static void ide_kill_rq(ide_drive_t *drive, struct request *rq)
{
if (rq->rq_disk) {
- ide_driver_t *drv;
+ struct ide_driver *drv;
- drv = *(ide_driver_t **)rq->rq_disk->private_data;
+ drv = *(struct ide_driver **)rq->rq_disk->private_data;
drv->end_request(drive, 0, 0);
} else
ide_end_request(drive, 0, 0);
return ide_stopped;
}
-ide_startstop_t
+static ide_startstop_t
__ide_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
{
if (drive->media == ide_disk)
return ide_atapi_error(drive, rq, stat, err);
}
-EXPORT_SYMBOL_GPL(__ide_error);
-
/**
* ide_error - handle an error on the IDE
* @drive: drive the error occurred on
return ide_stopped;
}
- if (rq->rq_disk) {
- ide_driver_t *drv;
-
- drv = *(ide_driver_t **)rq->rq_disk->private_data;
- return drv->error(drive, rq, stat, err);
- } else
- return __ide_error(drive, rq, stat, err);
+ return __ide_error(drive, rq, stat, err);
}
-
EXPORT_SYMBOL_GPL(ide_error);
static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
struct request *rq)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
ide_task_t *task = rq->special;
if (task) {
#ifdef DEBUG
printk("%s: start_request: current=0x%08lx\n",
- HWIF(drive)->name, (unsigned long) rq);
+ drive->hwif->name, (unsigned long) rq);
#endif
/* bail early if we've exceeded max_failures */
return startstop;
}
if (!drive->special.all) {
- ide_driver_t *drv;
+ struct ide_driver *drv;
/*
* We reset the drive so we need to issue a SETFEATURES.
*/
return ide_special_rq(drive, rq);
- drv = *(ide_driver_t **)rq->rq_disk->private_data;
+ drv = *(struct ide_driver **)rq->rq_disk->private_data;
return drv->do_request(drive, rq, rq->sector);
}
*/
static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
struct request *rq;
ide_startstop_t ret = ide_stopped;
* Either way, we don't really want to complain about anything.
*/
} else {
+ ide_expiry_t *expiry = hwif->expiry;
+ ide_startstop_t startstop = ide_stopped;
+
drive = hwif->cur_dev;
- if (!drive) {
- printk(KERN_ERR "%s: ->cur_dev was NULL\n", __func__);
- hwif->handler = NULL;
- } else {
- ide_expiry_t *expiry = hwif->expiry;
- ide_startstop_t startstop = ide_stopped;
-
- if (expiry) {
- /* continue */
- if ((wait = expiry(drive)) > 0) {
- /* reset timer */
- hwif->timer.expires = jiffies + wait;
- hwif->req_gen_timer = hwif->req_gen;
- add_timer(&hwif->timer);
- spin_unlock_irqrestore(&hwif->lock, flags);
- return;
- }
- }
- hwif->handler = NULL;
- /*
- * We need to simulate a real interrupt when invoking
- * the handler() function, which means we need to
- * globally mask the specific IRQ:
- */
- spin_unlock(&hwif->lock);
- hwif = HWIF(drive);
- /* disable_irq_nosync ?? */
- disable_irq(hwif->irq);
- /* local CPU only,
- * as if we were handling an interrupt */
- local_irq_disable();
- if (hwif->polling) {
- startstop = handler(drive);
- } else if (drive_is_ready(drive)) {
- if (drive->waiting_for_dma)
- hwif->dma_ops->dma_lost_irq(drive);
- (void)ide_ack_intr(hwif);
- printk(KERN_WARNING "%s: lost interrupt\n", drive->name);
- startstop = handler(drive);
- } else {
- if (drive->waiting_for_dma) {
- startstop = ide_dma_timeout_retry(drive, wait);
- } else
- startstop =
- ide_error(drive, "irq timeout",
- hwif->tp_ops->read_status(hwif));
- }
- spin_lock_irq(&hwif->lock);
- enable_irq(hwif->irq);
- if (startstop == ide_stopped) {
- ide_unlock_port(hwif);
- plug_device = 1;
+
+ if (expiry) {
+ wait = expiry(drive);
+ if (wait > 0) { /* continue */
+ /* reset timer */
+ hwif->timer.expires = jiffies + wait;
+ hwif->req_gen_timer = hwif->req_gen;
+ add_timer(&hwif->timer);
+ spin_unlock_irqrestore(&hwif->lock, flags);
+ return;
}
}
+ hwif->handler = NULL;
+ /*
+ * We need to simulate a real interrupt when invoking
+ * the handler() function, which means we need to
+ * globally mask the specific IRQ:
+ */
+ spin_unlock(&hwif->lock);
+ /* disable_irq_nosync ?? */
+ disable_irq(hwif->irq);
+ /* local CPU only, as if we were handling an interrupt */
+ local_irq_disable();
+ if (hwif->polling) {
+ startstop = handler(drive);
+ } else if (drive_is_ready(drive)) {
+ if (drive->waiting_for_dma)
+ hwif->dma_ops->dma_lost_irq(drive);
+ (void)ide_ack_intr(hwif);
+ printk(KERN_WARNING "%s: lost interrupt\n",
+ drive->name);
+ startstop = handler(drive);
+ } else {
+ if (drive->waiting_for_dma)
+ startstop = ide_dma_timeout_retry(drive, wait);
+ else
+ startstop = ide_error(drive, "irq timeout",
+ hwif->tp_ops->read_status(hwif));
+ }
+ spin_lock_irq(&hwif->lock);
+ enable_irq(hwif->irq);
+ if (startstop == ide_stopped) {
+ ide_unlock_port(hwif);
+ plug_device = 1;
+ }
}
spin_unlock_irqrestore(&hwif->lock, flags);
}
drive = hwif->cur_dev;
- if (!drive) {
- /*
- * This should NEVER happen, and there isn't much
- * we could do about it here.
- *
- * [Note - this can occur if the drive is hot unplugged]
- */
- goto out_handled;
- }
if (!drive_is_ready(drive))
/*
* won't allow another of the same (on any CPU) until we return.
*/
if (startstop == ide_stopped) {
- if (hwif->handler == NULL) { /* paranoia */
- ide_unlock_port(hwif);
- plug_device = 1;
- } else
- printk(KERN_ERR "%s: %s: huh? expected NULL handler "
- "on exit\n", __func__, drive->name);
+ BUG_ON(hwif->handler);
+ ide_unlock_port(hwif);
+ plug_device = 1;
}
-out_handled:
irq_ret = IRQ_HANDLED;
out:
spin_unlock_irqrestore(&hwif->lock, flags);
projects / linux-2.6-omap-h63xx.git / blobdiff