/* read 512 bytes of id info */
hwif->tp_ops->input_data(drive, NULL, id, SECTOR_SIZE);
- drive->id_read = 1;
+ drive->dev_flags |= IDE_DFLAG_ID_READ;
+
local_irq_enable();
#ifdef DEBUG
printk(KERN_INFO "%s: dumping identify data\n", drive->name);
printk(KERN_INFO "%s: %s, ", drive->name, m);
- drive->present = 1;
- drive->dead = 0;
+ drive->dev_flags |= IDE_DFLAG_PRESENT;
+ drive->dev_flags &= ~IDE_DFLAG_DEAD;
/*
* Check for an ATAPI device
printk(KERN_CONT "cdrom or floppy?, assuming ");
if (drive->media != ide_cdrom) {
printk(KERN_CONT "FLOPPY");
- drive->removable = 1;
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
}
}
/* Early cdrom models used zero */
type = ide_cdrom;
case ide_cdrom:
- drive->removable = 1;
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
#ifdef CONFIG_PPC
/* kludge for Apple PowerBook internal zip */
if (!strstr(m, "CD-ROM") && strstr(m, "ZIP")) {
break;
case ide_optical:
printk(KERN_CONT "OPTICAL");
- drive->removable = 1;
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
break;
default:
printk(KERN_CONT "UNKNOWN (type %d)", type);
drive->media = type;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
+ if (ata_id_cdb_intr(id))
+ drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
return;
}
/* CF devices are *not* removable in Linux definition of the term */
if (is_cfa == 0 && (id[ATA_ID_CONFIG] & (1 << 7)))
- drive->removable = 1;
+ drive->dev_flags |= IDE_DFLAG_REMOVABLE;
drive->media = ide_disk;
err_misc:
kfree(id);
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
return;
}
ide_hwif_t *hwif = HWIF(drive);
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
int rc;
- u8 stat;
+ u8 present = !!(drive->dev_flags & IDE_DFLAG_PRESENT), stat;
+
+ /* avoid waiting for inappropriate probes */
+ if (present && drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
+ return 4;
- if (drive->present) {
- /* avoid waiting for inappropriate probes */
- if (drive->media != ide_disk && cmd == ATA_CMD_ID_ATA)
- return 4;
- }
#ifdef DEBUG
printk(KERN_INFO "probing for %s: present=%d, media=%d, probetype=%s\n",
- drive->name, drive->present, drive->media,
+ drive->name, present, drive->media,
(cmd == ATA_CMD_ID_ATA) ? "ATA" : "ATAPI");
#endif
SELECT_DRIVE(drive);
msleep(50);
- if (ide_read_device(drive) != drive->select.all && !drive->present) {
- if (drive->select.b.unit != 0) {
+ if (ide_read_device(drive) != drive->select && present == 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
/* allow ATA_BUSY to assert & clear */
stat = tp_ops->read_status(hwif);
if (OK_STAT(stat, ATA_DRDY, ATA_BUSY) ||
- drive->present || cmd == ATA_CMD_ID_ATAPI) {
+ present || cmd == ATA_CMD_ID_ATAPI) {
/* send cmd and wait */
if ((rc = try_to_identify(drive, cmd))) {
/* failed: try again */
/* not present or maybe ATAPI */
rc = 3;
}
- if (drive->select.b.unit != 0) {
+ if (drive->dn & 1) {
/* exit with drive0 selected */
SELECT_DRIVE(&hwif->drives[0]);
msleep(50);
* and presents things to the user as needed.
*
* Returns: 0 no device was found
- * 1 device was found (note: drive->present might
- * still be 0)
+ * 1 device was found
+ * (note: IDE_DFLAG_PRESENT might still be not set)
*/
static inline u8 probe_for_drive (ide_drive_t *drive)
* Also note that 0 everywhere means "can't do X"
*/
+ drive->dev_flags &= ~IDE_DFLAG_ID_READ;
+
drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL);
- drive->id_read = 0;
- if(drive->id == NULL)
- {
+ if (drive->id == NULL) {
printk(KERN_ERR "ide: out of memory for id data.\n");
return 0;
}
strcpy(m, "UNKNOWN");
/* skip probing? */
- if (!drive->noprobe) {
+ if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0) {
retry:
/* if !(success||timed-out) */
if (do_probe(drive, ATA_CMD_ID_ATA) >= 2)
/* look for ATAPI device */
(void)do_probe(drive, ATA_CMD_ID_ATAPI);
- if (!drive->present)
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
/* drive not found */
return 0;
}
/* identification failed? */
- if (!drive->id_read) {
+ if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
if (drive->media == ide_disk) {
printk(KERN_INFO "%s: non-IDE drive, CHS=%d/%d/%d\n",
drive->name, drive->cyl,
} else {
/* nuke it */
printk(KERN_WARNING "%s: Unknown device on bus refused identification. Ignoring.\n", drive->name);
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
}
}
/* drive was found */
}
- if(!drive->present)
+
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return 0;
+
/* The drive wasn't being helpful. Add generic info only */
- if (drive->id_read == 0) {
+ if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
generic_id(drive);
return 1;
}
ide_disk_init_mult_count(drive);
}
- return drive->present;
+ return !!(drive->dev_flags & IDE_DFLAG_PRESENT);
}
static void hwif_release_dev(struct device *dev)
ide_drive_t *drive = &hwif->drives[unit];
/* Ignore disks that we will not probe for later. */
- if (!drive->noprobe || drive->present) {
+ if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 ||
+ (drive->dev_flags & IDE_DFLAG_PRESENT)) {
SELECT_DRIVE(drive);
hwif->tp_ops->set_irq(hwif, 1);
mdelay(2);
{
ide_drive_t *dev0 = &dev1->hwif->drives[0];
- if ((dev1->dn & 1) == 0 || dev0->present == 0)
+ if ((dev1->dn & 1) == 0 || (dev0->dev_flags & IDE_DFLAG_PRESENT) == 0)
return;
/* If the models don't match they are not the same product */
/* Appears to be an IDE flash adapter with decode bugs */
printk(KERN_WARNING "ide-probe: ignoring undecoded slave\n");
- dev1->present = 0;
+ dev1->dev_flags &= ~IDE_DFLAG_PRESENT;
}
EXPORT_SYMBOL_GPL(ide_undecoded_slave);
BUG_ON(hwif->present);
- if (hwif->drives[0].noprobe && hwif->drives[1].noprobe)
+ if ((hwif->drives[0].dev_flags & IDE_DFLAG_NOPROBE) &&
+ (hwif->drives[1].dev_flags & IDE_DFLAG_NOPROBE))
return -EACCES;
/*
*/
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- drive->dn = (hwif->channel ? 2 : 0) + unit;
+
(void) probe_for_drive(drive);
- if (drive->present)
+ if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
}
for (unit = 0; unit < MAX_DRIVES; unit++) {
ide_drive_t *drive = &hwif->drives[unit];
- if (drive->present && port_ops && port_ops->quirkproc)
- port_ops->quirkproc(drive);
+ if (drive->dev_flags & IDE_DFLAG_PRESENT) {
+ if (port_ops && port_ops->quirkproc)
+ port_ops->quirkproc(drive);
+ }
}
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- if (drive->present) {
+ if (drive->dev_flags & IDE_DFLAG_PRESENT) {
ide_set_max_pio(drive);
- drive->nice1 = 1;
+ drive->dev_flags |= IDE_DFLAG_NICE1;
if (hwif->dma_ops)
ide_set_dma(drive);
for (unit = 0; unit < MAX_DRIVES; ++unit) {
ide_drive_t *drive = &hwif->drives[unit];
- if (hwif->host_flags & IDE_HFLAG_NO_IO_32BIT)
- drive->no_io_32bit = 1;
+ if ((hwif->host_flags & IDE_HFLAG_NO_IO_32BIT) ||
+ drive->id[ATA_ID_DWORD_IO])
+ drive->dev_flags |= IDE_DFLAG_NO_IO_32BIT;
else
- drive->no_io_32bit = drive->id[ATA_ID_DWORD_IO] ? 1 : 0;
+ drive->dev_flags &= ~IDE_DFLAG_NO_IO_32BIT;
}
}
-#if MAX_HWIFS > 1
/*
* save_match() is used to simplify logic in init_irq() below.
*
if (!m || m->irq != hwif->irq) /* don't undo a prior perfect match */
*match = new;
}
-#endif /* MAX_HWIFS > 1 */
/*
* init request queue
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
- if (!drive->present)
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
if (ide_init_queue(drive)) {
mutex_lock(&ide_cfg_mtx);
hwif->hwgroup = NULL;
-#if MAX_HWIFS > 1
+
/*
* Group up with any other hwifs that share our irq(s).
*/
}
}
}
-#endif /* MAX_HWIFS > 1 */
+
/*
* If we are still without a hwgroup, then form a new one
*/
ide_hwif_t *hwif = data;
int unit = *part >> PARTN_BITS;
ide_drive_t *drive = &hwif->drives[unit];
- if (!drive->present)
+
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
return NULL;
if (drive->media == ide_disk)
request_module("ide-disk");
- if (drive->scsi)
+ if (drive->dev_flags & IDE_DFLAG_SCSI)
request_module("ide-scsi");
if (drive->media == ide_cdrom || drive->media == ide_optical)
request_module("ide-cd");
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;
ide_remove_drive_from_hwgroup(drive);
kfree(drive->id);
drive->id = NULL;
- drive->present = 0;
+ drive->dev_flags &= ~IDE_DFLAG_PRESENT;
/* Messed up locking ... */
spin_unlock_irq(&ide_lock);
blk_cleanup_queue(drive->queue);
struct device *dev = &drive->gendev;
int ret;
- if (!drive->present)
+ if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
continue;
snprintf(dev->bus_id, BUS_ID_SIZE, "%u.%u", hwif->index, i);
for (i = 0; i < MAX_DRIVES; i++) {
ide_drive_t *drive = &hwif->drives[i];
+ drive->dn = i + hwif->channel * 2;
+
if (hwif->host_flags & IDE_HFLAG_IO_32BIT)
drive->io_32bit = 1;
if (hwif->host_flags & IDE_HFLAG_UNMASK_IRQS)
- drive->unmask = 1;
+ drive->dev_flags |= IDE_DFLAG_UNMASK;
if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS)
- drive->no_unmask = 1;
+ drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
if (port_ops && port_ops->init_dev)
port_ops->init_dev(drive);
* ports 0x1f0/0x170 (the ide0/ide1 defaults).
*/
mutex_lock(&ide_cfg_mtx);
- if (MAX_HWIFS == 1) {
- if (ide_indexes == 0 && i == 0)
- idx = 1;
+ if (bootable) {
+ if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1)
+ idx = ffz(ide_indexes | i);
} else {
- if (bootable) {
- if ((ide_indexes | i) != (1 << MAX_HWIFS) - 1)
- idx = ffz(ide_indexes | i);
- } else {
- if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1)
- idx = ffz(ide_indexes | 3);
- else if ((ide_indexes & 3) != 3)
- idx = ffz(ide_indexes);
- }
+ if ((ide_indexes | 3) != (1 << MAX_HWIFS) - 1)
+ idx = ffz(ide_indexes | 3);
+ else if ((ide_indexes & 3) != 3)
+ idx = ffz(ide_indexes);
}
if (idx >= 0)
ide_indexes |= (1 << idx);
mutex_unlock(&ide_cfg_mtx);
}
-struct ide_host *ide_host_alloc_all(const struct ide_port_info *d,
- hw_regs_t **hws)
+struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
{
struct ide_host *host;
int i;
if (host == NULL)
return NULL;
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
ide_hwif_t *hwif;
int idx;
return host;
}
-EXPORT_SYMBOL_GPL(ide_host_alloc_all);
-
-struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
-{
- hw_regs_t *hws_all[MAX_HWIFS];
- int i;
-
- for (i = 0; i < MAX_HWIFS; i++)
- hws_all[i] = (i < 4) ? hws[i] : NULL;
-
- return ide_host_alloc_all(d, hws_all);
-}
EXPORT_SYMBOL_GPL(ide_host_alloc);
int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
ide_hwif_t *hwif, *mate = NULL;
int i, j = 0;
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL) {
if (d == NULL) {
mate = NULL;
- continue;
- }
+ } else {
+ if ((i & 1) && mate) {
+ hwif->mate = mate;
+ mate->mate = hwif;
+ }
- if ((i & 1) && mate) {
- hwif->mate = mate;
- mate->mate = hwif;
- }
+ mate = (i & 1) ? NULL : hwif;
- mate = (i & 1) ? NULL : hwif;
+ ide_init_port(hwif, i & 1, d);
+ ide_port_cable_detect(hwif);
+ }
- ide_init_port(hwif, i & 1, d);
- ide_port_cable_detect(hwif);
ide_port_init_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL)
ide_port_tune_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL)
ide_acpi_port_init_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL)
hwif_register_devices(hwif);
}
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL)
ide_hwif_t *hwif;
int i;
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
hwif = host->ports[i];
if (hwif == NULL)
{
int i;
- for (i = 0; i < MAX_HWIFS; i++) {
+ for (i = 0; i < MAX_HOST_PORTS; i++) {
if (host->ports[i])
ide_unregister(host->ports[i]);
}
projects / linux-2.6-omap-h63xx.git / blobdiff