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authorKristian Høgsberg <krh@redhat.com>2007-04-17 11:51:57 -0400
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-04-17 21:14:32 +0200
commitdde2b954302d143deee6dbd931ba2aa21413bb0a (patch)
tree783ecd8fffecaae521540ad533c5aeb343778ac0 /drivers/firewire/fw-device.c
parent0fc7d6e4f4c243b49077b29466c9e135e3401938 (diff)
downloadop-kernel-dev-dde2b954302d143deee6dbd931ba2aa21413bb0a.zip
op-kernel-dev-dde2b954302d143deee6dbd931ba2aa21413bb0a.tar.gz
firewire: Don't use subsystem rwsem, it's going away.
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire/fw-device.c')
-rw-r--r--drivers/firewire/fw-device.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c
index 7197657..7503b8d 100644
--- a/drivers/firewire/fw-device.c
+++ b/drivers/firewire/fw-device.c
@@ -550,6 +550,7 @@ static int shutdown_unit(struct device *device, void *data)
return 0;
}
+static DECLARE_RWSEM(idr_rwsem);
static DEFINE_IDR(fw_device_idr);
int fw_cdev_major;
@@ -557,9 +558,9 @@ struct fw_device *fw_device_from_devt(dev_t devt)
{
struct fw_device *device;
- down_read(&fw_bus_type.subsys.rwsem);
+ down_read(&idr_rwsem);
device = idr_find(&fw_device_idr, MINOR(devt));
- up_read(&fw_bus_type.subsys.rwsem);
+ up_read(&idr_rwsem);
return device;
}
@@ -570,9 +571,9 @@ static void fw_device_shutdown(struct work_struct *work)
container_of(work, struct fw_device, work.work);
int minor = MINOR(device->device.devt);
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
idr_remove(&fw_device_idr, minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
fw_device_cdev_remove(device);
device_for_each_child(&device->device, NULL, shutdown_unit);
@@ -621,10 +622,10 @@ static void fw_device_init(struct work_struct *work)
}
err = -ENOMEM;
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
if (idr_pre_get(&fw_device_idr, GFP_KERNEL))
err = idr_get_new(&fw_device_idr, device, &minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
if (err < 0)
goto error;
@@ -670,9 +671,9 @@ static void fw_device_init(struct work_struct *work)
return;
error_with_cdev:
- down_write(&fw_bus_type.subsys.rwsem);
+ down_write(&idr_rwsem);
idr_remove(&fw_device_idr, minor);
- up_write(&fw_bus_type.subsys.rwsem);
+ up_write(&idr_rwsem);
error:
put_device(&device->device);
}
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