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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-12-29 20:27:30 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-12-29 20:27:30 +0100
commit44e312310889145b47311a311d3faf2488349116 (patch)
treebd4881b0bf875be77a75f57f097584610a78c1bd /drivers/ide/ide.c
parent1f473e9c92ea458e60494561a2065a358b7239bb (diff)
downloadop-kernel-dev-44e312310889145b47311a311d3faf2488349116.zip
op-kernel-dev-44e312310889145b47311a311d3faf2488349116.tar.gz
ide: __ide_port_unregister_devices() doesn't need an ide_lock held
[ and ide_cfg_mtx mutex provides a sufficient protection for callers ] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 04f8f13..bca6877 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -130,7 +130,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
}
}
-/* Called with ide_lock held. */
static void __ide_port_unregister_devices(ide_hwif_t *hwif)
{
int i;
@@ -139,10 +138,8 @@ static void __ide_port_unregister_devices(ide_hwif_t *hwif)
ide_drive_t *drive = &hwif->drives[i];
if (drive->dev_flags & IDE_DFLAG_PRESENT) {
- spin_unlock_irq(&ide_lock);
device_unregister(&drive->gendev);
wait_for_completion(&drive->gendev_rel_comp);
- spin_lock_irq(&ide_lock);
}
}
}
@@ -150,11 +147,9 @@ static void __ide_port_unregister_devices(ide_hwif_t *hwif)
void ide_port_unregister_devices(ide_hwif_t *hwif)
{
mutex_lock(&ide_cfg_mtx);
- spin_lock_irq(&ide_lock);
__ide_port_unregister_devices(hwif);
hwif->present = 0;
ide_port_init_devices_data(hwif);
- spin_unlock_irq(&ide_lock);
mutex_unlock(&ide_cfg_mtx);
}
EXPORT_SYMBOL_GPL(ide_port_unregister_devices);
@@ -192,12 +187,10 @@ void ide_unregister(ide_hwif_t *hwif)
mutex_lock(&ide_cfg_mtx);
- spin_lock_irq(&ide_lock);
if (hwif->present) {
__ide_port_unregister_devices(hwif);
hwif->present = 0;
}
- spin_unlock_irq(&ide_lock);
ide_proc_unregister_port(hwif);
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