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path: root/drivers/ide/ide-probe.c
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Diffstat (limited to 'drivers/ide/ide-probe.c')
-rw-r--r--drivers/ide/ide-probe.c58
1 files changed, 27 insertions, 31 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 548864510ba9..c895ed52b2e8 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -260,7 +260,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
* during the identify phase that the IRQ handler isn't expecting.
*/
if (io_ports->ctl_addr)
- tp_ops->set_irq(hwif, 0);
+ tp_ops->write_devctl(hwif, ATA_NIEN | ATA_DEVCTL_OBS);
/* take a deep breath */
msleep(50);
@@ -283,13 +283,11 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
* identify command to be sure of reply
*/
if (cmd == ATA_CMD_ID_ATAPI) {
- struct ide_cmd cmd;
+ struct ide_taskfile tf;
- memset(&cmd, 0, sizeof(cmd));
+ memset(&tf, 0, sizeof(tf));
/* disable DMA & overlap */
- cmd.tf_flags = IDE_TFLAG_OUT_FEATURE;
-
- tp_ops->tf_load(drive, &cmd);
+ tp_ops->tf_load(drive, &tf, IDE_VALID_FEATURE);
}
/* ask drive for ID */
@@ -297,7 +295,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
- if (ide_busy_sleep(hwif, timeout, use_altstatus))
+ if (ide_busy_sleep(drive, timeout, use_altstatus))
return 1;
/* wait for IRQ and ATA_DRQ */
@@ -318,8 +316,9 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
return rc;
}
-int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
+int ide_busy_sleep(ide_drive_t *drive, unsigned long timeout, int altstatus)
{
+ ide_hwif_t *hwif = drive->hwif;
u8 stat;
timeout += jiffies;
@@ -332,19 +331,18 @@ int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
return 0;
} while (time_before(jiffies, timeout));
+ printk(KERN_ERR "%s: timeout in %s\n", drive->name, __func__);
+
return 1; /* drive timed-out */
}
static u8 ide_read_device(ide_drive_t *drive)
{
- struct ide_cmd cmd;
+ struct ide_taskfile tf;
- memset(&cmd, 0, sizeof(cmd));
- cmd.tf_flags = IDE_TFLAG_IN_DEVICE;
+ drive->hwif->tp_ops->tf_read(drive, &tf, IDE_VALID_DEVICE);
- drive->hwif->tp_ops->tf_read(drive, &cmd);
-
- return cmd.tf.device;
+ return tf.device;
}
/**
@@ -390,13 +388,13 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
* (e.g. crw9624 as drive0 with disk as slave)
*/
msleep(50);
- SELECT_DRIVE(drive);
+ tp_ops->dev_select(drive);
msleep(50);
if (ide_read_device(drive) != drive->select && present == 0) {
if (drive->dn & 1) {
/* exit with drive0 selected */
- SELECT_DRIVE(hwif->devices[0]);
+ tp_ops->dev_select(hwif->devices[0]);
/* allow ATA_BUSY to assert & clear */
msleep(50);
}
@@ -422,10 +420,10 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
printk(KERN_ERR "%s: no response (status = 0x%02x), "
"resetting drive\n", drive->name, stat);
msleep(50);
- SELECT_DRIVE(drive);
+ tp_ops->dev_select(drive);
msleep(50);
tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
- (void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
+ (void)ide_busy_sleep(drive, WAIT_WORSTCASE, 0);
rc = ide_dev_read_id(drive, cmd, id);
}
@@ -441,7 +439,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
}
if (drive->dn & 1) {
/* exit with drive0 selected */
- SELECT_DRIVE(hwif->devices[0]);
+ tp_ops->dev_select(hwif->devices[0]);
msleep(50);
/* ensure drive irq is clear */
(void)tp_ops->read_status(hwif);
@@ -605,6 +603,7 @@ out:
static int ide_port_wait_ready(ide_hwif_t *hwif)
{
+ const struct ide_tp_ops *tp_ops = hwif->tp_ops;
ide_drive_t *drive;
int i, rc;
@@ -627,8 +626,8 @@ static int ide_port_wait_ready(ide_hwif_t *hwif)
/* Ignore disks that we will not probe for later. */
if ((drive->dev_flags & IDE_DFLAG_NOPROBE) == 0 ||
(drive->dev_flags & IDE_DFLAG_PRESENT)) {
- SELECT_DRIVE(drive);
- hwif->tp_ops->set_irq(hwif, 1);
+ tp_ops->dev_select(drive);
+ tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
mdelay(2);
rc = ide_wait_not_busy(hwif, 35000);
if (rc)
@@ -640,7 +639,7 @@ static int ide_port_wait_ready(ide_hwif_t *hwif)
out:
/* Exit function with master reselected (let's be sane) */
if (i)
- SELECT_DRIVE(hwif->devices[0]);
+ tp_ops->dev_select(hwif->devices[0]);
return rc;
}
@@ -845,7 +844,7 @@ static int init_irq (ide_hwif_t *hwif)
irq_handler = ide_intr;
if (io_ports->ctl_addr)
- hwif->tp_ops->set_irq(hwif, 1);
+ hwif->tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
if (request_irq(hwif->irq, irq_handler, sa, hwif->name, hwif))
goto out_up;
@@ -942,20 +941,16 @@ EXPORT_SYMBOL_GPL(ide_init_disk);
static void drive_release_dev (struct device *dev)
{
ide_drive_t *drive = container_of(dev, ide_drive_t, gendev);
- ide_hwif_t *hwif = drive->hwif;
ide_proc_unregister_device(drive);
- spin_lock_irq(&hwif->lock);
+ blk_cleanup_queue(drive->queue);
+ drive->queue = NULL;
+
kfree(drive->id);
drive->id = NULL;
+
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
- /* Messed up locking ... */
- spin_unlock_irq(&hwif->lock);
- blk_cleanup_queue(drive->queue);
- spin_lock_irq(&hwif->lock);
- drive->queue = NULL;
- spin_unlock_irq(&hwif->lock);
complete(&drive->gendev_rel_comp);
}
@@ -1317,6 +1312,7 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
host->get_lock = d->get_lock;
host->release_lock = d->release_lock;
host->host_flags = d->host_flags;
+ host->irq_flags = d->irq_flags;
}
return host;