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path: root/drivers/ide/ide-iops.c
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Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c95
1 files changed, 64 insertions, 31 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 0a2fd3b37ac..b762deb2dac 100644
--- 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_task_t *task)
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);
@@ -647,7 +647,7 @@ u8 eighty_ninty_three (ide_drive_t *drive)
return 1;
no_80w:
- if (drive->udma33_warned == 1)
+ if (drive->dev_flags & IDE_DFLAG_UDMA33_WARNED)
return 0;
printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, "
@@ -655,7 +655,7 @@ no_80w:
drive->name,
hwif->cbl == ATA_CBL_PATA80 ? "drive" : "host");
- drive->udma33_warned = 1;
+ drive->dev_flags |= IDE_DFLAG_UDMA33_WARNED;
return 0;
}
@@ -711,7 +711,7 @@ int ide_driveid_update(ide_drive_t *drive)
kfree(id);
- if (drive->using_dma && ide_id_dma_bug(drive))
+ if ((drive->dev_flags & IDE_DFLAG_USING_DMA) && ide_id_dma_bug(drive))
ide_dma_off(drive);
return 1;
@@ -790,7 +790,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
skip:
#ifdef CONFIG_BLK_DEV_IDEDMA
- if (speed >= XFER_SW_DMA_0 && drive->using_dma)
+ if (speed >= XFER_SW_DMA_0 && (drive->dev_flags & IDE_DFLAG_USING_DMA))
hwif->dma_ops->dma_host_set(drive, 1);
else if (hwif->dma_ops) /* check if host supports DMA */
ide_dma_off_quietly(drive);
@@ -940,6 +940,25 @@ static ide_startstop_t atapi_reset_pollfunc (ide_drive_t *drive)
return ide_stopped;
}
+static void ide_reset_report_error(ide_hwif_t *hwif, u8 err)
+{
+ static const char *err_master_vals[] =
+ { NULL, "passed", "formatter device error",
+ "sector buffer error", "ECC circuitry error",
+ "controlling MPU error" };
+
+ u8 err_master = err & 0x7f;
+
+ printk(KERN_ERR "%s: reset: master: ", hwif->name);
+ if (err_master && err_master < 6)
+ printk(KERN_CONT "%s", err_master_vals[err_master]);
+ else
+ printk(KERN_CONT "error (0x%02x?)", err);
+ if (err & 0x80)
+ printk(KERN_CONT "; slave: failed");
+ printk(KERN_CONT "\n");
+}
+
/*
* reset_pollfunc() gets invoked to poll the interface for completion every 50ms
* during an ide reset operation. If the drives have not yet responded,
@@ -975,31 +994,14 @@ static ide_startstop_t reset_pollfunc (ide_drive_t *drive)
drive->failures++;
err = -EIO;
} else {
- printk("%s: reset: ", hwif->name);
tmp = ide_read_error(drive);
if (tmp == 1) {
- printk("success\n");
+ printk(KERN_INFO "%s: reset: success\n", hwif->name);
drive->failures = 0;
} else {
+ ide_reset_report_error(hwif, tmp);
drive->failures++;
- printk("master: ");
- switch (tmp & 0x7f) {
- case 1: printk("passed");
- break;
- case 2: printk("formatter device error");
- break;
- case 3: printk("sector buffer error");
- break;
- case 4: printk("ECC circuitry error");
- break;
- case 5: printk("controlling MPU error");
- break;
- default:printk("error (0x%02x?)", tmp);
- }
- if (tmp & 0x80)
- printk("; slave: failed");
- printk("\n");
err = -EIO;
}
}
@@ -1016,9 +1018,14 @@ static void ide_disk_pre_reset(ide_drive_t *drive)
drive->special.all = 0;
drive->special.b.set_geometry = legacy;
drive->special.b.recalibrate = legacy;
+
drive->mult_count = 0;
- if (!drive->keep_settings && !drive->using_dma)
+ drive->dev_flags &= ~IDE_DFLAG_PARKED;
+
+ if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0 &&
+ (drive->dev_flags & IDE_DFLAG_USING_DMA) == 0)
drive->mult_req = 0;
+
if (drive->mult_req != drive->mult_count)
drive->special.b.set_multmode = 1;
}
@@ -1030,18 +1037,18 @@ static void pre_reset(ide_drive_t *drive)
if (drive->media == ide_disk)
ide_disk_pre_reset(drive);
else
- drive->post_reset = 1;
+ drive->dev_flags |= IDE_DFLAG_POST_RESET;
- if (drive->using_dma) {
+ if (drive->dev_flags & IDE_DFLAG_USING_DMA) {
if (drive->crc_count)
ide_check_dma_crc(drive);
else
ide_dma_off(drive);
}
- if (!drive->keep_settings) {
- if (!drive->using_dma) {
- drive->unmask = 0;
+ if ((drive->dev_flags & IDE_DFLAG_KEEP_SETTINGS) == 0) {
+ if ((drive->dev_flags & IDE_DFLAG_USING_DMA) == 0) {
+ drive->dev_flags &= ~IDE_DFLAG_UNMASK;
drive->io_32bit = 0;
}
return;
@@ -1073,12 +1080,13 @@ static void pre_reset(ide_drive_t *drive)
static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
{
unsigned int unit;
- unsigned long flags;
+ unsigned long flags, timeout;
ide_hwif_t *hwif;
ide_hwgroup_t *hwgroup;
struct ide_io_ports *io_ports;
const struct ide_tp_ops *tp_ops;
const struct ide_port_ops *port_ops;
+ DEFINE_WAIT(wait);
spin_lock_irqsave(&ide_lock, flags);
hwif = HWIF(drive);
@@ -1105,6 +1113,31 @@ static ide_startstop_t do_reset1 (ide_drive_t *drive, int do_not_try_atapi)
return ide_started;
}
+ /* We must not disturb devices in the IDE_DFLAG_PARKED state. */
+ do {
+ unsigned long now;
+
+ prepare_to_wait(&ide_park_wq, &wait, TASK_UNINTERRUPTIBLE);
+ timeout = jiffies;
+ for (unit = 0; unit < MAX_DRIVES; unit++) {
+ ide_drive_t *tdrive = &hwif->drives[unit];
+
+ if (tdrive->dev_flags & IDE_DFLAG_PRESENT &&
+ tdrive->dev_flags & IDE_DFLAG_PARKED &&
+ time_after(tdrive->sleep, timeout))
+ timeout = tdrive->sleep;
+ }
+
+ now = jiffies;
+ if (time_before_eq(timeout, now))
+ break;
+
+ spin_unlock_irqrestore(&ide_lock, flags);
+ timeout = schedule_timeout_uninterruptible(timeout - now);
+ spin_lock_irqsave(&ide_lock, flags);
+ } while (timeout);
+ finish_wait(&ide_park_wq, &wait);
+
/*
* First, reset any device state data we were maintaining
* for any of the drives on this interface.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 14:16:50 +0000