Merge branch 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (34 commits)
  ide-cd: prevent null pointer deref via cdrom_newpc_intr
  ide: BUG() on unknown requests
  ide: filter out invalid DMA xfer mode changes in HDIO_DRIVE_CMD ioctl handler
  ide: do not access ide_drive_t 'drive_data' field directly
  sl82c105: implement test_irq() method
  siimage: implement test_irq() method
  pdc202xx_old: implement test_irq() method (take 2)
  cmd64x: implement test_irq() method
  cmd640: implement test_irq() method
  ide: move ack_intr() method into 'struct ide_port_ops' (take 2)
  ide: move IRQ clearing from ack_intr() method to clear_irq() method (take 2)
  siimage: use ide_dma_test_irq() (take 2)
  cmd64x: implement clear_irq() method (take 2)
  ide: call clear_irq() method in ide_timer_expiry()
  sgiioc4: coding style cleanup
  ide: don't enable IORDY at a probe time
  ide: IORDY handling fixes
  ata: add ata_id_pio_need_iordy() helper (v2)
  ide-tape: fix build issue
  ide: unify interrupt reason checking
  ...

1 files changed, 15 insertions, 2 deletions

diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 79e0af3fd158..51af4eea0d36 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1170,7 +1170,6 @@ static void ide_init_port_hw(ide_hwif_t *hwif, struct ide_hw *hw)
         hwif->irq = hw->irq;
         hwif->dev = hw->dev;
         hwif->gendev.parent = hw->parent ? hw->parent : hw->dev;
-        hwif->ack_intr = hw->ack_intr;
         hwif->config_data = hw->config;
 }
 
@@ -1378,6 +1377,9 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
 
                 ide_init_port(hwif, i & 1, d);
                 ide_port_cable_detect(hwif);
+
+                hwif->port_flags |= IDE_PFLAG_PROBING;
+
                 ide_port_init_devices(hwif);
         }
 
@@ -1388,6 +1390,8 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
                 if (ide_probe_port(hwif) == 0)
                         hwif->present = 1;
 
+                hwif->port_flags &= ~IDE_PFLAG_PROBING;
+
                 if ((hwif->host_flags & IDE_HFLAG_4DRIVES) == 0 ||
                     hwif->mate == NULL || hwif->mate->present == 0) {
                         if (ide_register_port(hwif)) {
@@ -1569,11 +1573,20 @@ EXPORT_SYMBOL_GPL(ide_host_remove);
 
 void ide_port_scan(ide_hwif_t *hwif)
 {
+        int rc;
+
         ide_port_apply_params(hwif);
         ide_port_cable_detect(hwif);
+
+        hwif->port_flags |= IDE_PFLAG_PROBING;
+
         ide_port_init_devices(hwif);
 
-        if (ide_probe_port(hwif) < 0)
+        rc = ide_probe_port(hwif);
+
+        hwif->port_flags &= ~IDE_PFLAG_PROBING;
+
+        if (rc < 0)
                 return;
 
         hwif->present = 1;