diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:47:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:47:24 -0800 |
| commit | 2152f8536668a957ea3214735b4761e7b22ef7d8 (patch) | |
| tree | 56723fc51445b1bc930c6400d4c00fd6fc831f88 /drivers/base/bus.c | |
| parent | 7cae7e26f245151b9ccad868bf2edf8c8048d307 (diff) | |
| parent | 30afc84cf7325e88fb9746340eba3c161080ff49 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (138 commits)
[SCSI] libata: implement minimal transport template for ->eh_timed_out
[SCSI] eliminate rphy allocation in favour of expander/end device allocation
[SCSI] convert mptsas over to end_device/expander allocations
[SCSI] allow displaying and setting of cache type via sysfs
[SCSI] add scsi_mode_select to scsi_lib.c
[SCSI] 3ware 9000 add big endian support
[SCSI] qla2xxx: update MAINTAINERS
[SCSI] scsi: move target_destroy call
[SCSI] fusion - bump version
[SCSI] fusion - expander hotplug suport in mptsas module
[SCSI] fusion - exposing raid components in mptsas
[SCSI] fusion - memory leak, and initializing fields
[SCSI] fusion - exclosure misspelled
[SCSI] fusion - cleanup mptsas event handling functions
[SCSI] fusion - removing target_id/bus_id from the VirtDevice structure
[SCSI] fusion - static fix's
[SCSI] fusion - move some debug firmware event debug msgs to verbose level
[SCSI] fusion - loginfo header update
[SCSI] add scsi_reprobe_device
[SCSI] megaraid_sas: fix extended timeout handling
...
Diffstat (limited to 'drivers/base/bus.c')
| -rw-r--r-- | drivers/base/bus.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index c3141565d59..48718b7f4fa 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -536,6 +536,28 @@ void bus_rescan_devices(struct bus_type * bus) bus_for_each_dev(bus, NULL, NULL, bus_rescan_devices_helper); } +/** + * device_reprobe - remove driver for a device and probe for a new driver + * @dev: the device to reprobe + * + * This function detaches the attached driver (if any) for the given + * device and restarts the driver probing process. It is intended + * to use if probing criteria changed during a devices lifetime and + * driver attachment should change accordingly. + */ +void device_reprobe(struct device *dev) +{ + if (dev->driver) { + if (dev->parent) /* Needed for USB */ + down(&dev->parent->sem); + device_release_driver(dev); + if (dev->parent) + up(&dev->parent->sem); + } + + bus_rescan_devices_helper(dev, NULL); +} +EXPORT_SYMBOL_GPL(device_reprobe); struct bus_type * get_bus(struct bus_type * bus) { |