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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-31 12:15:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-31 12:15:28 -0700 |
| commit | a9fd74cb5843d8b2e44fb42f792766649ad24bfc (patch) | |
| tree | 6a00601b476e6e8e4c3fbfef2635bc93a0f10ee7 /drivers | |
| parent | 7d531a7e519406c4bb2501a66e3da5ba39280739 (diff) | |
| parent | 657348a056eea4a27be20cf8e22c98a252597447 (diff) | |
| download | op-kernel-dev-a9fd74cb5843d8b2e44fb42f792766649ad24bfc.zip op-kernel-dev-a9fd74cb5843d8b2e44fb42f792766649ad24bfc.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6:
Documentation: ABI: /sys/devices/system/cpu/cpu#/node
Documentation: ABI: /sys/devices/system/cpu/cpuidle/
Documentation: ABI: /sys/devices/system/cpu/sched_[mc|smt]_power_savings
Documentation: ABI: /sys/devices/system/cpu/cpu#/ topology files
Documentation: ABI: /sys/devices/system/cpu/ topology files
Documentation: ABI: document /sys/devices/system/cpu/
Documentation: ABI: rename sysfs-devices-cache_disable properly
Driver core: allow certain drivers prohibit bind/unbind via sysfs
Driver core: fix driver_register() return value
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/bus.c | 17 | ||||
| -rw-r--r-- | drivers/base/driver.c | 2 | ||||
| -rw-r--r-- | drivers/base/platform.c | 6 |
3 files changed, 17 insertions, 8 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 973bf2a..63c143e 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -689,15 +689,19 @@ int bus_add_driver(struct device_driver *drv) printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n", __func__, drv->name); } - error = add_bind_files(drv); - if (error) { - /* Ditto */ - printk(KERN_ERR "%s: add_bind_files(%s) failed\n", - __func__, drv->name); + + if (!drv->suppress_bind_attrs) { + error = add_bind_files(drv); + if (error) { + /* Ditto */ + printk(KERN_ERR "%s: add_bind_files(%s) failed\n", + __func__, drv->name); + } } kobject_uevent(&priv->kobj, KOBJ_ADD); return 0; + out_unregister: kfree(drv->p); drv->p = NULL; @@ -720,7 +724,8 @@ void bus_remove_driver(struct device_driver *drv) if (!drv->bus) return; - remove_bind_files(drv); + if (!drv->suppress_bind_attrs) + remove_bind_files(drv); driver_remove_attrs(drv->bus, drv); driver_remove_file(drv, &driver_attr_uevent); klist_remove(&drv->p->knode_bus); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index ed2ebd3..f367885 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -236,7 +236,7 @@ int driver_register(struct device_driver *drv) put_driver(other); printk(KERN_ERR "Error: Driver '%s' is already registered, " "aborting...\n", drv->name); - return -EEXIST; + return -EBUSY; } ret = bus_add_driver(drv); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index ed156a13..4fa954b 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -521,11 +521,15 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv, { int retval, code; + /* make sure driver won't have bind/unbind attributes */ + drv->driver.suppress_bind_attrs = true; + /* temporary section violation during probe() */ drv->probe = probe; retval = code = platform_driver_register(drv); - /* Fixup that section violation, being paranoid about code scanning + /* + * Fixup that section violation, being paranoid about code scanning * the list of drivers in order to probe new devices. Check to see * if the probe was successful, and make sure any forced probes of * new devices fail. |
