_devices_data(i
memset(drive, 0, sizeof(*drive));

drive->media = ide_disk;
- drive->select.all = (unit<<4)|0xa0;
+ drive->select = (unit << 4) | ATA_DEVICE_OBS;
drive->hwif = hwif;
drive->ready_stat = ATA_DRDY;
drive->bad_wstat = BAD_W_STAT;
Index: b/drivers/ide/legacy/ide-4drives.c
===================================================================
--- a/drivers/ide/legacy/ide-4drives.c
+++ b/drivers/ide/legacy/ide-4drives.c
@@ -14,7 +14,7 @@ MODULE_PARM_DESC(probe, "probe for gener
static void ide_4drives_init_dev(ide_drive_t *drive)
{
if (drive->hwif->channel)
- drive->select.all ^= 0x20;
+ drive->select ^= 0x20;
}

static const struct ide_port_ops ide_4drives_port_ops = {
Index: b/drivers/ide/pci/scc_pata.c
===================================================================
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -705,7 +705,7 @@ static void scc_tf_load(ide_drive_t *dri
scc_ide_outb(tf->lbah, io_ports->lbah_addr);

if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
- scc_ide_outb((tf->device & HIHI) | drive->select.all,
+ scc_ide_outb((tf->device & HIHI) | drive->select,
io_ports->device_addr);
}

Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -279,36 +279,6 @@ typedef union {
} special_t;

/*
- * ATA-IDE Select Register, aka Device-Head
- *
- * head : always zeros here
- * unit : drive select number: 0/1
- * bit5 : always 1
- * lba : using LBA instead of CHS
- * bit7 : always 1
- */
-typedef union {
- unsigned all : 8;
- struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
- unsigned head : 4;
- unsigned unit : 1;
- unsigned bit5 : 1;
- unsigned lba : 1;
- unsigned bit7 : 1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
- unsigned bit7 : 1;
- unsigned lba : 1;
- unsigned bit5 : 1;
- unsigned unit : 1;
- unsigned head : 4;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
- } b;
-} select_t, ata_select_t;
-
-/*
* Status returned from various ide_ functions
*/
typedef enum {
@@ -527,8 +497,8 @@ struct ide_drive_s {
unsigned long timeout; /* max time to wait for irq */

special_t special; /* special action flags */
- select_t select; /* basic drive/head select reg value */

+ u8 select; /* basic drive/head select reg value */
u8 retry_pio; /* retrying dma capable host in pio */
u8 waiting_for_dma; /* dma currently in progress */


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