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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-12-29 20:27:30 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-12-29 20:27:30 +0100 |
| commit | 44e312310889145b47311a311d3faf2488349116 (patch) | |
| tree | bd4881b0bf875be77a75f57f097584610a78c1bd /drivers/ide/ide.c | |
| parent | ide: IDE settings don't need an ide_lock held (diff) | |
| download | linux-dev-44e312310889145b47311a311d3faf2488349116.tar.xz linux-dev-44e312310889145b47311a311d3faf2488349116.zip | |
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.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 04f8f13cb9d7..bca6877ee6a5 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); |