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authorGreg Kroah-Hartman <gregkh@suse.de>2007-04-09 11:52:31 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-04-27 10:57:30 -0700
commit75f1115c9b1a0c24d9025865285870122ec6f811 (patch)
tree37bc6ad7c2e06eefad94041ce20f71600ecd2b94 /drivers/pnp/card.c
parent341487a837c02cbd674d4751061e7d098b0b8e98 (diff)
downloadop-kernel-dev-75f1115c9b1a0c24d9025865285870122ec6f811.zip
op-kernel-dev-75f1115c9b1a0c24d9025865285870122ec6f811.tar.gz
PNP: stop using the subsystem rwsem
The rwsem is not used to protect anything, so the use of it by the PNP subsystem isn't really useful, and it's doubtful if it really did anything or not. So I've removed it. Cc: Adam Belay <ambx1@neo.rr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pnp/card.c')
-rw-r--r--drivers/pnp/card.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c
index 91c047a..dd6384b 100644
--- a/drivers/pnp/card.c
+++ b/drivers/pnp/card.c
@@ -311,7 +311,6 @@ done:
return NULL;
found:
- down_write(&dev->dev.bus->subsys.rwsem);
dev->card_link = clink;
dev->dev.driver = &drv->link.driver;
if (pnp_bus_type.probe(&dev->dev))
@@ -319,14 +318,11 @@ found:
if (device_bind_driver(&dev->dev))
goto err_out;
- up_write(&dev->dev.bus->subsys.rwsem);
-
return dev;
err_out:
dev->dev.driver = NULL;
dev->card_link = NULL;
- up_write(&dev->dev.bus->subsys.rwsem);
return NULL;
}
@@ -340,11 +336,9 @@ void pnp_release_card_device(struct pnp_dev * dev)
struct pnp_card_driver * drv = dev->card_link->driver;
if (!drv)
return;
- down_write(&dev->dev.bus->subsys.rwsem);
drv->link.remove = &card_remove;
device_release_driver(&dev->dev);
drv->link.remove = &card_remove_first;
- up_write(&dev->dev.bus->subsys.rwsem);
}
/*
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