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authorDavid S. Miller <davem@davemloft.net>2010-03-28 21:58:28 -0400
committerDavid S. Miller <davem@davemloft.net>2010-03-28 21:58:28 -0400
commit9ce41aed0d392246eb788786253f242e829fd5e1 (patch)
tree1d6c9f820becf2fedec4d768bbb4a83dda235b72 /drivers
parente4afb29fa3ea759d408fa537ab6a81800708396e (diff)
Revert "ide: skip probe if there are no devices on the port (v2)"
This reverts commit a20b2a44eca52818ef52a94959480b7e6ea2f528. As requested by David Fries. This makes CDROMs which are slave drives on a ribbon without a master disappear and causes other similar kinds of badness. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/ide-probe.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index fbedd35feb44..4c3d1bfec0c5 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -695,14 +695,8 @@ static int ide_probe_port(ide_hwif_t *hwif)
695 if (irqd) 695 if (irqd)
696 disable_irq(hwif->irq); 696 disable_irq(hwif->irq);
697 697
698 rc = ide_port_wait_ready(hwif); 698 if (ide_port_wait_ready(hwif) == -EBUSY)
699 if (rc == -ENODEV) { 699 printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
700 printk(KERN_INFO "%s: no devices on the port\n", hwif->name);
701 goto out;
702 } else if (rc == -EBUSY)
703 printk(KERN_ERR "%s: not ready before the probe\n", hwif->name);
704 else
705 rc = -ENODEV;
706 700
707 /* 701 /*
708 * Second drive should only exist if first drive was found, 702 * Second drive should only exist if first drive was found,
@@ -713,7 +707,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
713 if (drive->dev_flags & IDE_DFLAG_PRESENT) 707 if (drive->dev_flags & IDE_DFLAG_PRESENT)
714 rc = 0; 708 rc = 0;
715 } 709 }
716out: 710
717 /* 711 /*
718 * Use cached IRQ number. It might be (and is...) changed by probe 712 * Use cached IRQ number. It might be (and is...) changed by probe
719 * code above 713 * code above