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2009-01-06uio: make uio_info's name and version constStephen Rothwell
These are only ever assigned constant strings and never modified. This was noticed because Wolfram Sang needed to cast the result of of_get_property() in order to assign it to the name field of a struct uio_info. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06UIO: Documentation for UIO ioport info handlingHans J. Koch
This patch updates UIO documentation with the changes introduced by previous UIO patch. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06UIO: Pass information about ioports to userspace (V2)Hans J. Koch
Devices sometimes have memory where all or parts of it can not be mapped to userspace. But it might still be possible to access this memory from userspace by other means. An example are PCI cards that advertise not only mappable memory but also ioport ranges. On x86 architectures, these can be accessed with ioperm, iopl, inb, outb, and friends. Mike Frysinger (CCed) reported a similar problem on Blackfin arch where it doesn't seem to be easy to mmap non-cached memory but it can still be accessed from userspace. This patch allows kernel drivers to pass information about such ports to userspace. Similar to the existing mem[] array, it adds a port[] array to struct uio_info. Each port range is described by start, size, and porttype. If a driver fills in at least one such port range, the UIO core will simply pass this information to userspace by creating a new directory "portio" underneath /sys/class/uio/uioN/. Similar to the "mem" directory, it will contain a subdirectory (portX) for each port range given. Note that UIO simply passes this information to userspace, it performs no action whatsoever with this data. It's userspace's responsibility to obtain access to these ports and to solve arch dependent issues. The "porttype" attribute tells userspace what kind of port it is dealing with. This mechanism could also be used to give userspace information about GPIOs related to a device. You frequently find such hardware in embedded devices, so I added a UIO_PORT_GPIO definition. I'm not really sure if this is a good idea since there are other solutions to this problem, but it won't hurt much anyway. Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06UIO: uio_pdrv_genirq: allow custom irq_flagsMike Frysinger
I can't think of a reason why the driver prevents people from setting any custom bits in their platform device, but I can think of some reasons for allowing custom flags. Like setting the IRQF_TRIGGER_... bits. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06UIO: use pci_ioremap_bar() in drivers/uioArjan van de Ven
Use the newly introduced pci_ioremap_bar() function in drivers/uio. pci_ioremap_bar() just takes a pci device and a bar number, with the goal of making it really hard to get wrong, while also having a central place to stick sanity checks. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06arm: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06libata: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06avr: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06block: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06chris: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Jesper Nilsson <jesper.nilsson@axis.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06dmi: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Lennart Poettering <mzxreary@0pointer.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06gadget: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06gpio: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06gpu: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Dave Airlie <airlied@redhat.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06hwmon: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06i2o: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06IA64: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06i7300_idle: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Andy Henroid <andrew.d.henroid@intel.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06infiniband: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Acked-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06ISDN: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Karsten Keil <kkeil@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06pm: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06macintosh: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06memstick: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Alex Dubov <oakad@yahoo.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06mips: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06mtd: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06mwave: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06pnp: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06power-supply: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06serial: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06SGI: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Jack Steiner <steiner@sgi.com> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06spi: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06swiotlb: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06thermal: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06tifm: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06video: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06w1: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06xen: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers
CC: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06s390: remove s390_root_dev_*()Mark McLoughlin
Replace s390_root_dev_register() with root_device_register() etc. [Includes fix from Cornelia Huck] Signed-off-by: Mark McLoughlin <markmc@redhat.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06lguest: do not statically allocate root deviceMark McLoughlin
We shouldn't be statically allocating the root device object, so dynamically allocate it using root_device_register() instead. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06virtio: do not statically allocate root deviceMark McLoughlin
We shouldn't be statically allocating the root device object, so dynamically allocate it using root_device_register() instead. Also avoids this warning from 'rmmod virtio_pci': Device 'virtio-pci' does not have a release() function, it is broken and must be fixed Signed-off-by: Mark McLoughlin <markmc@redhat.com> Cc: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core: add root_device_register()Mark McLoughlin
Add support for allocating root device objects which group device objects under /sys/devices directories. Also add a sysfs 'module' symlink which points to the owner of the root device object. This symlink will be used in virtio to allow userspace to determine which virtio bus implementation a given device is associated with. [Includes suggestions from Cornelia Huck] Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core:fix duplicate removing driver link in __device_release_driverMing Lei
In __device_release_driver(),driver_sysfs_remove() has removed the driver link under device dir in sysfs, but sysfs_remove_link() is called again to do such thing. Remove the duplicate call to sys_remove_link(). Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06Driver core: move the bus notifier call pointsAlan Stern
This patch (as1184) changes the location of the notifications in device_add() and device_del(). Now the BUS_NOTIFY_ADD_DEVICE message is sent after dpm_sysfs_add(), which is necessary for clients that want to add attributes to the power/ subdirectory. The BUS_NOTIFY_DEL_DEVICE message is correspondingly moved before dpm_sysfs_remove(). Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06Make DEBUG take precedence over DYNAMIC_PRINTK_DEBUGCornelia Huck
Statically defined DEBUG should take precedence over dynamically enabled debugging; otherwise adding DEBUG (like, for example, via CONFIG_DEBUG_KOBJECT) does not have the expected result of printing pr_debug() and dev_dbg() messages unconditionally. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Acked-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core: move knode_bus into private structureGreg Kroah-Hartman
Nothing outside of the driver core should ever touch knode_bus, so move it out of the public eye. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core: move knode_driver into private structureGreg Kroah-Hartman
Nothing outside of the driver core should ever touch knode_driver, so move it out of the public eye. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core: move klist_children into private structureGreg Kroah-Hartman
Nothing outside of the driver core should ever touch klist_children, or knode_parent, so move them out of the public eye. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06driver core: create a private portion of struct deviceGreg Kroah-Hartman
This is to be used to move things out of struct device that no code outside of the driver core should ever touch. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06dynamic_printk: reduce one level of indentationWu Fengguang
Cleanup pr_debug_write() to reduce one level of indentation. Cc: Marcel Holtmann <marcel@holtmann.org> Acked-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-06kobject: Make Documentation/kobject.txt a little more coherent.Rusty Russell
While reading Documentation/kobject.txt: Note kobject_rename does perform any locking or have a solid notion of what names are valid so the provide must provide their own sanity checking and serialization. I expect better: You never see me hard with time word making sentence coherent stuff. Ever. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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