diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2007-11-28 15:59:15 -0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-01-24 20:40:35 -0800 |
commit | e5dd12784617f0f1fae5f96a7fac1ec4c49fadbe (patch) | |
tree | c81e2a2f3aa1c60b92951d398774f1391bdc6a1c /drivers/base/dd.c | |
parent | c63469a3985a9771c18a916b8d42845d044ea0b1 (diff) | |
download | lwn-e5dd12784617f0f1fae5f96a7fac1ec4c49fadbe.tar.gz lwn-e5dd12784617f0f1fae5f96a7fac1ec4c49fadbe.zip |
Driver core: move the static kobject out of struct driver
This patch removes the kobject, and a few other driver-core-only fields
out of struct driver and into the driver core only. Now drivers can be
safely create on the stack or statically (like they currently are.)
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/dd.c')
-rw-r--r-- | drivers/base/dd.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 7bf0e674c975..87a348ce818c 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -11,6 +11,8 @@ * * Copyright (c) 2002-5 Patrick Mochel * Copyright (c) 2002-3 Open Source Development Labs + * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de> + * Copyright (c) 2007 Novell Inc. * * This file is released under the GPLv2 */ @@ -23,8 +25,6 @@ #include "base.h" #include "power/power.h" -#define to_drv(node) container_of(node, struct device_driver, kobj.entry) - static void driver_bound(struct device *dev) { @@ -41,20 +41,20 @@ static void driver_bound(struct device *dev) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_BOUND_DRIVER, dev); - klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices); + klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices); } static int driver_sysfs_add(struct device *dev) { int ret; - ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, + ret = sysfs_create_link(&dev->driver->p->kobj, &dev->kobj, kobject_name(&dev->kobj)); if (ret == 0) { - ret = sysfs_create_link(&dev->kobj, &dev->driver->kobj, + ret = sysfs_create_link(&dev->kobj, &dev->driver->p->kobj, "driver"); if (ret) - sysfs_remove_link(&dev->driver->kobj, + sysfs_remove_link(&dev->driver->p->kobj, kobject_name(&dev->kobj)); } return ret; @@ -65,7 +65,7 @@ static void driver_sysfs_remove(struct device *dev) struct device_driver *drv = dev->driver; if (drv) { - sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); + sysfs_remove_link(&drv->p->kobj, kobject_name(&dev->kobj)); sysfs_remove_link(&dev->kobj, "driver"); } } @@ -339,15 +339,15 @@ void driver_detach(struct device_driver * drv) struct device * dev; for (;;) { - spin_lock(&drv->klist_devices.k_lock); - if (list_empty(&drv->klist_devices.k_list)) { - spin_unlock(&drv->klist_devices.k_lock); + spin_lock(&drv->p->klist_devices.k_lock); + if (list_empty(&drv->p->klist_devices.k_list)) { + spin_unlock(&drv->p->klist_devices.k_lock); break; } - dev = list_entry(drv->klist_devices.k_list.prev, + dev = list_entry(drv->p->klist_devices.k_list.prev, struct device, knode_driver.n_node); get_device(dev); - spin_unlock(&drv->klist_devices.k_lock); + spin_unlock(&drv->p->klist_devices.k_lock); if (dev->parent) /* Needed for USB */ down(&dev->parent->sem); |